Efficient C2-Symmetric Chiral Schiff Bases for Lanthanide-catalyzed Asymmetric Hydrogenation of Acetophenone

被引：0

作者：

Peng Fei YAN

机构：

来源：

Chinese Chemical Letters | 2006年 / 10期

关键词：

Chiral Schiff base; lanthanide (III) complexes; asymmetric hydrogenation; aceto-; phenone; 2-propanol;

D O I：

暂无

中图分类号：

O643.32 [催化反应];

学科分类号：

摘要：

An array of C2-symmetric chiral Schiff bases of substituted salicylaldehyde (1R, 2R)-1, 2-cyclohexanediamine and (R)-(+)-2, 2’-diamino-1, 1’-binaphthalene, incorporated with lanthanide complexes, have been applied as catalysts for asymmetric hydrogenation of acetophenone for the first time. Highly enantioselective product with 90% enantiomeric excess (e.e.) was obtained when the catalyst, hybridized by the bulky electron-donating 3, 5-di-tert-butyl substituted Schiff base (2) and SmCl3·4THF, was employed.

引用

页码：1297 / 1300

页数：4

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