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题名: Synthesis, crystal structures of oxovanadium(V) complexes with hydrazone ligands and their catalytic performance for the styrene oxidation
作者: Zhang, Yan1;  Yang, Ting2;  Zheng, Bo-Yang1;  Liu, Ming-Yang1;  Xing, Na1
关键词: Hydrazone ;  Oxovanadium complex ;  Crystal structure ;  Styrene oxidation
刊名: POLYHEDRON
发表日期: 2017-01-10
DOI: 10.1016/j.poly.2016.09.060
卷: 121, 页:123-129
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Inorganic & Nuclear ;  Crystallography
研究领域[WOS]: Chemistry ;  Crystallography
英文摘要: Four new oxovanadium(V) complexes, [VO(aha)L-1] (1), [VO(aha)L-2] (2), [VO(aha)L-3] (3), and [VO(aha)L-4]. EtOH (4) (Haha = acetohydroxamic acid, H2L1 = 4-nitrophenyl 2-(2-hydroxybenzylidene)hydrazinecarboxylate, H2L2=N'-(2-hydroxylbenzylidene)-4-methoxybenzohydrazide, H2L3 =N'-(2-hydroxylbenzylidene)-4-methylbenzohydrazide, HL4 = N'-(5-bromo-2-hydroxybenzylidene)-3-methyl benzohydrazide), have been prepared and structurally characterized by physico-chemical methods and X-ray diffraction. The V atoms in the complexes are in octahedral coordination, with the three donor atoms of the hydra zone ligand and the deprotonated hydroxyl O atom of the aha ligand defining the equatorial plane, and with the carbonyl O atom of the aha ligand and one oxo O atom occupying the axial positions. Crystal structures of the complexes are stabilized by hydrogen bonds. In addition, the catalytic performances for the peroxidative oxidation (with hydrogen peroxide) of complexes 1-4 and their starting materials VO(acac)(2) were studied by the reaction of styrene (St) to benzaldehyde (BzA) (the maximum total turnover number is 667) under the mild conditions. (C) 2016 Elsevier Ltd. All rights reserved.
关键词[WOS]: SCHIFF-BASE COMPLEXES ;  PYLORI UREASE INHIBITION ;  VANADIUM(V) COMPLEXES ;  METAL-COMPLEXES ;  COPPER(II) COMPLEXES ;  PROPARGYLIC ALCOHOLS ;  SELECTIVE OXIDATION ;  MOLECULAR-OXYGEN ;  ZEOLITE-Y ;  CYCLOHEXANE
语种: 英语
WOS记录号: WOS:000390626200017
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/151830
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Liaoning Normal Univ, Coll Chem & Chem Engn, Dalian 116029, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China

Recommended Citation:
Zhang, Yan,Yang, Ting,Zheng, Bo-Yang,et al. Synthesis, crystal structures of oxovanadium(V) complexes with hydrazone ligands and their catalytic performance for the styrene oxidation[J]. POLYHEDRON,2017,121:123-129.
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