ENANTIOSELECTIVE SYNTHESIS OF (+)-KJELLMANIANONE

被引:46
作者
CHEN, BC
WEISMILLER, MC
DAVIS, FA
BOSCHELLI, D
EMPFIELD, JR
SMITH, AB
机构
[1] DREXEL UNIV,DEPT CHEM,PHILADELPHIA,PA 19104
[2] UNIV PENN,RES STRUCT MATTER,DEPT CHEM,PHILADELPHIA,PA 19104
[3] UNIV PENN,MONELL CHEM SENSES CTR,PHILADELPHIA,PA 19104
基金
美国国家卫生研究院;
关键词
D O I
10.1016/S0040-4020(01)80914-5
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
An asymmetric synthesis of the highly oxygenated cyclopentanoid antibiotic (+)-kjellmanianone (1) has been achieved. The key step entailed enantioselective hydroxylation of the prochiral sodium enolate of beta-keto ester 2 with the new, enantiomerically pure N-sulfonyloxaziridine 7b, affording 1 in 68.5% ee (60% yield). Possible transition state structures for the asymmetric oxidation are evaluated.
引用
收藏
页码:173 / 182
页数:10
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