Heterocycles

Organic reactions in ionic liquids: a simple highly regioselective or regiospecific substitutions of benzotriazole

ZG Le, ZC Chen, Y Hu, QG Zheng

Index: Le, Zhang-Gao; Chen, Zhen-Chu; Hu, Yi; Zheng, Qin-Guo Heterocycles, 2004 , vol. 63, # 5 p. 1077 - 1081

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Citation Number: 16

Abstract

Abstract-In the absence of any added base in ionic liquids [Bmim][BF4], benzotriazole replaces the halogen atom of an α-halogenated ketone or α-halogenated carboxylic ester to give the corresponding N-1-substituted benzotriazole as the only isomer, and 1-chloro-2, 4- dinitrobenzene reacted similarly with benzotriazole to afford the N-1-substituted benzotriazole in a good yield. Alkyl halides reacted regioselectively to afford the N-1- ...

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