A class of trinuclear imidazole-fused hybrid scaffolds was constructed by the reaction of 2-(2-bromoaryl)- and 2-(2-bromovinyl)imidazoles with 2-aminobenzimidazoles as building blocks in the presence of a base under microwave irradiation. A nucleophilic aromatic substitution followed by cyclization is proposed as a reaction pathway of this green process.
J. P. Kwak, P. D. Quang Dao, N. S. Yoon and C. S. Cho, RSC Adv., 2021, 11, 21367 DOI: 10.1039/D1RA04396J
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