Applied Organometallic Chemistry

Cover image for Vol. 31 Issue 2

Early View (Online Version of Record published before inclusion in an issue)

Editor-in-Chief Cornelis J. Elsevier

Impact Factor: 2.452

ISI Journal Citation Reports © Ranking: 2015: 14/46 (Chemistry Inorganic & Nuclear); 19/72 (Chemistry Applied)

Online ISSN: 1099-0739

VIEW

  1. 1 - 100
  2. 101 - 122
  1. FULL PAPERS

    1. SBA-15-supported N-coordinate ruthenium(II) materials bearing sulfonamide-type ligands: Effect of ligand backbones on catalytic transfer hydrogenation of ketones and aldehydes

      Serkan Dayan, Nilgun Kayaci, Nilgun Kalaycioglu Ozpozan and Osman Dayan

      Version of Record online: 20 JAN 2017 | DOI: 10.1002/aoc.3699

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      Ruthenium(II) complexes and supported complexes were prepared from N-arylsulfonylphenylenediamines. They were used as catalysts in transfer hydrogenation of acetophenone derivatives and aromatic aldehydes.

    2. Anchoring of Cu(II)–vanillin Schiff base complex on MCM-41: A highly efficient and recyclable catalyst for synthesis of sulfides and 5-substituted 1H–tetrazoles and oxidation of sulfides to sulfoxides

      Maryam Khanmoradi, Mohsen Nikoorazm and Arash Ghorbani-Choghamarani

      Version of Record online: 20 JAN 2017 | DOI: 10.1002/aoc.3693

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      The cupper (II)-vanillin complex immobilized onto MCM-41 as heterogeneous catalyst was used for the synthesis of symmetrical aryl sulfides, oxidation of sulfides to sulfoxides and synthesis of 5-substituted 1H-tetrazoles with good to excellent yields. Characterization of catalyst was performed by FT-IR, XRD, TGA, SEM, TEM, EDX and AAS techniques.

    3. Synthesis, characterization and catalytic properties of tetrachlorocuprate(II) immobilized on layered double hydroxide

      Mojtaba Amini, Mohammad Nikkhoo and S. Morteza F. Farnia

      Version of Record online: 16 JAN 2017 | DOI: 10.1002/aoc.3710

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      The 1,3-dipolar cycloaddition of a variety terminal alkynes and organic azides in the presence of CuII−immobilized layered double hydroxide was studied.

    4. Oxidation of alkanes and secondary alcohols to ketones with tert-butyl hydroperoxide catalyzed by a water-soluble ruthenium complex under solvent-free conditions

      Yuecheng Zhang, Liyuan Zhao, Hongyu Zhang, Rong Huang and Jiquan Zhao

      Version of Record online: 16 JAN 2017 | DOI: 10.1002/aoc.3709

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      A water soluble ruthenium complex, [C6H5CH2N(CH3)2H]2[Ru(dipic)Cl3], was prepared, which showed good catalytic performance in the oxidation of various alkanes and secondary alcohols with aqueous TBHP as oxidant under solvent-free conditions. The products were easily separated and purified due to the water solubility of the ruthenium complex.

    5. Tin(IV) Schiff base complexes derived from pyridoxal: Synthesis, spectroscopic properties and cytotoxicity

      José M. Galván-Hidalgo, Guillermo M. Chans, Teresa Ramírez-Apan, Antonio Nieto-Camacho, Simón Hernández-Ortega and Elizabeth Gómez

      Version of Record online: 16 JAN 2017 | DOI: 10.1002/aoc.3704

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      A series of monomeric pentacoordinated diorganotin(IV) complexes derived from pyridoxamine dihydrochloride were synthesized using a multicomponent reaction. The preliminary structure–activity relationship is discussed. Their cytotoxic activity and acute toxicity after intraperitoneal administration to mice were evaluated.

    6. Synthesis and investigation of dual pH- and temperature-responsive behaviour of poly[2-(dimethylamino)ethyl methacrylate]-grafted gold nanoparticles

      Maryam Mohammadi, Mehdi Salami-Kalajahi, Hossein Roghani-Mamaqani and Marzieh Golshan

      Version of Record online: 16 JAN 2017 | DOI: 10.1002/aoc.3702

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      The effect of the molecular weight of poly[2-(dimethylamino)ethyl methacrylate] chains attached to hybrid gold nanoparticles on the responsive behaviour has been investigated.

  2. COMMUNICATIONS

    1. Copper oxide supported on magnetic nanoparticles (CuO@γ-Fe2O3): An efficient and magnetically separable nanocatalyst for addition of amines to carbodiimides towards synthesis of substituted guanidines

      Sepideh Abbasi, Dariush Saberi and Akbar Heydari

      Version of Record online: 16 JAN 2017 | DOI: 10.1002/aoc.3695

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      Copper oxide supported on magnetic nanoparticles was employed as an efficient and magnetically separable catalyst for hydroamination of carbodiimides towards the synthesis of guanidines.

  3. FULL PAPERS

    1. You have full text access to this OnlineOpen article
      Novel macrocyclic Schiff base and its complexes having N2O2 group of donor atoms: Synthesis, characterization and anticancer screening

      Ehab M. Zayed, Mohamed A. Zayed, Asmaa M. Fahim and Fatma A. El-Samahy

      Version of Record online: 16 JAN 2017 | DOI: 10.1002/aoc.3694

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      A novel Schiff base and its conformational changes on complexation with various transition metal ions have been studied. The antimicrobial activity of the compounds was studied against Gram-negative and Gram-positive bacteria. Anticancer screening studies were performed using human colorectal cancer (HCT), hepatic cancer (HepG2) and breast cancer (MCF-7) cell lines.

    2. Palladium-catalyzed reductive homocoupling of aryl sulfonates via cleavage of C─O bond at room temperature

      Shuangling Zhong, Mengxin Chen, Ge Liu, Chenggang Sun and Wencong Liu

      Version of Record online: 12 JAN 2017 | DOI: 10.1002/aoc.3705

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      Pd-catalyzed reductive homocoupling of aryl sulfonates has been successfully achieved under mild conditions. This is a new method for the homocoupling reaction of aryl sulfonates via the cleavage of C─O bonds, thus providing an alternative synthesis of symmetric biaryls. The reductive homocoupling reactions are tolerant to many common functional groups, making this newly developed transformation important for complementing Ullmann coupling.

    3. Mn(III)–pentadentate Schiff base complex supported on multi-walled carbon nanotubes as a green, mild and heterogeneous catalyst for the synthesis of tetrahydrobenzo[b]pyrans via tandem Knoevenagel–Michael cyclocondensation reaction

      Jamshid Rakhtshah, Sadegh Salehzadeh, Mohammad Ali Zolfigol and Saeed Baghery

      Version of Record online: 11 JAN 2017 | DOI: 10.1002/aoc.3690

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      The synthesis of Mn(III)–pentadentate Schiff base complex supported on multi-walled carbon nanotubes (MWCNTs) and its efficient and green application as a recyclable heterogeneous catalyst for tandem Knoevenagel–Michael cyclocondensation reactions between malononitrile, aromatic aldehydes and 1,3-diones are reported.

    4. Tri- and diorganotin(IV) derivatives of non-steroidal anti-inflammatory drug sulindac: Characterization, electronic structures (DFT), DNA binding and plasmid cleavage studies

      Ranjana Kumari and Mala Nath

      Version of Record online: 11 JAN 2017 | DOI: 10.1002/aoc.3661

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      Organotin(IV) derivatives of NSAID, Sulindac have been synthesized, and their interaction with DNA studied through UV-visible, fluorescence and circular-dichroism spectroscopy revealed the partial intercalation mode of binding. Plasmid DNA cleavage study indicates the formation of nicked and linear form.

    5. Palladium nanoparticles decorated on reduced graphene oxide: An efficient catalyst for ligand- and copper-free Sonogashira reaction at room temperature

      Abhijit Mahanta, Najrul Hussain, Manash R. Das, Ashim J. Thakur and Utpal Bora

      Version of Record online: 11 JAN 2017 | DOI: 10.1002/aoc.3679

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      An in situ synthesis of Pd nanoparticles decorated on reduced graphene oxide has been developed, which was used as an excellent catalyst for Sonogashira coupling reaction at room temperature under copper-, ligand- and amine-free conditions.

