Chemistry of Heterocyclic Compounds

, Volume 3, Issue 2, pp 505–507 | Cite as

Polymethine dyes from isomeric 2-methylthionaphthenothiazoles

IV. Derivatives of thieno[2, 3-g]benzothiazole as dyes
  • Z. I. Moskalenko
  • M. A. Al'perovich


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.


EtOH Benzothiazole Ethylidene Zinc Dust Quino 
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Copyright information

© The Faraday Press, Inc. 1969

Authors and Affiliations

  • Z. I. Moskalenko
    • 1
  • M. A. Al'perovich
    • 1
  1. 1.Branch of the All-Union Scientific Research Motion Picture InstituteShostka

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