Application in the cyclohexane oxidation of a scorpionate oxovanadium(IV) complex: synthesis, structure, and properties of VO(C5H7O2)(BC9H7N6I3)

被引：15

作者：

Xing, Na ^{[1
]}

Shan, Hui ^{[1
]}

Zhao, Hai-Yan ^{[1
]}

Xing, Yong-Heng ^{[1
]}

机构：

[1] Liaoning Normal Univ, Coll Chem & Chem Engn, Dalian 116029, Peoples R China

来源：

JOURNAL OF COORDINATION CHEMISTRY | 2012年 / 65卷 / 05期

基金：

中国国家自然科学基金;

关键词：

Oxovanadium complexes; Hydrotris(4-iodinpyrazolyl)borate; Crystal structure; Quantum chemistry calculations; Cyclohexane oxidation; CATALYTIC-ACTIVITY; PEROXIDATIVE OXIDATION; CRYSTAL-STRUCTURE; VANADIUM; LIGANDS; ETHYLENE; VO2+; EPR;

D O I：

10.1080/00958972.2012.661049

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

An oxovanadium(IV) complex, VO(C5H7O2)(BC9H7N6I3), derived from hydrotris(4-iodinpyrazolyl) borate was designed and synthesized at room temperature in methanol. The complex was characterized by elemental analysis, IR spectra, UV-Vis spectroscopy, and single-crystal X-ray diffraction. The structural analysis shows that the vanadium(IV) center possesses a distorted-octahedral geometry with a N3O3 core, containing a tridentate hydrotris(4-iodinpyrazolyl) borate with nitrogen as three donors. The complex is the first structurally characterized example of a vanadium(IV) complex with hydrotris(4-iodinpyrazolyl)borate. It was used as a catalyst for cyclohexane oxidation under mild conditions and the effects of a variety of factors such as amount of acid and H2O2, the kind of solvent, as well as temperatures were evaluated; the maximum turnover number value reaches 321.

引用

页码：898 / 910

页数：13

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