RESEARCH ARTICLE

 

Synthesis of some benzimidazole-substituted benzotriazoles

 

 

Akbar Mobinikhaledi^*; Naser Foroughifar; Parvin Mohammadlu; Mehdi Kalhor

Department of Chemistry, University of Arak, Dr. Beheshti Avenue, Arak, Iran

 

 

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ABSTRACT

2-Alkylsubstituted benzimidazoles ( 3A-H: ) were prepared from the acid-catalyzed reaction of 4-methyl-1,2-phenylenediamine with corresponding carboxylic acids. Addition of these benzimidazoles to N-chloromethylbenzotriazole in the presence of sodium amide under reflux conditions gave the novel benzimidazole-substituted benzotriazoles ( 5A-F: ). IR and ¹H NMR spectroscopy and elemental analysis were used for the identification of these compounds.

Keywords: Phenylenediamine, benzimidazole, benzotriazole

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Full text available only in pdf format.

 

Acknowledgement

We thank the research committee and the Department of Chemistry of the University of Arak for providing financial support.

 

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Received 20 April 2008
Revised 30 September 2008
Accepted 10 October 2008

 

 

* To whom correspondence should be addressed. E-mail: akbar_mobini@yahoo.com