Ni (II) schiff base complex immobilized on graphene oxide nano-sheets catalyzed epoxidation of alkenes

被引：20

作者：

Allahresani, Ali ^{[1
]}

机构：

[1] Univ Birjand, Dept Chem, Fac Sci, POB 97175-615, Birjand, Iran

来源：

JOURNAL OF THE IRANIAN CHEMICAL SOCIETY | 2017年 / 14卷 / 05期

关键词：

Ni (II) schiff base complex; Epoxidation; t-Butyl hydroperoxide; Graphene oxide; ENANTIOSELECTIVE EPOXIDATION; NONFUNCTIONALIZED ALKENES; HETEROGENEOUS CATALYST; NI(II) COMPLEXES; HENRY REACTION; OXIDATION; OLEFINS; EFFICIENT; STYRENE; MCM-41;

D O I：

10.1007/s13738-017-1054-8

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Ni (II) schiff base complex was synthesized by the reaction of nickel acetate tetrahydrate with N, N'-Bis(2,4-di-hydroxybenzaldehyde)-1,2-cyclohexanediamine and supported on modified grapheme oxide nano-sheets using 3-chloropropyltrimethoxysilane as a reactive surface modifier. The heterogeneous nano-catalyst was characterized by Fourier transform infrared spectra, X-ray diffraction, thermogravimetric analysis, transmission electron microscopy, nitrogen adsorption-desorption isotherms and atomic absorption spectroscopy. This catalyst was used for the epoxidation of alkenes using tert-butyl hydroperoxide as oxidant, giving excellent conversions and selectivity. The catalyst showed great reusability and selectivity without significant loss of activity in the epoxidation reactions.

引用

页码：1051 / 1057

页数：7

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