    6. Metallated porphyrin noncovalent interaction with reduced graphene oxide-modified electrode for amperometric detection of environmental pollutant hydrazine

      Subramanian Sakthinathan, Subbiramaniyan Kubendhiran, Shen-Ming Chen, Mani Govindasamy, Fahad M.A. Al-Hemaid, M. Ajmal Ali, P. Tamizhdurai and S. Sivasanker

      Version of Record online: 4 JAN 2017 | DOI: 10.1002/aoc.3703

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      The reduced graphene oxide / platinum (II) tetraphenyl porphyrin nanocomposite (RGO/Pt-TPP) modified GCE was developed for the selective detection of hydrazine. The prepared nanocomposite was characterized by suitable physical and chemical characterization. The RGO/Pt-TPP nanocomposite exhibited a wide linear range from 13 nM to 232 µM and the detection limit (LOD) of 5 nM towards detection of hydrazine. In addition, the practical applicability of the sensor evaluated in different water samples with acceptable recoveries.

    7. Copper nanoparticles supported on polyaniline-functionalized multiwall carbon nanotubes: An efficient and recyclable catalyst for synthesis of unsymmetric sulfides using potassium ethyl xanthogenate in water

      Abdol R. Hajipour, Saeideh Jajarmi and Zahra Khorsandi

      Version of Record online: 4 JAN 2017 | DOI: 10.1002/aoc.3697

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      Polyaniline functionalized multiwall carbon nanotubes supported copper(II) nanoparticles were prepared, characterized and used as catalyst in the synthesis of unsymmetrical sulfides using potassium ethyl xanthogenate as source of sulfur in water. The whole of these reactions gave the desired products in excellent yields. The catalyst is available and air-stable.

    8. Pd and Ni complexes of a novel vinylidene β-diketimine ligand: Their application as catalysts in Heck coupling and alkyne trimerization

      Raghavendra Beesam and Dastagiri Reddy Nareddula

      Version of Record online: 4 JAN 2017 | DOI: 10.1002/aoc.3696

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      Pd and Ni complexes of a novel vinylidene β-diketimine were synthesized and their catalytic activity in Mizoroki–Heck coupling and alkyne trimerization reactions was explored.

    9. Oligomerization of ethylene in the presence of heterogenized complex catalytic systems based on ionic liquid-type substituted zirconium phenolates

      M.J. Khamiyev, A.H. Azizov, A.A. Khanmetov and R.V. Alieva

      Version of Record online: 28 DEC 2016 | DOI: 10.1002/aoc.3692

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      Oligomerization processes of the ethylene carried out in the presence of MC1, MC2, MC3 and MC4 Zr - complexes containing various amino and imino hydrochloride ligands. These complexes show high catalytic activity for obtaining C4 – C12 linear α – olefins and olefinic product can be easily separated from catalyst. The distribution of olefins depend on Zr-complexes, Zr:Al molar ratio, reaction temperature and pressure of ethylene.

    10. Titanium complexes bearing amine bis(phenolate) ligands: Synthesis, structure and catalysis in ring-opening polymerization of lactide

      Baolong Wang, Jianing Zhang, Huanqin Zhao, He Huang, Junpei Zheng, Liying Wang, Junmin Sun, Yongfeng Zhang and Zhenzhu Cao

      Version of Record online: 27 DEC 2016 | DOI: 10.1002/aoc.3688

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      A series of titanium complexes bearing ONNO-type amine bis(phenolate) ligands were synthesized. They efficiently initiated the ring-opening polymerization of lactide. The catalytic activity of the corresponding titanium complexes depends on the structure of the ancillary ligand pattern. A high conversion of monomer of up to 89% could be reached when a large molar ratio of [rac-lactide]0/[Ti]0 = 2570:1 was adopted in the melt.

    11. Synthesis, characterization and biological applications of new copper(II) complexes of aryl hydrazones

      Kiran Tummalapalli, Vasavi C. S., Punnagai Munusami, Madhvesh Pathak and Balamurali M. M.

      Version of Record online: 27 DEC 2016 | DOI: 10.1002/aoc.3680

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      Four new metallo-organic complexes of copper associated with four hydrazone ligands have been synthesized, and their square-planer geometry satisfactorily established. The derivatives have been subjected to DNA binding, antimicrobial activity, molecular docking and DNA cleavage studies. Results obtained indicated their noted worth.

  4. REVIEWS

    1. Carbofunctional sulfur-containing organosilicon compounds

      N.N. Vlasova, M.S. Sorokin and E.N. Oborina

      Version of Record online: 27 DEC 2016 | DOI: 10.1002/aoc.3668

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      This review describes literature data and provides the authors’ own research results concerning organosilicon chemistry, particularly carbofunctional sulfur-containing organosilicon compounds, in the past 14–15 years.

  5. FULL PAPERS

    1. An efficient and recoverable palladium organocatalyst for Suzuki reaction in aqueous media

      Reza Fareghi-Alamdari, Mohsen Golestanzadeh and Omid Bagheri

      Version of Record online: 20 DEC 2016 | DOI: 10.1002/aoc.3698

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      [Pd(II)-TMCPP] as a palladium organocatalyst was synthesized and then used in aqueous media as a heterogeneous organocatalyst in Suzuki reactions.

    2. Nanosilica-anchored Pd(II)-Schiff base complex as efficient heterogeneous catalyst for activation of aryl halides in Suzuki–Miyaura cross-coupling reaction in water

      Nibedita Gogoi, Utpal Bora, Geetika Borah and Pradip K. Gogoi

      Version of Record online: 20 DEC 2016 | DOI: 10.1002/aoc.3686

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      Development of a bio-sourced nanosilica-supported Pd(II)–Schiff base complex is reported, a very efficient system for the synthesis of biaryls/heterobiaryls in aqueous media as well as efficient in the case of chloro-substituted substrates. The catalyst can be reused up to six times.

    3. One-pot synthesis of polysubstituted pyrrolidinones using novel magnetic nanoparticles as an efficient and reusable catalyst

      Ramin Ghorbani-Vaghei, Narges Sarmast and Jafar Mahmoodi

      Version of Record online: 20 DEC 2016 | DOI: 10.1002/aoc.3681

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      A multicomponent green methodology was developed to synthesize 3-pyrrolin-2-ones with using 7-aminonaphthalene-1,3-disulfonic acid (ANDSA)-functionalized magnetic Fe3O4 nanoparticles. High catalytic activity, ease of recovery, use of an external magnetic field and capability to reuse many times without significant loss of its catalytic activity are additional eco-friendly properties of this catalytic system.

    4. Palladium nanoparticles deposited on a graphene–benzimidazole support as an efficient and recyclable catalyst for aqueous-phase Suzuki–Miyaura coupling reaction

      Mosayeb Sarvestani and Roya Azadi

      Version of Record online: 20 DEC 2016 | DOI: 10.1002/aoc.3667

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      Graphene oxide was functionalized with benzimidazole for palladium immobilization. The resultant graphene–benzimidazole-supported Pd composite (G-BI-Pd) was used for the aqueous-phase Suzuki–Miyaura reaction of aryl iodides and bromides with phenylboronic acid under relatively mild conditions.

    5. Synthesis, characterization and cytotoxicity of platinum(II) complexes containing reduced amino acid ester Schiff bases

      Qin-Qin Yan, Zhen Yuan, Guo-Jun Liu, Zheng-Hua Lv, Bin Fu, Jian-Long Du and Li-Jun Li

      Version of Record online: 13 DEC 2016 | DOI: 10.1002/aoc.3689

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      The binding mode of complexes with DNA is of intercalation type from CD spectra, and most complexes exhibited higher cytotoxic activity than cisplatin.

    6. Highly stable magnetically separable copper nanocatalyst as an efficient catalyst for C(sp2)–C(sp) and C(sp2)–C(sp2) cross-coupling reactions

      Hassan Keypour, Masomeh Balali, Razieh Nejat and Mojtaba Bagherzadeh

      Version of Record online: 12 DEC 2016 | DOI: 10.1002/aoc.3691

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      A copper catalyst is explored as an efficient and recyclable catalyst for Sonogashira and Suzuki cross-coupling reactions.

    7. Ionic iron(III) complexes bearing a dialkylbenzimidazolium cation: Efficient catalysts for magnesium-mediated cross-couplings of aryl phosphates with alkyl bromides

      Zhuang Li, Bing Lu, Hongmei Sun, Qi Shen and Yong Zhang

      Version of Record online: 12 DEC 2016 | DOI: 10.1002/aoc.3671

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      A series of ionic iron(III) complexes containing a dialkylbenzimidazolium cation (14) were prepared in high yields. They showed high catalytic activities, particularly complex 4, for magnesium-mediated cross-couplings of aryl phosphates with primary and secondary alkyl bromides with broad substrate scope.

