HIGHLY DIASTEREOSELECTIVE REDUCTION OF (-) MENTHYLPHENYLGLYOXALATE AND (-) MENTHYLPYRUVATE USING NEW HINDERED LITHIUMTRIALKOXYALUMINOHYDRIDES

被引:13
作者
BOIREAU, G
DEBERLY, A
机构
[1] Institut de Chimie Moléculaire d'Orsay Laboratoire de Chimie Organométallique, Université de Paris-Sud, Centre d'Orsay
关键词
D O I
10.1016/S0957-4166(00)80456-5
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Reduction of the keto group of (-)menthylphenylglyoxalate and (-)menthyl pyruvate can be achieved with high diastereoisomeric excess (80-90%) using newly synthesized hindered lithium trialkoxyaluminium hydrides in THF at -78-degrees-C. Hindered borohydrides such as lithium trisiamylborohydride reduce those ketoesters with a lower diastereoselectivity.
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页码:771 / 774
页数:4
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