Ordered Mesoporous Carbons with Ia3d Symmetry Supported Pt Catalyst for Efficient Asymmetric Hydrogenation

被引：17
|
作者：
Li, Bo [1 ]
Li, Xiaohong [1 ]
Ding, Yue [1 ]
Wu, Peng [1 ]
机构：
[1] E China Normal Univ, Shanghai Key Lab Green Chem & Chem Proc, Dept Chem, Shanghai 200062, Peoples R China
来源：
CATALYSIS LETTERS | 2012年 / 142卷 / 08期
基金：
中国国家自然科学基金;
关键词：
Asymmetric hydrogenation; Supported Pt catalyst; Ordered mesoporous carbons; Ethyl pyruvate; Ethyl; 2-oxo-4-phenylbutyrate; ENANTIOSELECTIVE HYDROGENATION; NANOPOROUS CARBON; PRECURSORS; TEMPLATES; SBA-15;
D O I：
10.1007/s10562-012-0843-z
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：
Pt nanoparticles supported on CMK-8 ordered mesoporous carbons (OMCs) with Ia3d symmetry after chirally modified with cinchonidine (CD) proved to be highly efficient for asymmetric hydrogenation of alpha-ketoesters. Up to 34,819 h(-1) TOF with 75 % ee was furnished for the enantioselective hydrogenation of ethyl 2-oxo-4-phenylbutyrate with CD-modified Pt/CMK-8 catalyst. To the best of our knowledge, these results obtained with chirally modified Pt/CMK-8 catalyst are the best ones among those with Pt catalysts supported on carbon materials. It is suggested that both the physical structure features of CMK-8 OMCs and the chemical nature of Pt catalyst are beneficial for the asymmetric hydrogenation.
引用
收藏
页码：1033 / 1039
页数：7
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