Abstract
The reaction of o-aminophenol with 4- and 4′-substituted chalcones and benzalacetones in methanol (with a tertiary amine as the catalyst), which leads to products of β addition of 2-aminophenoxazin-3-one to the C=C bond of an unsaturated ketone, was investigated. The activating role of the unsaturated ketone in the formation of a phenoxazine fragment was examined. The structures of the synthesized compounds were confirmed by IR, UV, PMR, and mass spectrometry.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 6, pp. 747–752, June, 1981.
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Orlov, V.D., Kolos, N.N., Rozhko, L.I. et al. Phenoxazine derivatives — products of the reaction of o-aminophenol with chalcones. Chem Heterocycl Compd 17, 544–548 (1981). https://doi.org/10.1007/BF00503476
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DOI: https://doi.org/10.1007/BF00503476