Citation: Kaveh Khosravi, Samira Kazemi. Synthesis of 2-arylbenzimidazoles and 2-arylbenzothiazoles in both room temperature and microwave condition catalyzed by hexamethylenetetramine-bromine complex[J]. Chinese Chemical Letters, ;2012, 23(1): 61-64. doi: 10.1016/j.cclet.2011.09.028 shu

Synthesis of 2-arylbenzimidazoles and 2-arylbenzothiazoles in both room temperature and microwave condition catalyzed by hexamethylenetetramine-bromine complex

Kaveh Khosravi ^a, ,
Samira Kazemi ^b

a Department of Chemistry, Faculty of Science, University of Arak, Arak 38156-8-8349, Iran;
b Tehran Shahid tondgoyan Oil Refinery Company, Tehran, Iran

Received Date: 5 July 2011

One-pot condensation of 2-aminothiophenol or 1,2-phenylenediamine with different aldehydes has been catalyzed by hexamethylenetetramine-bromine (HMTA-Bromine) as new, available and effective catalyst. 2-Arylbenzo-thiazoles and 2-aryl-benzimidazoles have been achieved in excellent yield and good purity.
- Benzothiazoles,
- Benzimidazoles,
- One-pot condensation,
- 1,2-Phenylenediamine,
- 2-Aminothiophenol,
- Hexamethylene-tetramine-bromine,
- Microwave condition
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