Immobilized Co(acac)2 on modified Fe3O4 nanoparticles as a magnetically separable epoxidation catalyst

被引：24
|
作者：
Hamidipour, Lida [1 ]
Farzaneh, Faezeh [1 ]
Ghandi, Mehdi [2 ]
机构：
[1] Univ Alzahra, Dept Chem, Tehran, Iran
[2] Univ Tehran, Coll Sci, Sch Chem, Tehran, Iran
来源：
REACTION KINETICS MECHANISMS AND CATALYSIS | 2012年 / 107卷 / 02期
关键词：
Magnetic nanoparticles; Fe3O4; Epoxidation; Alkenes; HYDROGENATION; OXIDATION; NANOCOMPOSITE; COMPLEXES; STYRENE; FUNCTIONALIZATION; NANOCRYSTALS; PLATINUM; OLEFINS; SYSTEM;
D O I：
10.1007/s11144-012-0475-8
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Fe3O4 nanoparticles were prepared and modified with (3-aminopropyl) trimethoxysilane (APTMS) followed by complexation with Co(acac)(2). The prepared nanocatalyst, designated as Fe3O4@APTMS@Co(acac)(2) was characterized by FTIR, XRD, SEM, and TEM techniques. It was found that Fe3O4@APTMS@Co(acac)(2) successfully catalyzes the epoxidation of cyclooctene, styrene, cyxlohexene, trans-stilbene, and norbornene with O-2 as an oxidant and isobutyraldehyde (RCHO) as a co-reductant with 48-100 % reactivity and 40-92 % selectivity.
引用
收藏
页码：421 / 433
页数：13
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