Catalytic oxidation of olefins and sulfides in the presence of hydrazone-oxidovanadium(V) complex containing VOCl2+ core

被引：44
作者：
Bikas, Rahman [1 ]
Ghorbanloo, Massomeh [1 ]
Jafari, Solmaz [1 ]
Eigner, Vaclav [2 ]
Dusek, Michal [2 ]
机构：
[1] Univ Zanjan, Dept Chem, Fac Sci, Zanjan 45195313, Iran
[2] Czech Acad Sci, Inst Phys, Slovance 2, Prague 18221, Czech Republic
来源：
INORGANICA CHIMICA ACTA | 2016年 / 453卷
关键词：
Oxidovanadium(V); Catalytic oxidation; Hydrazone ligand; Crystal structure; VOCl2+; SCHIFF-BASE LIGANDS; SUBSTITUTED N-SALICYLIDENEHYDRAZIDES; MODELING SUPRAMOLECULAR INTERACTIONS; CARBOHYDRAZONE BASED LIGAND; L-CYSTEINE SULFOXIDE; CRYSTAL-STRUCTURES; MAGNETIC-PROPERTIES; VANADIUM COMPOUNDS; DIOXIDOVANADIUM(V) COMPLEXES; STRUCTURAL-CHARACTERIZATION;
D O I：
10.1016/j.ica.2016.07.058
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
A new oxidovanadium(V) complex, [VO(L)Cl-2] (1), is synthesized by the reaction of VOCl3 with (E)-N'-(phenyl(pyridin-2-yl)methylene)isonicotinhydrazide (HL) in chloroform as a solvent. The complex is characterized by elemental analysis, spectroscopic methods (FT-IR, UV-vis), and its structure is determined by single crystal X-ray diffraction analysis. X-ray studies reveal a mononuclear complex of V(V) with the hydrazone ligand coordinated to the V(V) center as a tridentate mononegative ligand. This complex is used as a catalyst precursor for oxidation of olefins and sulfides in the presence of hydrogenperoxide (H2O2) as a green oxidant. The effect of various parameters is studied including the amount of the catalyst, temperature and solvent. The results show the system corresponds to an active and selective catalyst for oxidation of cyclooctene and thioanisole. (C) 2016 Elsevier B.V. All rights reserved.
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页码：78 / 85
页数：8
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