Abstract
The synthesis of 2-hydrazinonaphth[2, 1-d]thiazole is effected, and its ability to undergo autoxidation in ethanol solution to give 1, 5-di(naphth[2, 1-d]thiazolyl-2)-3-methylformazan is established. Unsymmetrical 1-naphth[2, 1-d]thiazolyl-5-tolyl-3-aryl(or methyl) formazans are obtained by coupling a p-tolyldiazonium compound with the appropriate 2-hydrazinonaphth[2, 1-d]thiazole hydrazones.
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For Part XIX see [3].
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Tyurenkova, G.N., Bednyagina, N.P. Research on benz- and naphthazoles. Chem Heterocycl Compd 3, 720–722 (1967). https://doi.org/10.1007/BF00468358
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DOI: https://doi.org/10.1007/BF00468358