Asian Journal of Chemistry

Ultrasound Promoted Simple and Efficient N-Alkylation of 2-Substituted Benzimidazoles

PNK Babu, BR Devi, PK Dubey

Index: Babu, P. N. Kishore; Devi, B. Rama; Dubey, P. K. Asian Journal of Chemistry, 2012 , vol. 24, # 12 p. 5756 - 5758,3

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Abstract

Abstract N-Alkylation of 2-chlorobenzimidazole was carried out using different alkylating agents under ultrasound irradiation technique. These reactions were completed in shorter times and with higher percentage of yields. Among all the green solvents, triethanolamine was found to be very effective and also acts as a base. The above reaction conditions were extended to other 2-substituted benzimidazoles. Thus, a simple and efficient route for N- ...