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1,2-Disubstituted benzimidazoles play an important role in several areas and particularly as drug discovery targets. Herein, several methods to assemble these structures are reviewed, from the classical approaches to the more recently developed metal-catalyzed intramolecular amination process, the cascade arylamination/condensation reaction and polymer-supported benzimidazole assembly under microwave conditions.
Carvalho et al. (Tue,) studied this question.
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