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

页码：1033 / 1039

页数：7

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