LITHIUM 3-LITHIO-3-TOSYLPROPANOATE - A USEFUL ALPHA-TOSYLATED HOMOENOLATE ANION

被引:9
作者
BONETE, P [1 ]
NAJERA, C [1 ]
机构
[1] UNIV ALICANTE,FAC CIENCIAS,DEPT QUIM ORGAN,E-03080 ALICANTE,SPAIN
关键词
D O I
10.1016/0040-4039(92)88101-A
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Lithium 3-lithio-3-tosylpropanoate (7), prepared by dilithiation of 3-tosylpropanoic acid (6) with n-butyllithium at -78-degrees-C, reacts with different electrophiles yielding the expected 3-functionalized tosylated propanoic acids 8. When carbonyl compounds are used as electrophiles the corresponding alpha,beta-butenolides are prepared directly.
引用
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页码:4065 / 4068
页数:4
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