Tertiary amines: a decisive factor in the stereoselective addition of (R)-pantolactone to N-phthalyl valine ketene

被引:14
作者
Calmes, M [1 ]
Daunis, J [1 ]
Mai, N [1 ]
机构
[1] UNIV MONTPELLIER 2,UPRESA 5075,LAB AMINOACIDES PEPTIDES & PROT,F-34095 MONTPELLIER 5,FRANCE
关键词
D O I
10.1016/S0040-4020(97)00889-2
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The stereoselective base-catalyzed addition of (R)-pantolactone to the ketene derived from racemic N-phthalyl valine is reported. The R or S configuration of the newly generated asymmetric centre of the pantolactonyl ester is highly dependent on the tertiary amine catalyst employed. (C) 1997 Elsevier Science Ltd.
引用
收藏
页码:13719 / 13726
页数:8
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