A GENERAL-METHOD FOR THE SYNTHESIS OF ISATINS - PREPARATION OF REGIOSPECIFICALLY FUNCTIONALIZED ISATINS FROM ANILINES

被引:62
作者
HEWAWASAM, P
MEANWELL, NA
机构
[1] Bristol-Myers Squibb, Pharmaceutical Research Institute, Wallingford, CT 06492
关键词
D O I
10.1016/0040-4039(94)85299-5
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
A new method has been developed for regiospecific conversion of substituted anilines to isatins. The method utilizes the reaction of an ortho-lithiated, protected aniline derivative with diethyl oxalate to furnish an alpha-ketoester. Hydrolytic deprotection of the amino moiety is accompanied by cyclization to provide the isatin.
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页码:7303 / 7306
页数:4
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