Asymmetric epoxidation of a geminally-disubstituted and some trisubstituted enones catalysed by poly-L-leucine

被引:31
作者
Bentley, PA [1 ]
Bickley, JF [1 ]
Roberts, SM [1 ]
Steiner, A [1 ]
机构
[1] Univ Liverpool, Dept Chem, Liverpool L69 7ZD, Merseyside, England
关键词
epoxides; peptides and polypeptides; asymmetric reactions; asymmetric synthesis;
D O I
10.1016/S0040-4039(01)00535-4
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Epoxidation of a range of enones derived from tetralone or related cyclic ketones, employing poly-L-leucine, urea-H2O2 and DBU in iso-propyl acetalte is reported. The corresponding epoxides were isolated in 63-85% yield and 59-96% ee. (C) 2001 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:3741 / 3743
页数:3
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