Utilization of heterobimetallic complexes as Lewis acids

被引:33
作者
Morita, T
Arai, T
Sasai, H [1 ]
Shibasaki, M
机构
[1] Univ Tokyo, Grad Sch Pharmaceut Sci, Bunkyo Ku, Tokyo 1130033, Japan
[2] Osaka Univ, Inst Sci & Ind Res, Ibaraki, Osaka 567, Japan
关键词
D O I
10.1016/S0957-4166(98)00124-4
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The lithium-containing multifunctional heterobimetallic catalysts such as LaLi(3)tris((R)-6,6'-dibromobinaphthoxide) showed moderate Lewis acidity in non-polar solvents. Asymmetric Diels-Alder reactions proceeded efficiently in the presence of the heterobimetallic catalyst. This is the first application of heterobimetallic asymmetric catalysts solely as Lewis acids. (C) 1998 Elsevier Science Ltd. All rights reserved.
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页码:1445 / 1450
页数:6
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