M. M. El’chaninov, A. Simonov, V. Kosenko
Apr 1, 1981
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Journal
Chemistry of Heterocyclic Compounds
Abstract
A number of new derivatives of 1-methyl-2-(5′-methyl-2′-hetaryl)benzimidazole were synthesized by electrophilic substitution. The substituent enters the β position of the 4′-hetaryl ring. A furan ring that contains a methyl group in the 5′ position undergoes profound destructive oxidation under the influence of acetyl nitrate. Depending on the conditions, bromination leads to the formation of bromo derivatives that are substituted in the benzene or hetaryl ring.