Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
52677 | Catalysis Communications | 2007 | 6 Pages |
Abstract
An expeditious and efficient route for the synthesis of benzimidazole derivatives by the reaction of o-phenylenediamines with orthoesters in the presence of Lewis acids was described. ZrCl4, SnCl4 · 5H2O, TiCl4, BF3 · Et2O, ZrOCl2 · 8H2O and HfCl4 exhibited high catalytic activity for this transformation.
Related Topics
Physical Sciences and Engineering
Chemical Engineering
Catalysis
Authors
Zhan-Hui Zhang, Liang Yin, Yong-Mei Wang,