The cyclization has been studied of N-(2-cyclopent-1-en-1-ylphenyl)benzamides into the corresponding 3,1-benzoxazines by the action of gaseous hydrogen chloride, trifluoroacetic acid, or bromine, and also under conditions of electron impact in the gas phase. A scheme is proposed for the fragmentation of the molecular ions of the products obtained.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 3, pp. 432–440, March, 2011.
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Kazaryants, S.A., Erastov, A.S., Galkin, E.G. et al. Cyclization of N-(2-cyclopent-1-en-1-ylphenyl)benzamides in solution and under mass-spectrometric conditions. Chem Heterocycl Comp 47, 355–362 (2011). https://doi.org/10.1007/s10593-011-0764-6
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DOI: https://doi.org/10.1007/s10593-011-0764-6