    8. Facile green one-pot synthesis of novel thiazolo[3,2-a]pyrimidine derivatives using Fe3O4@l-arginine and their biological investigation as potent antimicrobial agents

      M. Afradi, N. Foroughifar, H. Pasdar, H. Moghanian and N. Foroughifar

      Version of Record online: 12 DEC 2016 | DOI: 10.1002/aoc.3683

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      The synthesis, characterization and antimicrobial activity of 3,4-dihydropyrimidine-2(1H)-thiones and newly fused thiazolo[3,2-a]pyrimidine derivatives are reported.

    9. Synthesis, characterization and anticancer activity of a series of curcuminoids and their half-sandwich ruthenium(II) complexes

      Peiyuan Li, Wei Su, Xiaolin Lei, Qi Xiao and Shan Huang

      Version of Record online: 8 DEC 2016 | DOI: 10.1002/aoc.3685

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      Seven curcuminoids and their corresponding (η6-p-cymene)RuII(Cur)Cl complexes were synthesized and characterized using X-ray diffraction. The compounds were further evaluated for their in vitro antiproliferative activities against the HepG2 human liver and HeLa human cervical cancer cell lines and HEK-293 T noncancerous cell line.

    10. Iron(III) diacetylmonoxime-2-hydrazinopyridine complex: A new prospective antitumor drug

      Entsar A. Saad, Mohamed M. Hassanien and Enas A. Elneely

      Version of Record online: 8 DEC 2016 | DOI: 10.1002/aoc.3684

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      Effect of Fe(III) diacetylmonoxime-2-hydrazinopyridine complex on median survival time (MST) and percentage increase in life span (%ILS) in Ehrlich ascites carcinoma (EAC)-bearing mice. Results are presented as mean ± standard deviation (n = 6). Group A, vehicle control; Group B, EAC; Group C, EAC + cisplatin; Group D, EAC + 0.62 mg kg−1 Fe(III) complex; Group E, EAC + 0.82 mg kg−1 Fe(III) complex; Group F, EAC + 1.23 mg kg−1 Fe(III) complex; Group G, EAC + 2.47 mg kg−1 Fe(III) complex.

    11. In situ generation of highly active bis(N-heterocyclic)carbene palladium as an efficient catalyst in direct S-arylation of methylphenyl sulfoxide and the Heck reaction: Ligand steric effects in product selectivity

      Mojtaba Bagherzadeh, Narges-alsadat Mousavi and Sirous Jamali

      Version of Record online: 7 DEC 2016 | DOI: 10.1002/aoc.3677

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      The use of NHCs ligands with different alkyl wingtip groups is an effective method for the Pdcatalysed direct S-arylation of methylphenyl sulfoxide and C–C coupling of aryl halides with alkenes. By using bulkier bidentate NHCs ligands, more cis products in Heck coupling reactions can be achieved.

    12. Zinc cation supported on carrageenan magnetic nanoparticles: A novel, green and efficient catalytic system for one-pot three-component synthesis of quinoline derivatives

      Fariba Keshavarzipour and Hossein Tavakol

      Version of Record online: 7 DEC 2016 | DOI: 10.1002/aoc.3682

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      A green and efficient catalytic system consisting of zinc cation supported on λ-carrageenan/Fe3O4 magnetic nanoparticles was applied in the synthesis of quinolines. The method has many advantages such as mild reaction conditions, easy work-up, use of a reusable magnetic catalyst and high yields of products.

  6. REVIEWS ARTICLES

    1. Recent advances in the synthesis, biological activities and various applications of ferrocene derivatives

      Fayaz Ali Larik, Aamer Saeed, Tanzeela Abdul Fattah, Urooj Muqadar and Pervaiz Ali Channar

      Version of Record online: 7 DEC 2016 | DOI: 10.1002/aoc.3664

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      Ferrocene nucleus possess immense importance in the medicinal chemistry and material chemistry. Ferrocene derivatives play pivotal role in drug designing and bear extensive applications as sensors. Apart from significance in medicinal and material chemistry field, these widely applied as chiral catalyst in the synthesis of organic molecules and polymers. we have reviewed the methods of synthesis of ferocene derivative and comprehensively detailed the recent applications of ferrocene derivatives in the medicinal and material chemistry field.

  7. FULL PAPERS

    1. Preparation and characterization of multi-walled carbon nanotubes decorated with silver nanoparticles through ultraviolet irradiation reduction

      Shuyun Chen, Yizhe Wei, Liming Zou, Hongwei Lu, Yongjing Xu, Jianbing Hua, Hong Sun, Xianyang Peng and Bo Liu

      Version of Record online: 7 DEC 2016 | DOI: 10.1002/aoc.3666

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      In order to extend the application of carbon nanotubes, we adopted UV irradiation as a facile, green and efficient reduction approach to prepare multi-walled carbon nanotubes (MWNTs) decorated with silver nanoparticles (MWNT-Ag), and investigated their dispersion ability.

    2. A mixed-ligand copper(II) complex that inhibits growth and induces apoptosis by DNA targeting in human epithelial cervical cancer cells

      Zhong-Ying Ma, Zheng Qiao, Dong-Bo Wang, Xuan Hou, Xin Qiao, Cheng-Zhi Xie, Zhao-Yan Qiang and Jing-Yuan Xu

      Version of Record online: 7 DEC 2016 | DOI: 10.1002/aoc.3651

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      The novel mixed-ligand copper(II) complex [Cu(L)(phen)]⋅MeOH (L = 4-chloro-2-[(2-hydroxyphenyl)iminomethyl]phenol) targeted DNA and displayed strong DNA cleavage activity, as well as cytotoxicity towards HeLa cells via an oxidative DNA damage pathway.

    3. Vanadium(III) complexes containing phenoxy–imine–thiophene ligands: Synthesis, characterization and application to homo- and copolymerization of ethylene

      Nayara T. do Prado, Ronny R. Ribeiro and Osvaldo L. Casagrande Jr

      Version of Record online: 2 DEC 2016 | DOI: 10.1002/aoc.3678

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      A new set of vanadium(III) complexes supported by phenoxy–imine–thiophene ligands have been synthesized and characterized. Upon activation with MAO, these vanadium precatalysts proved to be active in polymerization of ethylene and copolymerization of ethylene and 1-hexene.

    4. CuI heterogenized on thiosemicarbazide modified-multi walled carbon nanotubes (thiosemicarbazide-MWCNTs-CuI): Novel heterogeneous and reusable nanocatalyst in the C-N Ullmann coupling reactions

      Hojat Veisi, Yalda Metghalchi, Malak Hekmati and Shiva Samadzadeh

      Version of Record online: 1 DEC 2016 | DOI: 10.1002/aoc.3676

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      Thiosemicarbazide was successfully bonded on the surface of MWCNTs to subsequent coordination by CuI as a novel nanocatalyst in the N-arylation of amines Ullmann-type coupling reactions.

    5. Antioxidant, DNA interaction, molecular docking and cytotoxicity studies of aminoethylpiperazine-containing macrocyclic binuclear copper(II) complexes

      C. Karthick, K. Karthikeyan, Purna Sai Korrapati and A. Kalilur Rahiman

      Version of Record online: 28 NOV 2016 | DOI: 10.1002/aoc.3669

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      Five new macrocyclic copper(II) complexes containing N-(2-aminoethyl)piperazine have been synthesized. DNA binding studies with CT DNA suggests groove mode of binding. Docking simulation was performed with 1BNA and VEGFR kinase, which indicates predominant van der Waals interactions. Single strand scission is observed in DNA cleavage process with the involvement of reactive oxygen species. In vitro cytotoxicity studies imply the apoptotic cell death.

    6. Oxidative esterification of methylarenes and 1,3-dicarbonyls catalysed by copper chloride immobilized on magnetic nanoparticles

      Athar Nakisa, Meghdad Karimi, Elahe Yazdani and Akbar Heydari

      Version of Record online: 25 NOV 2016 | DOI: 10.1002/aoc.3674

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      Methylarenes are used as simple, inexpensive and available precursors for the synthesis of enolesters. Supported metal by ionic liquid are designed as an efficient, inexpensive, recoverable easy handeled heterogeneous catalyst. TBHP is applied as a green and temperate oxidant.

