Chinese Journal of Chemistry

Cover image for Vol. 32 Issue 7

July, 2014

Volume 32, Issue 7

Pages 557–653

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      Cover Picture: Design and Synthesis of Polyoxazole-based Macrocycles Tethered with a Phosphonate Group (Chin. J. Chem. 7/2014) (page 557)

      Fuling Qi, Lianxun Gao and Fushe Han

      Article first published online: 10 JUL 2014 | DOI: 10.1002/cjoc.201490015

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      The cover picture shows the design and synthesis of polyoxazole-based macrocycles containing a phosphonate group in the macrocyclic ring periphery. Such novel macrocyclic compounds are anticipated to be potential G-quadruplex ligands to inhibit the tumor cell proliferation. More details are discussed in the article by Han et al. on page 585–591.

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    1. Contents: Chin. J. Chem. 7/2014 (pages 559–564)

      Article first published online: 10 JUL 2014 | DOI: 10.1002/cjoc.201490016

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    1. Design, Synthesis, Structure-Activity Relationship and Insecticidal Activities of Trifluoromethyl-Containing Sulfiliminyl and Sulfoximinyl Phthalic Acid Diamide Structure (pages 567–572)

      Sha Zhou, Tao Yan, Sha Zhou, Xuewen Hua, Baolei Wang, Yucheng Gu, Lixia Xiong, Yongqiang Li and Zhengming Li

      Article first published online: 13 JUN 2014 | DOI: 10.1002/cjoc.201400223

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      With introduction of N-cyano, N-trifluoroacetyl, N-carbamoylsulfiliminyl and sulfoximinyl substituents into phthalamides, novel derivatives containing trifluoromethyl moiety were designed and synthesized. The present work reported that the new trifluoromethylated diamides incorporating N-trifluoroacetylsulfoximinyl moieties are potential lead compounds for further structure optimization, which provided some insight into the relating structure-activity relationship.

    2. Preparation of Fluorescent Polystyrene via ATRP with Dimethylamino Chalcones as Initiator (pages 573–578)

      Qiuxuan Zhou, Peiyang Gu, Youhao Zhang, Najun Li, Qingfeng Xu, Yong Zhang and Jianmei Lu

      Article first published online: 5 JUN 2014 | DOI: 10.1002/cjoc.201400181

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      An initiator containing dimetylamino chalcone structure, which exhibited the strong blue-light emission and was introduced to the terminal of a polymer chain, was synthesized. The polymerization showed a first-order kinetic characteristic and each of the obtained polymers has well-controlled molecular weight and relatively low polydispersity index (PDI). In the presence of metal cations (Al3+, Mg2+, Ca2+, Ag+, Cu2+ and Fe3+), the fluorescent intensity of the PS-APPBr solution was different.

    3. Fabrication and Characterization of Sulfonate-containing Polystyrene/CaCO3 Core-shell Nanoparticles (pages 579–584)

      Yang Hu, Jishuai Wang, Guanzhi Cheng, Jie Shen and Chengyou Kan

      Article first published online: 5 JUN 2014 | DOI: 10.1002/cjoc.201400098

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      P(St-NaSS)/CaCO3 core-shell nanoparticles were successfully fabricated by stabilizing effect of sulfonic groups, in which the amorphous CaCO3 was in-situ synthesized from Ca(OH)2 and CO2, and amount of the anchored CaCO3 increased with the growth of PNaSS chains.

    4. Design and Synthesis of Polyoxazole-based Macrocycles Tethered with a Phosphonate Group (pages 585–591)

      Fuling Qi, Lianxun Gao and Fushe Han

      Article first published online: 13 JUN 2014 | DOI: 10.1002/cjoc.201400213

      Thumbnail image of graphical abstract

      Polyoxazole-based macrocycles containing a phosphonate group were designed and synthesized. A reliable route was established that allows for convenient and versatile incorporation of various phosphonate functionalities such as phosphonate ester, acid, and salt at the macrocyclic ring periphery. Such unprecedented macrocyclic compounds are anticipated to be appealing candidates as telomerase inhibitors.

    5. Synthesis and Insecticidal Evaluation of Novel Phthalic Diamides Containing 1,2,3-Triazoles via Click Reaction (pages 592–598)

      Yinbo Chen, Youxin Xiao, Xusheng Shao, Xiaoyong Xu and Zhong Li

      Article first published online: 13 JUN 2014 | DOI: 10.1002/cjoc.201400202

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      A series of novel phthalic diamide derivatives containing 1,2,3-triazole moiety were synthesized using one-pot click chemistry approach. Compounds 4II-a and 4II-i showed 50% insecticidal activity against armyworm (Mythimna separata) at 4 mg/L and one-third of the compounds had moderate activity against Tetranychus cinnabarinus at 500 mg/L.

