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

作者：Zhang Zhan Hui^*; Li Tong Shuang; Li Jian Jiong

来源：Monatshefte fur Chemie, 2007, 138(1): 89-94.

DOI：10.1007/s00706-006-0566-1

• benzimidazole
• o-phenylenediamines
• orthoesters
• sulfamic acid/methanol system
• synthesis

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.

• 出版日期2007-1
• 单位河北师范大学