peri -cyclization of 11-aroylmethyl-2,3,4,5-tetrahydro[1,3]-diazepinobenzimidazoles into 2-aryl-3,4,5,6-tetrahydro-2a,6a,10b-triazabenzo[ a ]cyclopenta[ cd ]azulenium bromides

T. A. Kuz’menko; A. S. Morkovnik; L. N. Divaeva; M. V. Bogoslavtseva

doi:10.1134/S1070428017080164

peri-cyclization of 11-aroylmethyl-2,3,4,5-tetrahydro[1,3]-diazepinobenzimidazoles into 2-aryl-3,4,5,6-tetrahydro-2a,6a,10b-triazabenzo[a]cyclopenta[cd]azulenium bromides

作者: Kuz’menko T.A.¹, Morkovnik A.S.¹, Divaeva L.N.¹, Bogoslavtseva M.V.¹
隶属关系:
1. Institute of Physical and Organic Chemistry at the Southern Federal University
期: 卷 53, 编号 8 (2017)
页面: 1253-1257
栏目: Article
URL: https://journal-vniispk.ru/1070-4280/article/view/216750
DOI: https://doi.org/10.1134/S1070428017080164
ID: 216750

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详细

11-Aroylmethyl-2,3,4,5-tetrahydro[1,3]diazepinobenzimidazoles at heating in conc. HBr suffer a peri-cyclization with the closure of an additional imidazole ring involving the carbonyl group of ketone and the nitrogen atom of the diazepine ring affording previously unknown 2-aryl-3,4,5,6-tetrahydro-2a,6a,10btriazabenzo[a]cyclopenta[cd]azulenium bromides.