DIASTEREOSELECTION IN THE ADDITION OF ENOLATES TO CHIRAL ALPHA,BETA-EPOXYALDEHYDES

被引:22
作者
ESCUDIER, JM [1 ]
BALTAS, M [1 ]
GORRICHON, L [1 ]
机构
[1] UNIV TOULOUSE 3,CNRS,SYNTHESE & PHYSICOCHIM ORGAN LAB,118 ROUTE NARBONNE,F-31062 TOULOUSE,FRANCE
关键词
DIASTEREOSELECTION; GAMMA; DELTA-EPOXY BETA-HYDROXYESTERS; POLYOLS; ENOLATES;
D O I
10.1016/S0040-4039(00)92381-5
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The stereochemistry of addition of lithium enolates to the alpha,beta-epoxyaldehydes 1-3 has been investigated. Moderate to high diastereoselectivity (up to 13:1) is obtained in favour of the anti isomer, which is explained by the Felkin-Anh model for asymmetric induction.
引用
收藏
页码:5345 / 5348
页数:4
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