Research in the field of imidazo[1,2-a]benzimidazole derivatives: XXVII. 1-acylmethyl-2-(ω-hydroxyalkylamino)-benzimidazoles and their transformation into derivatives of tricyclic systems

1-Acylmethyl-2-(ω-hydroxyalkylamino)benzimidazoles were synthesized and their behavior under various conditions was investigated: at the thermolysis without solvent, at heating in DMF or in 2-aminoethanol, hydrohalic acids, and acetic anhydride, in the presence of chlorinating agents (SOCl₂, POCl₃)....

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Bibliographic Details
Published in:Russian journal of organic chemistry 2010-02, Vol.46 (2), p.275-285
Main Authors: Anisimova, V. A, Tolpygin, I. E, Borodkin, G. S
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Organic Chemistry
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Summary:1-Acylmethyl-2-(ω-hydroxyalkylamino)benzimidazoles were synthesized and their behavior under various conditions was investigated: at the thermolysis without solvent, at heating in DMF or in 2-aminoethanol, hydrohalic acids, and acetic anhydride, in the presence of chlorinating agents (SOCl₂, POCl₃). Depending on the reaction conditions derivatives were obtained of 1H-imidazo[1,2-a]-benzimidazole, 9H-2,3-dihydroimidazo[1,2-a]benzimidazole, and 10H-2,3,4,10-tetrahydropyrimido[1,2-a]-benzimidazole that were suitable synthons for the synthesis of functionally substituted derivatives of these tricyclic systems.
ISSN:1070-4280
1608-3393
DOI:10.1134/S1070428010020223