    6. Low-Temperature Synthesis of Crystalline Inorganic/Metallic Nanocrystal-Halloysite Composite Nanotubes (pages 599–606)

      Cuiping Li, Jiaqiang Wang, Siquan Feng and Zan Liu

      Article first published online: 13 JUN 2014 | DOI: 10.1002/cjoc.201400154

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      Crystalline inorganic/metallic nanocrystal-halloysite composite nanotubes were synthesized at low-temperature by employing the bulk controlled synthesis of inorganic/metallic nanocrystals on halloysite clay nanotubes.

    7. Metal-Organic Gels Based on Carboxyl-Functionalized Benzimidazole and Their Stimuli Responsivenesses (pages 607–612)

      Hong Yao, Xingmei You, Qi Lin, Hongping Wu, Taibao Wei and Youming Zhang

      Article first published online: 3 JUL 2014 | DOI: 10.1002/cjoc.201400180

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      Three multi-responsiveness supramolecular metal-organic gels (MOGs) have been prepared upon Ba(OAc)2, CdSO4·8H2O and Pb(NO3)2 with a simple ligand (G17) based on a carboxyl-functionalized benzimidazole derivative in alcoholic-water solutions. The MOGs could form stable gels structures through metal-coordination, hydrogen bonding and π-π interactions.

    8. Platinum-Catalyzed Asymmetric Ring-opening Reaction of Oxabenzonorbornadiene with Terminal Alkynes (pages 613–618)

      Yuhua Long, Han Jiang, Zhifu Zou, Kaixuan Chen and Yali Fang

      Article first published online: 13 JUN 2014 | DOI: 10.1002/cjoc.201400174

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      Platinum-catalyzed asymmetric ring-opening reaction of oxabenzonorbornadiene with terminal alkynes has been developed for the first time. The reaction gives optically active cis-2-alkynyl-1,2-dihydronaphthalen-1-ols in moderate yields and with moderate to high enantioselectivity (up to 92% ee).

    9. Synthesis, Structure and Properties of an Unusual 2D Network Zinc Coordination Polymer Based on Pentanuclear Zinc Cluster (pages 626–630)

      Jiangang Ding, Chao Yin, Ke Li, Baolong Li and Bing Wu

      Article first published online: 13 JUN 2014 | DOI: 10.1002/cjoc.201400263

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      An unusual zinc(II) coordination polymer [Zn5(OH)2(bbtz)2(bdc)4]n (1) [bbtz[DOUBLE BOND]1,4-bis(1,2,4-triazol-1-ylmethyl)benzene, bdc[DOUBLE BOND]1,2-benzenedicarboxylate] was synthesized and characterized. 1 contains an unusual 2D network based on pentanuclear zinc(II) cluster [Zn5(OH)2]. Two adjacent pentanuclear Zn(II) clusters are bridged by four bdc ligands and extend to form the one-dimensional chain. The bbtz ligands further link the one-dimensional chains, resulting in a two-dimensional coordination network. The luminescence and thermal stability were investigated.

    10. Adsorption Mechanism of Acetylene Hydrogenation (pages 631–636)

      Xuejia Xie, Xiuli Song, Wenyan Dong, Zhenhai Liang, Caimei Fan and Peide Han

      Article first published online: 3 JUL 2014 | DOI: 10.1002/cjoc.201400182

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      First-principles calculations are carried out to examine the adsorption of acetylene over the Pd (111) surface. A carbonaceous layer generates on the metal surface during acetylene adsorption, which would affect the adsorption and reaction of acetylene.

    11. A Rational Designed Dual-channel Chemosensor for Mercury Ions Based on Hydrolysis of Schiff Base (pages 637–644)

      Guiyuan Wu, Bingbing Shi, Bing Hu, Youming Zhang, Qi Lin, Hong Yao and Taibao Wei

      Article first published online: 17 JUN 2014 | DOI: 10.1002/cjoc.201400093

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      In this paper, we developed a bilateral Schiff base for the colorimetric and fluorometric dual-channel sensing of Hg2+ ions by the hydrolysis of carbon-nitrogen double bond, altering an ICT state mechanism and then Hg2+ ions coordinating with amino moieties of 1,5-DAN and leading to the aggregation of 1,5-DAN. Meanwhile, it formed a stable neutral complex of amino-Hg-amino. In addition, test strips based on L were fabricated, which also exhibit a good selectivity to Hg2+ as in solution. This work provides a novel approach for the selective recognition of mercury ions. Notably, the color changes are very significant and all the recognition processes can be observed by the naked eyes. We believe the test strips can act as a convenient and efficient Hg2+ test kit.

    12. Special Chiral C2-Symmetric endo-Biarylnorbornane: Synthesis and Structure Illustration (pages 645–649)

      Chonglin Cai, Ruigang Chen, Jun He, Juntao Feng and Xing Zhang

      Article first published online: 3 JUL 2014 | DOI: 10.1002/cjoc.201400162

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      Synthesis for strained special scaffold of chiral endo-biarylnorbornane starting from available norbornadione was achieved with direct stereoselective dehydroxylation of tertiary alcohol as the key step, and the structure was illustrated by X-ray structural analysis.

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