Chiral Mn(III) salen complexes immobilized directly on pyrolytic waste tire char for asymmetric epoxidation of unfunctionalized olefins

被引：21
|
作者：
Ji, Runan [1 ,2 ]
Yu, Kai [3 ]
Lou, Lan-Lan [1 ,2 ]
Zhang, Cui [1 ,2 ]
Han, Yan [1 ,2 ]
Pan, Sheng [1 ,2 ]
Liu, Shuangxi [1 ,2 ]
机构：
[1] Nankai Univ, Coll Chem, Inst New Catalyt Mat Sci, Tianjin 300071, Peoples R China
[2] Nankai Univ, Coll Chem, Minist Educ, Key Lab Adv Energy Mat Chem, Tianjin 300071, Peoples R China
[3] Nankai Univ, Coll Environm Sci & Engn, Tianjin 300071, Peoples R China
来源：
INORGANIC CHEMISTRY COMMUNICATIONS | 2012年 / 25卷
基金：
中国国家自然科学基金;
关键词：
Chiral Mn(III) salen complex; Pyrolytic waste tire char; Heterogeneous catalysts; Asymmetric epoxidation; HIGHLY ENANTIOSELECTIVE EPOXIDATION; NONFUNCTIONALIZED ALKENES; ACTIVATED CARBONS; HETEROGENEOUS CATALYSTS; MESOPOROUS MATERIALS; MN(SALEN) CATALYSTS; SUPPORTS; STYRENE;
D O I：
10.1016/j.inoche.2012.09.001
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Two kinds of chiral Mn(III) salen complexes were synthesized and directly immobilized on pyrolytic waste tire char (PWTC) without modification of any organosilicon, which was an economic support, having rich oxy functionalized groups inherently. The as-prepared heterogeneous catalysts were characterized by X-ray photoelectron spectra (XPS), N-2 sorption, Fourier transform infrared spectra (FT-IR) and thermogravimetric analysis (TG), and possessed of good catalytic performance in asymmetric epoxidation of unfunctionalized olefins. They obtained higher enantiomeric excess (ee) values than that of homogeneous catalysts for asymmetric epoxidation of 1-phenylcyclehexene and could be recycled three times. (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码：65 / 69
页数：5
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