HIGHLY EFFICIENT PREPARATION OF OPTICALLY-ACTIVE 5-HYDROXY-3-OXOESTERS BY ENANTIOSELECTIVE REACTION OF DIKETENE WITH ALDEHYDES PROMOTED BY NOVEL CHIRAL SCHIFF BASE-TITANIUM ALKOXIDE COMPLEXES

被引:36
作者
HAYASHI, M [1 ]
TANAKA, K [1 ]
OGUNI, N [1 ]
机构
[1] YAMAGUCHI UNIV,FAC SCI,DEPT CHEM,YAMAGUCHI 753,JAPAN
关键词
D O I
10.1016/0957-4166(95)00230-M
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Optically active 5-hydroxy-3-oxoesters 1 can be obtained in up to 91% enantiomeric excess (e.e.) by the enantioselective reaction of diketene with aldehydes promoted by novel chiral Schiff base-titanium alkoxide complexes.
引用
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页码:1833 / 1836
页数:4
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