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Benzazoles: IV. Reaction of 1,3-Dihydro-2H-benzimidazol-2-ones with Chlorosulfonic Acid

Yu. R. TakhirovUrgench State University, 220100, Urgench, UzbekistanD. A. DushamovUrgench State University, 220100, Urgench, UzbekistanRustamkhon KuryazovUrgench State University, 220100, Urgench, UzbekistanR. M. UsmonovUrgench State University, 220100, Urgench, Uzbekistan

Russian Journal of Organic Chemistryjournal2024en

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Annotatsiya

1,3-Dihydro-2H-benzimidazol-2-ones reacted with chlorosulfonic acid at 50–60°C to give 5-chlorosulfonyl-1,3-dihydro-2H-benzimidazol-2-ones regardless of the reactant ratio (1:1 to 1:5). 5-Chloro-1,3-dihydro-2H-benzimidazol-2-ones failed to react with chlorosulfonic acid at 50–60°C, and the corresponding 5-chloro-6-chlorosulfonyl derivatives were obtained at 110–120°C.

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Mavzular

Synthesis and Reactions of Organic Compounds Synthesis and Characterization of Heterocyclic Compounds Synthesis and Biological Evaluation

Identifikatorlar

DOI: 10.1134/s1070428024090112

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