NEW EASY ONE-POT SYNTHETIC ROUTES OF 2-ARYLBENZIMIDAZOLES

HETEROCYCLIC LETTERS（2021）

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摘要

One-pot condensation of 1,2-phenylenediamine with phenacyl cyanides affords high yields of the corresponding 2-arylbenzimidazoles. The same products are also obtained through similar condensation of phenylenediamine either with phenacyl thiocyanates or with benzylidenemalononitriles.

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关键词

2-Arylbenzimidazole, 1,2-Phenylenediamine, Phenacyl cyanide, Phenacyl thiocyanate, Benzylidenemalononitrile, 2-Amino1,5-benzodiazepine

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