Abstract
3-Phenothiazone reacts with primary and secondary aliphatic and aromatic amines to give 2- and 7-monoamino derivatives. Replacement of the bridge oxygen atom of 3-phenoxazinone by a sulfur atom leads to an increase in the reactivity of the 7 position and to a bathochromic shift of the long-wave absorption band in the electronic spectrum.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 3, pp. 353–357, March, 1975.
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Pashkevich, T.K., Afanas'eva, G.B., Pashkevich, K.I. et al. Direct amination of 3-phenothiazone. Chem Heterocycl Compd 11, 308–312 (1975). https://doi.org/10.1007/BF00470076
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DOI: https://doi.org/10.1007/BF00470076