Abstract
2,5-Diarylamino-1,4-benzoquinone-4-phenylimines, which are formed in the reaction of 1,4-benzoquinone-4-phenylimine with aromatic amines, are converted under oxidative conditions to products of intramolecular oxidative cyclization, viz., 2-arylamino-5-aryl-3-phenazinones.
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See [4] for Communication 2.
Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 3, pp. 330–333, March, 1984.
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Tsoi, E.V., Afanas'eva, G.B. & Chupakhin, O.N. Research in the chemistry of heterocyclic quinoneimines. 3. Oxidative cyclization of 2,5-diarylamino-substituted 1,4-benzoquinone-4-phenylimines — Simple method for the preparation of 2-arylamino-5-aryl-3-phenazinones. Chem Heterocycl Compd 20, 263–267 (1984). https://doi.org/10.1007/BF00515634
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DOI: https://doi.org/10.1007/BF00515634