ASYMMETRIC CYCLOPROPANATION OF 1-ALKENYLBORONIC ESTERS AND ITS APPLICATION TO THE SYNTHESIS OF OPTICALLY-ACTIVE CYCLOPROPANOLS

被引:133
作者
IMAI, T
MINETA, H
NISHIDA, S
机构
[1] Department of Chemistry, Faculty of Science, Hokkaido University
关键词
D O I
10.1021/jo00304a004
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The first asymmetric cyclopropanation of 1-alkenylboronic esters was realized by diastereofacial selective Simmons-Smith reaction of the esters modified by enantiomerically pure diols such as tetramethyltartar-amide. Subsequent oxidation of the resulting cyclo-propylboronates gave optically active 2-substituted cyclopropanols in 73-94% ee. These reactive compounds possess high synthetic potential. © 1990, American Chemical Society. All rights reserved.
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页码:4986 / 4988
页数:3
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