A highly effective sulfamic acid/methanol catalytic system for the synthesis of benzimidazole derivatives at room temperature

被引：66
作者：
Zhang, Zhan-Hui [1 ]
Li, Tong-Shuang [1 ]
Li, Jian-Jiong [1 ]
机构：
[1] Hebei Normal Univ, Coll Chem & Mat Sci, Shijiazhuang, Peoples R China
来源：
MONATSHEFTE FUR CHEMIE | 2007年 / 138卷 / 01期
关键词：
benzimidazole; o-phenylenediamines; orthoesters; sulfamic acid/methanol system; synthesis;
D O I：
10.1007/s00706-006-0566-1
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Sulfamic acid/methanol was found to be an efficient catalytic system for the synthesis of benzimidazole compounds through the condensation of o-phenylenediamine with orthoester in high yields at room temperature.
引用
收藏
页码：89 / 94
页数：6
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