Applied Organometallic Chemistry

© John Wiley & Sons, Ltd.

Cover image for Vol. 26 Issue 2

February 2012

Volume 26, Issue 2

Pages 51–101

  1. Full Papers

    1. Top of page
    2. Full Papers
    1. Application of a dimeric ortho-palladated complex of tribenzylamine as an efficient catalyst in microwave-assisted Hiyama coupling reactions (pages 51–55)

      Abdol R. Hajipour and Fatemeh Rafiee

      Article first published online: 10 JAN 2012 | DOI: 10.1002/aoc.1863

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      The catalytic activity of [Pd{C6H4(CH2N(CH2Ph)2)}(m-Br)]2 complex as an efficient catalyst investigated in the Hiyama cross-coupling reactions of triethoxy(phenyl)silane with various aryl halides under microwave irradiation. The substituted biaryls were produced in excellent yields and short reaction times using a catalytic amount of this complex.

    2. Ru(II) complexes bearing tertiary phosphine ligands: a novel and efficient homogeneous catalyst for one-pot synthesis of dihydropyrano[3,2-c]chromene and tetrahydrobenzo[b]pyran derivatives (pages 56–61)

      Khalil Tabatabaeian, Hannaneh Heidari, Manouchehr Mamaghani and Nosrat O. Mahmoodi

      Article first published online: 10 JAN 2012 | DOI: 10.1002/aoc.1866

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    3. Nucleophilic substitution of ferrocenyl alcohols catalyzed by bismuth(III) in aqueous medium at room temperature (pages 62–66)

      Ran Jiang, Chun-Xiang Yuan, Xiao-Ping Xu and Shun-Jun Ji

      Article first published online: 13 JAN 2012 | DOI: 10.1002/aoc.1867

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      The formation of C-N, C-C and C-S bond between ferrocenyl alcohol and nucleophiles was achieved. The reaction was performed in aqueous medium and catalyzed by 5 mol% Bi(NO3)3·5H2O at room temperature, without further addition of surfactants. By nucleophilic substitution in this system, a series of ferrocenyl derivatives were obtained in moderate to good yields.

    4. Organophosphine/phosphite-stabilized silver(I) complexes bearing N-hydroxysuccinimide ligand: synthesis, solid state structure and their potential use as MOCVD precursors (pages 67–73)

      Xian Tao, Ke-Cheng Shen, Qing-Yun Tang, Meng Feng, Jiang-Tao Fang, Yu-Long Wang and Ying-Zhong Shen

      Article first published online: 26 JAN 2012 | DOI: 10.1002/aoc.1868

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      Six organophosphine / phosphite stabilized silver(I) N-hydroxysuccinimide complexes of type C4H4NO3Ag·Ln were prepared. The crystal structure of 2b was determined and discussed. Complex 2f was used as precursor in the deposition of silver films using metal organic chemical vapor deposition (MOCVD) technique for the first time. The silver films obtained were characterized using scanning electron microscopy (SEM), atomic force microscopy (AFM) and energy-dispersion X-ray analysis (EDX).

    5. Ferrocene conjugates with mannose: synthesis and influence of ferrocene aglycon on mannose-mediated adhesion of Escherichia coli (pages 74–79)

      Monika Kovačević, Lidija Barišić, Rosana Ribić, Vesna Petrović Peroković, Srđanka Tomić and Vladimir Rapić

      Article first published online: 10 JAN 2012 | DOI: 10.1002/aoc.1869

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      The novel bioorganometallics were synthesized by esterification of O-mannosylated propionic acid and ferrocene alcohols in the presence of Boc2O and DMAP. Due to the results of hemagglutination inhibitory tests, mannose conjugates containing ferrocene aglycons showed better inhibitory potency toward type 1 fimbriated E. coli than standard methyl α-d-mannoside.

    6. Metallocarbonyl complexes of bromo- and dibromomaleimide: synthesis and biochemical application (pages 80–85)

      Bogna Rudolf, Michele Salmain, Emilia Fornal and Agnieszka Rybarczyk-Pirek

      Article first published online: 26 JAN 2012 | DOI: 10.1002/aoc.1872

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      Novel metallocarbonyl bromomaleimide complexes react with cysteine thiols to form thiomaleimide complex which could be cleaved by TCEP to regenerate the starting thiol.

    7. Hydrogenation and hydrogenolysis of furfural and furfuryl alcohol catalyzed by ruthenium(II) bis(diimine) complexes (pages 86–93)

      Anitha S. Gowda, Sean Parkin and Folami T. Ladipo

      Article first published online: 26 JAN 2012 | DOI: 10.1002/aoc.2819

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      Ruthenium(II) bis(diimine) complexes cis-[Ru(6,6'-Cl2bpy)2(OH2)2](Z)2 (1, Z = CF3SO3; 2, Z = (3,5-(CF3)2C6H3)4B, i.e. BArF) and cis-[Ru(4,4-Cl2bpy)2(OH2)2](Z)2 (3, Z = CF3SO3; 4, Z = BArF) are active and highly selective catalysts for the hydrogenation of furfural (FFR) to furfuryl alcohol (FFA). cis-[Ru(6,6'-Cl2bpy)2(OH2)2](BArF)2 (2) further displayed high catalytic efficiency for the hydrogenation of FFA to tetrahydrofurfuryl alcohol (THFA) while cis-[Ru(6,6'-Cl2bpy)2(OH2)2](CF3SO3)2 (1) showed modest catalytic activity in ethanol for the hydrogenolysis of FFA to 2-methylfuran (2-MF).

    8. Mechanism of multi-metal(loid) methylation and hydride generation by methylcobalamin and cob(I)alamin: a side reaction of methanogenesis (pages 94–101)

      Oliver Wuerfel, Frank Thomas, Marcel Sven Schulte, Reinhard Hensel and Roland Arturo Diaz-Bone

      Article first published online: 10 JAN 2012 | DOI: 10.1002/aoc.2821

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      Systematic mechanistic studies on methylation and hydride generation of Group 15 and 16 metal(loid)s by CH3Cob(III) and Cob(I) are presented. Efficient methylation of trivalent arsenic species without a change in oxidation state indicated that the methyl transfer does proceed via a non-oxidative methylation. Our findings also point towards a similar mechanism for antimony, bismuth, selenium, and tellurium and indicate that the methyl group is transferred either in a concerted nucleophilic substitution or in caged radical mechanism

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