Abstract
Some nucleophilic substitution reactions of 2-methylmercapto-3-methylthiazolo[4,5-b]phenothiazinium methosulfate were studied. Cleavage of the latter with alcoholic alkali gives bis(2-2-methylamino-3-phenothiazinyl) disulfide; cleavage and subsequent alkylation gives new disubstituted phenothiazines.
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See [1] for communication XXXVI.
Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 5, pp. 643–645. May. 1974.
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Shavyrina, V.V., Zhuravlev, S.V. Syntheses in the phenothiazine series. Chem Heterocycl Compd 10, 556–558 (1974). https://doi.org/10.1007/BF00471326
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DOI: https://doi.org/10.1007/BF00471326