Abstract
It is shown that formazan-type compounds can be synthesized by coupling diazonium salts with nitrogen containing N-aryllepidine salts. N-phenyllepidinium perchlorate is used to prepare 8 dyes of the type mentioned.
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Pilyugin, G.T., Shinkorenko, S.V., Stashkevich, O.M. et al. Researches on synthetic dyes. Chem Heterocycl Compd 2, 295–297 (1967). https://doi.org/10.1007/BF00742372
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DOI: https://doi.org/10.1007/BF00742372