    7. Effect of addition of iron on morphology and catalytic activity of PdCu nanoalloy thin film as catalyst in Sonogashira coupling reaction

      S. Jafar Hoseini, Nahal Aramesh and Mehrangiz Bahrami

      Version of Record online: 25 NOV 2016 | DOI: 10.1002/aoc.3675

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      The effect of addition of iron on the morphology, size and catalytic activity of PdCu/RGO nanoparticles was investigated for the Sonogashira reaction in micelle media.

    8. Investigation of catalytic properties of two new orthopalladated complexes supported on montmorillonite: Synthesis, characterization and application in aerobic oxidation of alcohols

      Kazem Karami, Sara Hashemi and Mohammad Dinari

      Version of Record online: 25 NOV 2016 | DOI: 10.1002/aoc.3672

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      Two new orthopalladated complexes have been synthesized and characterized. Montmorillonite was used as a solid support to produce heterogeneous catalysts. Catalyst 1 with the electron donating group on the L1 ligand showed better efficiency for oxidation of benzyl alcohol in comparison with catalyst 2, so we used catalyst 1 for the aerobic oxidation of substrates to corresponding aldehydes or ketones without over oxidation (with and without bubbling of air). This catalytic system showed high activity toward alcohols in mild conditions.

    9. S-Benzylisothiourea complex of palladium on magnetic nanoparticles: A highly efficient and reusable nanocatalyst for synthesis of polyhydroquinolines and Suzuki reaction

      Arash Ghorbani-Choghamarani, Bahman Tahmasbi and Zahra Moradi

      Version of Record online: 24 NOV 2016 | DOI: 10.1002/aoc.3665

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      S-Benzylisothiourea-palladium@Fe3O4 prepared and its structure characterized by different techniques such as FT-IR, TGA, SEM, VSM and ICP. Pd-SBTU@Fe3O4 has been applied as efficient catalyst for the synthesis of biphenyls and polyhydroquinolines.

    10. Dose-, time-and lipophilicity-dependent silver(I)–N-heterocyclic carbene complexes: Synthesis, characterization and interaction with plasmid and Aedes albopictus DNA

      Patrick O. Asekunowo, Rosenani A. Haque, Mohd.R. Razali, Silas W. Avicor and Mustafa F.F. Wajidi

      Version of Record online: 20 NOV 2016 | DOI: 10.1002/aoc.3655

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      A new series of mononuclear Ag(I)–NHC complexes of benzimidazolium salts were synthesized. These compounds were examined for their potential anti-dengue activity via nucleic acid interaction and were found to have considerable intrinsic binding constants. DNA binding assay showed that complex 5 can strongly interact with DNA and has a better DNA binding ability than the other complexes. The DNase activities of the compounds revealed a time- and concentration-dependent activity pattern.

    11. Hydrogen-transfer reduction of α,β-unsaturated carbonyl compounds catalyzed by naphthyridine-functionalized N-heterocyclic carbene complexes

      Hsiao-Ching Huang, Mani Ramanathan, Yi-Hong Liu, Shie-Ming Peng and Shiuh-Tzung Liu

      Version of Record online: 17 NOV 2016 | DOI: 10.1002/aoc.3673

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      The palladium complex resulting from the coordination of [Pd(CH3CN)2Cl2] with 2-chloro-7-(mesitylimidazolylidenylmethyl)naphthyridine has proved to be a good catalyst for hydrogen-transfer reduction of α,β-unsaturated carbonyl compounds leading to the corresponding saturated carbonyl compounds.

    12. Copper(I) iodide supported on modified cellulose-based nano-magnetite composite as a biodegradable catalyst for the synthesis of 1,2,3-triazoles

      Samaneh Sabaqian, Firouzeh Nemati, Majid M. Heravi and Hossein Taherpour Nahzomi

      Version of Record online: 17 NOV 2016 | DOI: 10.1002/aoc.3660

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      A novel and well characterized nano-Fe3O4@Cellulose-NH2-CuI magnetic composite was prepared and a quantitative description for metal–ligand interactions in the nano-Fe3O4@Cellulose-NH2-CuI composite was assessed via quantum chemistry computations. It used for the regioselective synthesis of 1,4-disubstituted 1,2,3-triazoles in water in high yields and short reaction time.

    13. MnO2/graphene oxide: A highly efficient catalyst for imine synthesis from alcohols and amines

      Shengxian Cheng, Xiaoxia Ma, Yongke Hu and Bindong Li

      Version of Record online: 17 NOV 2016 | DOI: 10.1002/aoc.3659

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      MnO2/GO was prepared and first used as a highly efficient heterogeneous catalyst for the coupling reaction of alcohols and amines with oxygen as terminal oxidant.

    14. Direct oxidative esterification of toluene with 1,3-dicarbonyl compounds catalysed by copper complex supported on magnetic nanoparticles

      Kobra Azizi, Naghmeh Esfandiary, Meghdad Karimi, Maryam Kazemi and Akbar Heydari

      Version of Record online: 17 NOV 2016 | DOI: 10.1002/aoc.3658

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      C─O bond formation and direct C─H functionalization were realized using oxidative esterification of toluene with 1,3-dicarbonyl derivatives.

    15. Transfer hydrogenation of ketones catalysed by half-sandwich (η6-p-cymene) ruthenium(II) complexes incorporating benzoylhydrazone ligands

      Nanjan Mohan and Rengan Ramesh

      Version of Record online: 17 NOV 2016 | DOI: 10.1002/aoc.3648

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      Half sandwich (η6-p-cymene) Ru(II) complexes bearing benzoylhydrazone ligands were synthesized. Molecular structure and geometry are confirmed by the X-ray crystallographic analysis. Complexes were developed as efficient catalyst for transfer hydrogenation of ketones with excellent conversions under 0.1 mol% catalyst loading.

    16. Magnetically separable CoFe2O4/CoxFey/activated carbon composites for Cd(II) removal from wastewater

      Jingcai Xu, Bo Hong, Hongxiao Jin, Dingfeng Jin, Xiaoling Peng and Xinqing Wang

      Version of Record online: 10 NOV 2016 | DOI: 10.1002/aoc.3662

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      CoFe2O4 and CoxFey were anchored into activated carbon (AC) to synthesize magnetically separable CoFe2O4/CoxFey/AC composites by the sol–gel method for Cd(II) adsorption from wastewater. The effects of solution pH, temperature and initial Cd(II) concentration on Cd(II) adsorption of AC and CoFe2O4/CoxFey/AC were investigated. The standard free energy, enthalpy change and entropy change were evaluated.

    17. A route to magnetically separable nanocatalysts: Combined experimental and theoretical investigation of alkyl substituent role in ligand backbone towards epoxidation ability

      Tanmay Chattopadhyay, Aratrika Chakraborty, Sanchari Dasgupta, Arnab Dutta, M. Isabel Menéndez and Ennio Zangrando

      Version of Record online: 10 NOV 2016 | DOI: 10.1002/aoc.3663

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      Schiff base complexes were synthesized and characterized and then attached to Fe3O4 nanoparticles to make magnetically separable nanocatalysts which were characterized and used as efficient asymmetric catalysts for epoxidation of alkenes. They exhibited outstanding recyclability for several consecutive reaction runs.

    18. Novel dinuclear and trinuclear ruthenium clusters derived from 2-aryl-substituted indenylphosphines via C─H bond cleavage

      Tong Meng, Jia Yuan, Zhi-Jun Han, Xue Luo, Qing-Guo Wu, Sheng-Hua Liu, Jian Chen and Guang-Ao Yu

      Version of Record online: 10 NOV 2016 | DOI: 10.1002/aoc.3670

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      Treatment of Ru3(CO)12 with (2-phenyl-1H-inden-3-yl)dicyclohexylphosphine and (2-pyridyl-1H-inden-1-yl)dicyclohexylphosphine gave trinuclear ruthenium clusters (μ3125–2-phenyl-3-Cy2PC9H4)Ru3(CO)8 (1c) and [μ21–2-(pyridin-2-yl)-3-Cy2PC9H6]Ru3(CO)9, respectively. (2-Mesityl-1H-inden-3-yl)dicyclohexylphosphine reacted with Ru3(CO)12 to give trinuclear ruthenium cluster [μ-2-mesityl-(3-Cy2PC9H5)](μ2-CO)Ru3(CO)9. 2-(Anthracen-9-yl)-1H–inden-3-yldicyclohexylphosphine reacted with Ru3(CO)12 to give dinuclear ruthenium cluster [μ233–2-(anthracen-9-yl)-3-Cy2PC9H6]Ru2(CO)5. They were fully characterized by spectroscopic and elemental analyses and single-crystal X-ray diffraction. Notably, 1c contains an unprecedented η125 coordination mode of the indenyl ligand.

