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

被引：67

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

页码：89 / 94

页数：6

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