Preparation of Mesoporous Silica-Supported Chiral Amino Alcohols for the Enantioselective Addition of Diethylzinc to Aldehyde and Asymmetric Transfer Hydrogenation to Ketones

被引：1

作者：

Sarkar, Shaheen M. ^{[1
]}

Ali, Md. Eaqub ^{[2
]}

Rahman, Md. Lutfor ^{[1
]}

Yusoff, Mashitah Mohd ^{[1
]}

机构：

[1] Univ Malaysia Pahang, Fac Ind Sci & Technol, Gambang 26300, Kuantan, Malaysia

[2] Univ Malaya, Nanotechnol & Catalysis Res Ctr NanoCat, Kuala Lumpur 50603, Malaysia

来源：

JOURNAL OF NANOMATERIALS | 2015年 / 2015卷

关键词：

HETEROGENEOUS CATALYSTS; RECOVERABLE CATALYSTS; SOLUBLE POLYMERS; MOLECULAR-SIEVES; PD COMPLEX; MCM-41; DIALKYLZINCS; REAGENTS;

D O I：

10.1155/2015/381836

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Optically active (-)-ephedrine, (-)-norephedrine, and (-)-prolinol were immobilized onto cubic mesoporous MCM-48 silica. The immobilized amino alcohols served as a heterogeneous chiral catalyst for the asymmetric addition of diethylzinc to aldehydes and transfer hydrogenation to ketones. The developed catalytic process yielded optically enriches secondary aromatic alcohols with 92-99% conversion and 70-82% enantioselectivity.

引用

页数：6

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