    19. Magnetically water-dispersible and recoverable rhodium organometallic catalyst derived from Wilkinson's catalyst for promoting organic reactions

      Razieh Nejat and Alireza Mahjoub

      Version of Record online: 10 NOV 2016 | DOI: 10.1002/aoc.3657

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      Magnetic (thio)diphenylphosphine-supported rhodium catalyst has been developed as a highly active and stable nanocatalyst for Suzuki–Miyaura and Miyaura–Michael reactions in aqueous phase.

    20. Catalytic synthesis of cyclic carbonates from epoxides and carbon dioxide by magnetic UiO-66 under mild conditions

      Mahbube Delavari, Farnaz Zadehahmadi, Shahram Tangestaninejad, Majid Moghadam, Valiollah Mirkhani, Iraj Mohammadpoor-Baltork and Reihaneh Kardanpour

      Version of Record online: 8 NOV 2016 | DOI: 10.1002/aoc.3656

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      Highly efficient coupling of carbon dioxide with epoxides under mild conditions catalysed by a magnetic metal–organic framework (UiO-66@Fe3O4@SiO2) is reported.

    21. Chemical vapour deposition of platinum films on electrodes for pacemakers: Novel precursors and their thermal properties

      Svetlana I. Dorovskikh, Galina I. Zharkova, Asiya E. Turgambaeva, Vladislav V. Krisyuk and Natalia B. Morozova

      Version of Record online: 7 NOV 2016 | DOI: 10.1002/aoc.3654

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      The thermal properties of a series of (CH3)3Pt(R1COCHCOR2)Py complexes were investigated to demonstrate their suitability as MOCVD precursors. Using (CH3)3Pt(CH3COCHCOCH3)Py as precursor, Pt films were deposited on various substrates in the presence of H2/O2. The Pt films having fractal-like morphology and the highest capacity values were deposited on the components of pacemakers in the presence of O2.

    22. The first oxalamide-bridged ferrocene: Facile synthesis, preliminary conformational analysis and biological evaluation

      Veronika Kovač, Kristina Radošević, Anica Bebek, Janja Makarević, Zoran Štefanić, Lidija Barišić, Mladen Žinić and Vladimir Rapić

      Version of Record online: 7 NOV 2016 | DOI: 10.1002/aoc.3653

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      In vitro screening of a novel oxalamide-bridged ferrocene revealed the most pronounced proliferative effect for normal HEK293T cells, whilst the cytotoxic activity was the highest for tumour HeLa cells.

    23. 4-Hydroxy-3-carboxycoumarin as an efficient building block for new ruthenium(II) complexes: synthesis, characterization, antibacterial, antioxidant and anti-inflammatory activities

      Abdullah Sulaiman Al-Ayed

      Version of Record online: 7 NOV 2016 | DOI: 10.1002/aoc.3605

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      A new 4-Hydroxy-3-carboxycoumarin ligand and their ruthenuim(II) complexes have been synthesized, characterized and screened for their in vitro antibacterial activity against a range of Gram-positive and Gram-negative bacteria. The new complexes have been characterized by using spectroscopic methods, FT-IR, 1H, 13C NMR spectroscopy in addition to elemental analysis.

    24. Solvent-assisted formation of ruthenium(II)/copper(I) complexes containing thiourea derivatives: Synthesis, crystal structure, density functional theory, enzyme mimetics and in vitro biological perspectives

      Paranthaman Vijayan, Periasamy Viswanathamurthi, Paramasivam Sugumar, Mondikalipudur Nanjappagounder Ponnuswamy, Jan Grzegorz Malecki, Krishnaswamy Velmurugan, Raju Nandhakumar, Manickam Dakshinamoorthi Balakumaran and Pudupalayam Thangavelu Kalaichelvan

      Version of Record online: 3 NOV 2016 | DOI: 10.1002/aoc.3652

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      We report the solvent-assisted formation of ruthenium(II)/copper(I) complexes containing thiourea derivatives together with density functional theory, enzyme kinetico-catalytic and in vitro biological aapects such as DNA/bovine serum albumin affinities and anticancer properties.

    25. Synthesis and characterization of binary and ternary oxovanadium complexes of N,N′-(2-pyridyl)thiourea and curcumin: Catalytic oxidation potential, antibacterial, antimicrobial, antioxidant and DNA interaction studies

      Mohamed Shaker S. Adam, Magdy M. Youssef, Maha F. Aboelghar, Aly M. Hafez and Usama El-Ayaan

      Version of Record online: 27 OCT 2016 | DOI: 10.1002/aoc.3650

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      Synthesis and characterization of two binary and two ternary mono-oxovanadium (IV) complexes of acetylacetonate, curcumin and N,N′-bis(2-pyridyl)thiourea are studied. Their catalytic potentials in the oxidation of 1-octene by an aqueous H2O2 afforded high conversion with low chemoselecticvity. They exhibit high antibacterial and antimicrobial activities. The antioxidant activity and DNA affinity of VO-complexes and their ligands have been investigated.

    26. In situ generation of palladium nanoparticles using agro waste and their use as catalyst for copper-, amine- and ligand-free Sonogashira reaction

      Anindita Dewan, Manashi Sarmah, Utpal Bora and Ashim J. Thakur

      Version of Record online: 27 OCT 2016 | DOI: 10.1002/aoc.3646

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      The use of water extract of waste papaya bark ash for the in situ generation of palladium nanoparticles and as an efficient and environmentally friendly basic medium for the Sonogashira reaction at room temperature is reported.

    27. First report of the direct supporting of palladium–arginine complex on boehmite nanoparticles and application in the synthesis of 5-substituted tetrazoles

      Bahman Tahmasbi and Arash Ghorbani-Choghamarani

      Version of Record online: 27 OCT 2016 | DOI: 10.1002/aoc.3644

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      Boehmite nanoparticles were prepared by inexpensive procedure and further immobilized with a new type of palladium arginine complex as organometallic nanocatalyst. After characterization of this catalyst, its application has been studied in synthesis of 5-substituted 1H-tetrazole derivatives in PEG-400 as green solvent.

    28. Synthesis and characterization of bromine source supported on magnetic Fe3O4 nanoparticles: A new, versatile and efficient magnetically separable catalyst for organic synthesis

      Lotfi Shiri, Arash Ghorbani-Choghamarani and Mosstafa Kazemi

      Version of Record online: 27 OCT 2016 | DOI: 10.1002/aoc.3634

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      A bromine source supported on Fe3O4 magnetic nanoparticles was shown to be a versatile, highly efficient and reusable catalyst for the Knoevenagel condensation and synthesis of 2,3-dihydroquinazolin-4(1H)-one and polyhydroquinoline derivatives.

    29. Spectroscopic and X-ray structural characterization of new polymeric organotin(IV) carboxylates and their in vitro antifungal activities: Part II

      C.S. Rocha, B.P. de Morais, B.L. Rodrigues, C.L. Donnici, G.M. de Lima, J.D. Ardisson, J.A. Takahashi and R.S. Bitzer

      Version of Record online: 26 OCT 2016 | DOI: 10.1002/aoc.3645

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      Three new polymeric orgnanotin carboxylates, [R3Sn(OPhb)]n (OPhb = 4-phenylbutyrate; R = Me (1), Bu (2) or Ph (3)), have been prepared and characterized. The crystallographic structures of 1 and 3 have been determined. The antifungal activity has been investigated. Complex 3 displayed the best activity towards the investigated fungus, in comparison to 1, 2, and to the control drugs in some cases.

    30. Green synthesis and characterization of spherical copper nanoparticles as organometallic antibacterial agent

      Amir Homayoun Keihan, Hamed Veisi and Hojat Veasi

      Version of Record online: 20 OCT 2016 | DOI: 10.1002/aoc.3642

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      Biosynthesis of copper nanoparticles has been achieved using green tea extract as a reducing, capping and stabilizing agent. In a study of antibacterial activity, the nanoparticles showed better inhibitory activity against Gram-positive bacteria compared to Gram-negative bacteria.

