Oxazaborolidine-derived Lewis acid assisted Lewis acid as a moisture-tolerant catalyst for enantioselective Diels-Alder reactions

被引:74
作者
Futatsugi, K [1 ]
Yamamoto, H [1 ]
机构
[1] Univ Chicago, Dept Chem, Chicago, IL 60637 USA
关键词
asymmetric catalysis; cycloaddition; Diels-Alder reaction; Lewis acids;
D O I
10.1002/anie.200461319
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Reactive, selective, and tough, the chiral Lewis acid generated from 1 and SnCl4 catalyzes the enantioselective Diels-Alder reactions of various classes of substrates (see scheme). The reactive species preserves its asymmetric induction ability even in the presence of a large excess of SnCl 4. Importantly, this catalyst system is tolerant to a small amount of moisture, oxygen, and Lewis bases. © 2005 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码:1484 / 1487
页数:4
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