Efficient method for the synthesis of 1,5-benzodiazepine derivatives catalyzed by monoammonium salt of 12-tungstophosphoric acid

被引：10
|
作者：
Giri, B. Y.
Devi, B. L. A. Prabavathi
Lakshmi, K. Vijaya
Prasad, R. B. N.
Lingaiah, N.
Prasad, P. S. Sai
机构：
[1] Indian Inst Chem Technol, CSIR, Lipid Sci & Technol Div, Hyderabad 500007, Andhra Pradesh, India
[2] Indian Inst Chem Technol, CSIR, Inorgan & Phys Chem Div, Hyderabad 500007, Andhra Pradesh, India
来源：
SYNTHETIC COMMUNICATIONS | 2006年 / 36卷 / 24期
关键词：
benzodiazepines; monoammonium salt of 12-tungstophosphoric acid; o-phenylenediamines;
D O I：
10.1080/00397910600947999
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
Monoammonium salt of 12-tungstophosphoric acid [(NH4) H2PW12O40] was found to be a practical, inexpensive, reusable, and efficient heterogeneous catalyst for the preparation of 1,5-benzodiazepine derivatives of o-phenylenediamine and ketones. The heteropolyacid-based catalyst has the advantages of simple workup procedure, water insolubility with good activity, and high-yielding reaction for the synthesis of 1,5-benzodiazepine derivatives.
引用
收藏
页码：3797 / 3801
页数：5
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