Abstract
The reaction of 1,2-diamino-4,5-diphenylimidazole with 3-aroyl-2-propanonoic acid yields 2-aroylmethyl-6,7-diphenylimidazo[1,2-b]-1,2-4-triazin-4H-3-one. The cyclization pathways of these imidazoriazines leading to condensed furo[2,3-e]-, thieno[2,3-e]-, pyrrolo[2,3-e]-, and furo[3,2-e]limidazo[1,2,-b]-1,2,4-triazines were studied. A mass spectrometric study was carried out on the decomposition of these products upon electron impact.
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For Communication 27, see [1].
Kherson Industrial Institute, 325008 Kherson, Ukraine. A. N. Severtsov Institute of Ecology and Evolution, Russian Academy of Sciences, 117071 Moscow. Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 2, pp. 258–262, February, 1998.
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Kruglenko, V.P., Klyuev, N.A., Povstyanoi, M.V. et al. Condensed imidazo-1,24-azines. 28. Synthesis and transformations of 2-aroylmethyl-6,7.-diphenylimidazo-[1,2-b]-1,2,4-triazin-4H-3-ones. Chem Heterocycl Compd 34, 232–236 (1998). https://doi.org/10.1007/BF02315190
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DOI: https://doi.org/10.1007/BF02315190