Abstract
The reaction of 3-phenoxazinone, benzo[c]phenoxazin-3-one, and benzo[a]phenoxazin-9-one with piperidine and other similar amines leads to replacement of a hydrogen atom in the quinoid ring in the meta-position relative to the bridge nitrogen atom. Benzo[a]phenoxazin-9-one also forms 5,10-diamino derivatives. In all cases, the amine residue is displaced by thiophenol.
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See [1] communication VII.
Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 4, pp. 464–467, April, 1974.
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Postovskii, I.Y., Pashkevich, K.I. & Afanas'eva, G.B. Research on the chemistry of phenoxazines. Chem Heterocycl Compd 10, 403–405 (1974). https://doi.org/10.1007/BF00945626
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DOI: https://doi.org/10.1007/BF00945626