Synthesis of optically active C2-symmetric ketones for the asymmetric epoxidation of prochiral olefins by dioxiranes generated in situ with Caroate™ as a peroxide source

被引:69
作者
Adam, W [1 ]
Zhao, CG [1 ]
机构
[1] Univ Wurzburg, Inst Organ Chem, D-97074 Wurzburg, Germany
关键词
D O I
10.1016/S0957-4166(97)00559-4
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The new optically active C-2-symmetric ketones 3a (from mannitol) and 3b (from TADDOL) were prepared and the in-situ-generated dioxiranes (with Caroate(TM) as peroxide source) were shown to serve as effective oxidants for the asymmetric epoxidation tee values up to 81%) of prochiral trans and trisubstituted olefins. (C) 1997 Elsevier Science Ltd. All rights reserved.
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页码:3995 / 3998
页数:4
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