Chemistry of Heterocyclic Compounds p. 894 - 898 (1989)
Update date:2022-07-30
Topics:
Desenko, S. M.
Orlov, V. D.
2,4-Diaryl-1,4-dihydropyrimido<1,2-a>benzimidazoles were obtained by the reaction of 2-aminobenzimidazole with chalcones, and their heteroaromatization was accomplished.The condensation of 1,2-diaminobenzimidazole with unsymmetrically substituted chalcones, which leads to substituted pyrimido<1,2-a>benzimidazoles, was studied.The specificity of this reaction was ascertained by means of alternative synthesis.
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(2019)
