p-nitrobenzoic acid promoted synthesis of 1,5-benzodiazepine derivatives

被引：0
|
作者：
Varala, Ravi [1 ]
Enugala, Ramu [1 ]
Adapa, Srinivas R. [1 ]
机构：
[1] Indian Inst Chem Technol, Hyderabad 500007, Andhra Pradesh, India
来源：
JOURNAL OF THE BRAZILIAN CHEMICAL SOCIETY | 2007年 / 18卷 / 02期
关键词：
1,5-benzodiazepines; bronsted acid; o-phenylenediamines and ketones; p-nitrobenzoic acid;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
p-Nitrobenzoic acid was found to be the versatile Bronsted organic acid promoter among the carboxylic acids tested for the preparation of 1,5-benzodiazepine derivatives from a wide range of substituted o-phenylenediamines and ketones. The corresponding products were obtained in good isolated yields (62-92%) under mild conditions using acetonitrile as solvent at ambient temperature. Further, the reagent could be easily recovered and reused.
引用
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页码：291 / 296
页数：6
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