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Polymethine dyes from isomeric 2-methylthionaphthenothiazoles

IV. Derivatives of thieno[2, 3-g]benzothiazole as dyes

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Chemistry of Heterocyclic Compounds Aims and scope

Abstract

The structure of 2-methylthieno[2, 3-g]benzothiazole, previously obtained by potassium ferricyanide oxidation of 5-thioacetylaminothionaphthene in alkaline solution, is proved. A synthesis of this base is effected by heating 5, 5′-diacetylamino-4, 4′-dithionaphthenyldisulfide with zinc dust in acetic acid-acetic anhydride. Quino-(2)monomethyl-, carbo-, mero-, dimero-, and thiocyanato dyes are obtained, as well as styryl dyes containing a thieno[2, 3-g]benzothiazole group, and their colors are investigated.

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Authors and Affiliations

  1. Branch of the All-Union Scientific Research Motion Picture Institute, Shostka

    Z. I. Moskalenko & M. A. Al'perovich

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  1. Z. I. Moskalenko
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  2. M. A. Al'perovich
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For Part III see [1]

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Moskalenko, Z.I., Al'perovich, M.A. Polymethine dyes from isomeric 2-methylthionaphthenothiazoles. Chem Heterocycl Compd 3, 505–507 (1967). https://doi.org/10.1007/BF00481584

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  • DOI: https://doi.org/10.1007/BF00481584

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