    31. Structural studies and quantum chemical calculations of Cr(III), Fe(III) and Ru(III) bromazepam complexes

      Ahmed M. Mansour and Ola R. Shehab

      Version of Record online: 20 OCT 2016 | DOI: 10.1002/aoc.3635

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      Structures of Cr(III), Fe(III) and Ru(III) complexes of the anti-anxiety drug bromazepam (BZM) have been experimentally and theoretically studied. The susceptibility of Staphylococcus aureus and Escherichia coli towards BZM and its complexes has been evaluated. Low-spin octahedral geometry is suggested for the Fe(III) and Ru(III) complexes. The three BZM molecules are non-isoenergetically coordinated to the metal ions and this is reflected in the values of the second-order interaction energy.

    32. Magnetically recoverable copper nanorods and their catalytic activity in Ullmann cross-coupling reaction

      Maryam Rajabzadeh, Hossein Eshghi, Reza Khalifeh and Mehdi Bakavoli

      Version of Record online: 20 OCT 2016 | DOI: 10.1002/aoc.3647

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      Supported Cu nanorods as a reusable catalyst were prepared and characterized. The catalyst was used in an efficient and mild method for the N-arylation of N-heterocyclic compounds.

    33. Highly efficient and green oxidation of alkanes and alkylaromatics with hydrogen peroxide catalysed by silver and vanadyl on mesoporous silica-coated magnetite

      Seyed Hadi Nouri and Hassan Hosseini-Monfared

      Version of Record online: 20 OCT 2016 | DOI: 10.1002/aoc.3649

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      A new vanadyl- and silver-containing mesoporous silica-coated Fe3O4 nanocomposite was synthesized, which catalysed efficiently the oxidation of hydrocarbons with hydrogen peroxide.

    34. Methionine-functionalized chitosan–Pd(0) complex: A novel magnetically separable catalyst for Heck reaction of aryl iodides and aryl bromides at room temperature in water as only solvent

      Abdol R. Hajipour and Zeinab Tavangar-Rizi

      Version of Record online: 20 OCT 2016 | DOI: 10.1002/aoc.3638

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      The preparation and characterization of palladium nanoparticles immobilized on magnetic methionine-functionalized chitosan as a new and highly efficient heterogeneous catalyst and its application in Heck reaction of aryl iodides and aryl bromides in water at room temperature are reported.

    35. Mild and efficient Pd(PtBu3)2-catalyzed aminocarbonylation of aryl halides to aryl amides with high selectivity

      Yizhu Lei, Se Xiao, Guangxing Li, Yanlong Gu, Hanfu Wu and Kaiyi Shi

      Version of Record online: 19 OCT 2016 | DOI: 10.1002/aoc.3637

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      This work describes a mild and efficient approach for the synthesis of aryl amides via catalytic aminocarbonylation of aryl halides with alicyclic amines using a Pd(PtBu3)2/NH4Cl catalyst system. High chemoselectivity for mono-carbonylation reaction was achieved under mild reaction temperature and balloon pressure of CO. This work also discusses the catalytic intermediates in detail. The high selectivity should be attributed to the formation of an active acid chloride intermediate.

    36. Functionalized graphene oxide supported copper (I) complex as effective and recyclable nanocatalyst for one-pot three component synthesis of 1,2,3-triazoles

      Hossein Naeimi, Rahele Shaabani and Mohsen Moradian

      Version of Record online: 19 OCT 2016 | DOI: 10.1002/aoc.3626

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      A one-pot procedure for synthesis of 1,2,3-triazole derivatives via the three-component coupling reaction between alkyl halides, sodium azide with terminal alkynes in the presences of GO-NH-IA-Cu (I) catalyst has been developed.

    37. Suzuki and Heck cross-coupling reactions using ferromagnetic nanoparticle-supported palladium complex as an efficient and recyclable heterogeneous nanocatalyst in sodium dodecylsulfate micelles

      Kiumars Bahrami, Mohammad M. Khodaei and Farhat Sadat Meibodi

      Version of Record online: 19 OCT 2016 | DOI: 10.1002/aoc.3627

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      A novel heterogeneous Pd catalyst was synthesized by anchoring Pd(II) onto 4′-(4-hydroxyphenyl)-2,2′:6′,2″-terpyridine-coated Fe3O4 (FMNPs@TPy-Pd). This catalyst was demonstrated for the first time as a recoverable and reusable heterogeneous nanocatalyst in Suzuki and Heck cross-coupling reactions. The catalyst is very easy to handle and is environmentally safe and economical. FMNPs@TPy-Pd was characterized using various methods.

    38. Modification of palladium–copper thin film by reduced graphene oxide or platinum as catalyst for Suzuki–Miyaura reactions

      S. Jafar Hoseini, Behnaz Habib Agahi, Zahra Samadi Fard, Roghayeh Hashemi Fath and Mehrangiz Bahrami

      Version of Record online: 19 OCT 2016 | DOI: 10.1002/aoc.3607

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      A toluene–water planar interface has been used as an ideal template for self-assembly of PdCu, PdCu/reduced graphene oxide and PtPdCu nanoparticle thin films as efficient catalysts for Suzuki–Miyaura cross-coupling reactions.

    39. Cationic ruthenium(II) complexes supported on mesoporous silica as catalyst precursors in the selective oxidative cleavage of 1-octene

      Hendrik Kotzé and Selwyn Mapolie

      Version of Record online: 17 OCT 2016 | DOI: 10.1002/aoc.3643

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      Arene complexes of Ru(II) immobilized on mesoporous silicas (MCM-41 and SBA-15) were applied as catalyst precursors in the oxidative cleavage of 1-octene to produce heptanal and heptanoic acid in the presence of periodic acid as oxidant. The supported Ru catalysts were more active and showed improved selectivity compared to their homogeneous analogues.

    40. Glucose-coated superparamagnetic nanoparticle-catalysed pyrazole synthesis in water

      Naghmeh Esfandiary, Athar Nakisa, Kobra Azizi, Jamshid Azarnia, Iman Radfar and Akbar Heydari

      Version of Record online: 17 OCT 2016 | DOI: 10.1002/aoc.3641

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      Preparation of a High efficient, low-cost, eco-friendly heterogeneous superparamagnetic catalyst (Glu.@Fe3O4) for the synthesis of pyrazole.

    41. Synthesis, characterization and antimicrobial activity of triorganotin(IV) derivatives of some bioactive Schiff base ligands

      Pooja Bhatra, Jyoti Sharma, Ram Avatar Sharma and Yashpal Singh

      Version of Record online: 17 OCT 2016 | DOI: 10.1002/aoc.3639

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      A different coordination behaviour of the central tin atom depending on Schiff base moiety of newly synthesized triorganotin derivatives has been characterized. These complexes have been screened for antimicrobial activity, and attempts made to relate the activity to structure.

    42. Half-sandwich ruthenium, rhodium and iridium complexes featuring oxime ligands: Structural studies and preliminary investigation of in vitro and in vivo anti-tumour activities

      Narasinga Rao Palepu, Sanjay Adhikari, Richard Premkumar J, Akalesh K. Verma, Samantha L. Shepherd, Roger M. Phillips, Werner Kaminsky and Mohan Rao Kollipara

      Version of Record online: 11 OCT 2016 | DOI: 10.1002/aoc.3640

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      Half-sandwich water-soluble ruthenium, rhodium and iridium complexes (112) were synthesized and characterized. Two complexes (2 and 10) exhibited equipotent in vitro anti-tumour activity against HT-29 (human colorectal cancer), BE (human colorectal cancer) and MIA PaCa-2 (human pancreatic cancer) cell lines. Complexes 3, 6, 9 and 12 induced apoptosis in Dalton's ascites lymphoma cells. The complexes possess hydroxyl group which imparts strong hydrogen bond donor ability.

    43. Novel type of SO3H–functionalized nano-titanium dioxide as a highly efficient and recyclable heterogeneous nanocatalyst for the synthesis of tetrahydrobenzo[b]pyrans

      Taiebeh Shamsi, Ali Amoozadeh, S. Maryam Sajjadi and Elham Tabrizian

      Version of Record online: 11 OCT 2016 | DOI: 10.1002/aoc.3636

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      n-Butylsulfonated nano-titania (n-TiO2-NH-(CH2)4-SO3H) as a highly efficient and reusable nanocatalyst was prepared and its catalytic activity was evaluated in the synthesis of tetrahydrobenzo[b]pyrans, affording high yields.

