Abstract
4-Trifluoromethyl-3,4-dihydro-1,3,5-triazino[2,1-a]isoindol-2-ones were prepared by reaction of 1-aryl-1-chloro-2,2,2-trifluoroethyl isocyanates with 3-amino-1-arylimino-1H-isoindoles in the presence of triethylamine. In some events alongside the main product isomeric 2-trifluoromethyl-2,3-dihydro-1,3,5-triazino[2,1-a]isoindol-4-ones were obtained. The regioselectivity of the reaction is affected by sterical and electronic characteristics of substituents and by temperature.
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Original Russian Text © A.V. Biitseva, O.V. Gordienko, M.Yu. Kornilov, V.A. Sukach, M.V. Vovk, O.V. Shishkin, V.V. D’yakonenko, 2007, published in Zhurnal Organicheskoi Khimii, 2007, Vol. 43, No. 2, pp. 271–277.
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Biitseva, A.V., Gordienko, O.V., Kornilov, M.Y. et al. Synthesis of 4-trifluoromethyl-3,4-dihydro-1,3,5-triazino[2,1-a]isoindol-2-ones by cyclocondensation of 1-aryl-1-chloro-2,2,2-trifluoroethyl isocyanates with 3-amino-1-arylimino-1H-isoindoles. Russ J Org Chem 43, 263–270 (2007). https://doi.org/10.1134/S1070428007020182
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DOI: https://doi.org/10.1134/S1070428007020182