Abstract
Cyclization of N-(1-aryl-1-chloro-2,2,2-trifluoroethyl)-N'-arylcarbodiimides with 3-substituted 1-phenylpyrazol-5-ones yields 6-aryl-4-arylimino-1-phenyl-6-trifluoromethyl-1,4,5,6-tetrahydropyrazolo[4,3-e][1,3]oxazines.
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Bol'but, A.V., Dorokhov, V.I., Sukach, V.A. et al. Heterocyclizations of Functionalized Heterocumulenes with C,N- and C,O-Dinucleophiles: III.* Cyclization of N-(1-Aryl-1-chloro-2,2,2-trifluoroethyl)-N'-arylcarbodiimides with 3-Substituted 1-Phenylpyrazol-5-ones. Russian Journal of Organic Chemistry 39, 1789–1791 (2003). https://doi.org/10.1023/B:RUJO.0000019745.17921.9a
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DOI: https://doi.org/10.1023/B:RUJO.0000019745.17921.9a