    44. Palladium-catalyzed highly selective intramolecular bromoamination of alkenes: Efficient synthesis of substituted pyrrolidines

      Jingfang Zhang, Xie Wang, Yulong Liu, Xiaoyun Wang and Wei He

      Version of Record online: 11 OCT 2016 | DOI: 10.1002/aoc.3631

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      The reaction of Pd-catalyzed intramolecular bromoamination of substituted alkenes has been developed. The expected bromoamination products are obtained in up to 98% yield under the conditions of 10% Pd(PPh3)2Cl2, K2CO3 (2 eq.), N-bromosuccinimide (NBS; 1.5 eq.) and CH2Cl2, and the reaction time is within 1 h.

    45. Synthesis and structural characterization of new bioactive ligands and their Bi(III) derivatives

      Ahmad Raheel, Imtiaz-ud-Din, Sohaila Andleeb, Simko Ramadan and Muhammad Nawaz Tahir

      Version of Record online: 11 OCT 2016 | DOI: 10.1002/aoc.3632

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      Five new pivaloylcarbamothioyl amino acids and their corresponding bismuth(III) derivatives were synthesized and characterized using sophisticated techniques. The behaviour of the compounds was bioassayed for antibacterial, antifungal, antioxidant and enzyme (lipoxygenase, α-glycosidase and anti-urease) inhibition activities.

    46. Synthesis, structure and antiproliferative activity of organometallic iridium(III) complexes containing thiosemicarbazone ligands

      Wei Su, Binghua Peng, Peiyuan Li, Qi Xiao, Shan Huang, Yunqiong Gu and Zefeng Lai

      Version of Record online: 11 OCT 2016 | DOI: 10.1002/aoc.3610

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      The formations of iridium–arene complexes derived from thiosemicarbazone ligands are reported. The molecular structures of the complexes were determined using single-crystal X-ray diffraction analysis. The cytotoxicity of these compounds towards HeLa cervical carcinoma, HepG2 liver carcinoma, CNE-2 nasopharyngeal carcinoma, SGC-7901 gastric carcinoma, KB oral epithelial carcinoma and HEK-293 T embryonic kidney cell lines was investigated.

    47. Silica-coated nano-Fe3O4-supported iminopyridine palladium complex as an active, phosphine-free and magnetically separable catalyst for Heck reactions

      Qiang Zhang, Xin Zhao, Huai-Xin Wei, Ji-Hang Li and Jun Luo

      Version of Record online: 11 OCT 2016 | DOI: 10.1002/aoc.3608

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      A novel magnetic nanoparticle-supported iminopyridine Pd complex was successfully prepared and used as an efficient heterogeneous catalyst for Heck reactions. It could be simply recovered and reused several times without significant loss in activity.

    48. Greener approach for synthesis of monodispersed palladium nanoparticles using aqueous extract of green tea and their catalytic activity for the Suzuki–Miyaura coupling reaction and the reduction of nitroarenes

      Hojat Veisi, Amin Rostami and Mohadeseh Shirinbayan

      Version of Record online: 11 OCT 2016 | DOI: 10.1002/aoc.3609

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      A facile and green route for the synthesis of palladium nanoparticles (Pd NPs) was developed utilizing non-toxic and renewable natural green tea extract as the reducing, stabilizing and capping agent.

    49. Effect of fluorinated/non-fluorinated β-diketones and side-chain branching of N-protected amino acids on the antibacterial potential of new heptacoordinated monobutyltin(IV) complexes

      Karuna Maheshwari, Manish Kumar Srivastava, Sanjiv Saxena and Asha Jain

      Version of Record online: 6 OCT 2016 | DOI: 10.1002/aoc.3628

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      Heptacoordinated complexes of the type BuSn(A)2B and BuSnA(B)2 were synthesized. The effect of fluorinated/non-fluorinated β-diketones and side-chain branching of N-protected amino acids on the antibacterial potential of these complexes was investigated.

    50. Heteroleptic Schiff base complexes containing terpyridine as chemical nucleases and their biological potential: A study of DNA binding and cleaving, antimicrobial and cytotoxic tendencies

      Ponnukalai Ponya Utthra, Ganesan Kumaravel, Raju Senthilkumar and Natarajan Raman

      Version of Record online: 6 OCT 2016 | DOI: 10.1002/aoc.3629

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      Twelve octahedral Schiff base complexes exhibit DNA interactions and are good metallointercalators. The complexes manifested as excellent antimicrobial agents, chemical nucleases and anticancer agents. The Cu(II) complex with chloroterpyridine in its environment shows the best activity.

    51. Application of a biological-based nanomagnetic catalyst in the synthesis of bis-pyrazols and pyrano[3,2-c]pyrazoles

      Mohammad Ali Zolfigol, Mahdiyeh Navazeni, Meysam Yarie and Roya Ayazi-Nasrabadi

      Version of Record online: 6 OCT 2016 | DOI: 10.1002/aoc.3633

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      {Fe3O4@SiO2@(CH2)3-thiourea dioxide-SO3H/HCl}, a newly reported nanomagnetic core–shell supported solid acid catalyst, was successfully employed in the preparation of 4,4′-(arylmethylene)bis(1H–pyrazol-5-ol) and pyrano[3,2-c]pyrazole derivatives. The presented methods are very efficient and high-yielding. Also, the catalyst exhibited reusability in both reactions.

    52. Environmentally friendly and highly efficient synthesis of benzoxazepine and malonamide derivatives using HPA/TPI-Fe3O4 nanoparticles as recoverable catalyst in aqueous media

      Esmail Vessally, Rahim Hosseinzadeh-Khanmiri, Mirzaagha Babazadeh, Ebrahim Ghorbani-Kalhor and Ladan Edjlali

      Version of Record online: 6 OCT 2016 | DOI: 10.1002/aoc.3603

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      A magnetic inorganic -organic nanohybrid material (HPA/TPI-Fe3O4 NPs) was produced as an efficient, highly recyclable and eco-friendly catalyst for the one-pot multi-component synthesis of malonamide and 2,3,4,5-tetrahydrobenzo[b][1,4]oxazepine derivatives with high yields in short reaction times (25 -35 min) in aqueous media at room temperature. The magnetic recoverable catalyst was easily recycled at least ten times without any loss of catalytic activity.

    53. Au- and Ag-loaded MnO2 nanostructures supported on nitrogen- and nitrogen–sulfur-doped pyroproteins: Synthesis and catalytic activity in organic transformations

      Zeinab Hezarkhani and Ahmad Shaabani

      Version of Record online: 6 OCT 2016 | DOI: 10.1002/aoc.3624

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      Nitrogen- and nitrogen–sulfur-doped pyroproteins were prepared by carbonization of natural silk and wool proteins, respectively. Au- and Ag-loaded MnO2 nanostructures were supported on these pyroproteins. The prepared catalysts were used for the aerobic oxidation of aromatic hydrocarbons of petroleum naphtha and the aerobic oxidative synthesis of 2-phenylbenzo[d]thiazoles, 2-phenyl-1H-benzo[d]imidazoles and 2-phenyl-4-quinazolinones.

    54. Effect of weak base modification on ZSM-5 catalyst for methanol to aromatics

      Wei Feng, Xiaofeng Gao, Chuanmin Ding, Yanming Jia, Junwen Wang, Kan Zhang and Ping Liu

      Version of Record online: 6 OCT 2016 | DOI: 10.1002/aoc.3625

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      A high ratio of Brønsted to Lewis acid sites is favorable for the production of aromatic products.

    55. Cu(II) immobilized on Fe3O4–diethylenetriamine: A new magnetically recoverable catalyst for the synthesis of 2,3-dihydroquinazolin-4(1H)-ones and oxidative coupling of thiols

      Lotfi Shiri, Arash Ghorbani-Choghamarani and Mosstafa Kazemi

      Version of Record online: 6 OCT 2016 | DOI: 10.1002/aoc.3596

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      Cu(II) complex immobilized on magnetic nanoparticles was found to be a magnetically separable and highly active catalyst for the synthesis of 2,3-dihydroquinazoline-4(1H)-ones and the oxidative coupling of thiols.

    56. Tungstate ions (WO4=) supported on imidazolium framework as novel and recyclable catalyst for rapid and selective oxidation of benzyl alcohols in the presence of hydrogen peroxide

      Fereshteh Hosseini Eshbala, Farajollah Mohanazadeh and Alireza Sedrpoushan

      Version of Record online: 6 OCT 2016 | DOI: 10.1002/aoc.3597

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      Tungstate salt with imidazolium framework is found to be a recoverable and heterogeneous system favouring highly selective oxidation of primary benzylic alcohols to corresponding aldehydes.

