Silica supported fluoroboric acid as a novel, efficient and reusable catalyst for the synthesis of 1,5-benzodiazepines under solvent-free conditions

被引:39
作者
Bandgar, B. P. [1 ]
Patil, Abasaheb V. [1 ]
Chavan, O. S. [1 ]
机构
[1] Swami Ramanand Teerth Marathwada Univ, Sch Chem Sci, Organ Chem Res Lab, Nanded 431606, Maharashtra, India
关键词
benzodiazepines; o-Phenylenediamine; ketones; HBF4-SiO2; solvent free;
D O I
10.1016/j.molcata.2006.04.024
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
An efficient synthesis of 1,5-benzodiazepines from o-phenylenediamine and ketones under solvent-free conditions in the presence of a catalytic amount of HBF4-SiO2 is discussed. Cyclic and acyclic ketones reacted smoothly to furnish high yield of the products with selectivity in short reaction time. (c) 2006 Elsevier B.V All rights reserved.
引用
收藏
页码:99 / 105
页数:7
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