    57. Synthesis, characterization and antileishmanial studies of some bioactive heteroleptic pentavalent antimonials

      Rabia Mushtaq, Muhammad Khawar Rauf, Michael Bolte, Akhtar Nadhman, Amin Badshah, Muhammad Nawaz Tahir, Masoom Yasinzai and Khalid Mohammed Khan

      Version of Record online: 4 OCT 2016 | DOI: 10.1002/aoc.3606

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      The leishmanicidal activity against Leishmania tropica KWH23 and cytotoxicity for human macrophage blood cells were assessed for antimonials 19. On the basis of significant IC50 (p < 0.01) values, the compounds were categorized in the following order: 1 > 3 > 5 > 6 > 4 > 2 > 7 > 9 > 8 as compared with the standard Glucantime (5.21 ± 1.29 μg ml−1).

    58. Preparation and in vitro investigations of triphenyl[ω-(tetrahydro-2H-pyran-2-yloxy)alkyl]tin(IV) compounds

      David Edeler, Christian Bensing, Harry Schmidt and Goran N. Kaluđerović

      Version of Record online: 4 OCT 2016 | DOI: 10.1002/aoc.3630

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      Preparation and characterization of five new organotin(IV) compounds, as well as their anticancer activity against four cell lines, are reported. The most active compound enters A2780 cells and causes apoptosis by triggering both intrinsic and extrinsic caspase pathways.

    59. Efficient synthesis of 5-substituted tetrazoles catalysed by palladium–S-methylisothiourea complex supported on boehmite nanoparticles

      Parisa Moradi and Arash Ghorbani-Choghamarani

      Version of Record online: 4 OCT 2016 | DOI: 10.1002/aoc.3602

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      An efficient heterogenized palladium catalyst was synthesized on boehmite nanoparticles and characterized using various techniques. The catalytic activity of this reusable organometallic catalyst was studied in the synthesis of 5-substituted 1H-tetrazole derivatives.

    60. Copper immobilized onto polymer-coated magnetic nanoparticles as recoverable catalyst for ‘click’ reaction

      Alireza Banan, Ahmad Bayat and Hassan Valizadeh

      Version of Record online: 4 OCT 2016 | DOI: 10.1002/aoc.3604

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      A polymer-coated ferrite-supported copper catalyst has been synthesized for first time. This catalyst shows a high activity for click reactions in water–t-BuOH. The catalyst can be recovered and reused for nine runs without activity loss. There is negligible copper leaching under optimized conditions. The attractive features are the green reaction conditions, excellent yields and operational simplicity.

    61. Rhodium-catalysed hydroformylation of 1-octene using aryl and ferrocenyl Schiff base-derived ligands

      Shepherd Siangwata, Sisasenkosi Chulu, Clive L. Oliver and Gregory S. Smith

      Version of Record online: 4 OCT 2016 | DOI: 10.1002/aoc.3593

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      A series of monometallic and heterobimetallic complexes of Rh(I) bearing chelating N,O-bidentate aryl- and ferrocenyl-derived ligands have been synthesised and fully charactetrsied. The Rh(I) monometallic and the ferrocene-Rh(I) heterobimetallic complexes displayed good activity as catalyst precursors in the hydroformylation of 1-octene at 95 °C and 40 bar, as well as outstanding chemoselectivity towards aldehydes in the hydroformylation reaction. The ferrocenylimine mononuclear compounds were inactive in the hydroformylation experiments.

    62. In situ stabilization of Pd(0) nanoparticles into a mixture of natural carbohydrate beads: A novel and highly efficient heterogeneous catalyst system for Heck coupling reactions

      Sadegh Rahmati, Ameneh Arabi, Ardeshir Khazaei and Marzieh Khazaei

      Version of Record online: 4 OCT 2016 | DOI: 10.1002/aoc.3588

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      Pd(0) nanoparticles immobilized on a mixture of natural carbohydrate beads (Pdnp/gum arabic/pectin) was prepared and characterized as a new bio-organometallic catalyst. The heterogeneous catalyst was successfully applied in Mizoroki–Heck cross-coupling reactions between various aryl halides and n-butyl acrylate under solvent-free conditions.

    63. (C5H6N4O)(C5H5N4O)3(C5H4N4O)[Bi2Cl11]Cl2 as a simple and efficient catalyst in Biginelli reaction

      Xiang Zhang, Xiaoyu Gu, Yuhua Gao, Shipeng Nie and Hongfei Lu

      Version of Record online: 4 OCT 2016 | DOI: 10.1002/aoc.3590

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      An efficient and facile procedure for the one-pot three-component synthesis of 3,4-dihydropyrimidin-2-(1H)ones/thiones was developed. The methodology is applicable to a wide range of substrates giving products in high yield in the presence of (C5H6N4O)(C5H5N4O)3(C5H4N4O)[Bi2Cl11]Cl2. The complex is an air-stable, environmentally friendly, recoverable catalyst and can efficiently catalyze the Biginelli reaction. The catalyst has high efficiency with low loading, and could be recycled ten times with only a small loss of activity.

    64. Oxidation of alkenes catalysed by molybdenum(VI)–oxodiperoxo complex anchored on the surface of magnetic nanoparticles under solvent-free conditions

      Maryam Zare and Zeinab Moradi-Shoeili

      Version of Record online: 3 OCT 2016 | DOI: 10.1002/aoc.3611

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      A catalyst of modified Fe3O4 nanoparticles as support for a molybdenum(VI) oxodiperoxo complex containing an oxazine ligand shows high catalytic activity and selectivity under solvent-free conditions, as does the homogeneous conterpart.

    65. Synthesis of organically bridged trialkoxysilanes bearing acetoxymethyl groups and applications to reverse osmosis membranes

      Kazuki Yamamoto, Joji Ohshita, Tomonobu Mizumo, Masakoto Kanezashi and Toshinori Tsuru

      Version of Record online: 30 SEP 2016 | DOI: 10.1002/aoc.3580

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      Silica membranes were prepared by the sol–gel reactions of newly synthesized acetoxymethyl-substituted bis(triethoxysilyl)butadienes and the resulting membranes were applied to reverse osmosis for water desalination.

    66. Functionalization of multi-walled carbon nanotubes with pramipexole for immobilization of palladium nanoparticles and investigation of catalytic activity in the Sonogashira coupling reaction

      Sahar Abbasi and Malak Hekmati

      Version of Record online: 26 SEP 2016 | DOI: 10.1002/aoc.3600

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      Novel pramipexole–multi-walled carbon nanotubes were prepared and used for immobilization of palladium nanoparticles as a novel nanocatalyst with high activity in Sonogashira coupling reactions of aryl halides (iodides, bromides, chlorides).

    67. Biological evaluation of organometallic palladium(II) complexes containing 4-hydroxybenzoic acid (3-ethoxy-2-hydroxybenzylidene)hydrazide: Synthesis, structure, DNA/protein binding, antioxidant activity and cytotoxicity

      Ganesan Ayyannan, Perumal Veerasamy, Maruthachalam Mohanraj, Gunasekaran Raja, Arumugam Manimaran, Marappan Velusamy, Nanjan Bhuvanesh, Raju Nandhakumar and Chinnasamy Jayabalakrishnan

      Version of Record online: 15 SEP 2016 | DOI: 10.1002/aoc.3599

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      Palladium(II) hydrazone complexes were synthesized and characterized using spectral and single-crystal X-ray diffraction analyses. Their DNA/bovine serum albumin (BSA) binding capability, antioxidant activity and in vitro cytotoxic potential were evaluated.

    68. Synthesis, catalytic and biological activities and computational study of Fe(III) solvent-ligated complexes having B(Ph)4 as counter anion

      Ahmed K. Hijazi, Ziyad A. Taha, Abdulaziz M. Ajlouni, Waleed M. Al-Momani, Taher S. Ababneh, Heba M. Alshare and Fritz E. Kuehn

      Version of Record online: 15 SEP 2016 | DOI: 10.1002/aoc.3601

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      Fe(III) complexes of general formulae [FeIII(CH3CN)6][B(Ph)4]3 and [FeIII(C2H5CN)6][B(Ph)4]3 have been synthesized and characterized. They show good catalytic activities in the oxidation of aniline and its derivatives. They also have good antimicrobial activities. Their molecular geometries have been examined using density functional theory calculations and the results obtained are in good agreement with experimental data.

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