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Chemistry of Heterocyclic Compounds

, Volume 4, Issue 3, pp 349–352 | Cite as

Cyanine dyes from seven-membered heterocyclic systems

V. Dyes in the benzo[b]cyclohexano[f]- and -[e]-1,4-thiazepine series
  • L. K. Mushkalo
  • N. K. Mikhailyuchenko
Article
  • 25 Downloads

Abstract

The condensation of o-aminothiophenol with tetrahydroacetophenone, 2-ethylidenecyclohexanone, and 2-benzylidenecyclohexanone and also the condensation of N-methyl-o-aminothiophenol with 2-benzylidenecyclohexanone has given the bases of derivatives of benzo[b]cyclohexano[f]- and -[e]-1,4-thiazepines. From the hydrochlorides, perchlorates, and quaternary salts of these bases, cyanine dyes have been synthesized. The dyes—norcyanines—exhibit solvatochromism, which is explained by the existence of a hydrogen bond between the molecules of the dye and an alcohol.

Keywords

Hydrogen Alcohol Hydrogen Bond Organic Chemistry Hydrochloride 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© The Faraday Press, Inc. 1970

Authors and Affiliations

  • L. K. Mushkalo
    • 1
  • N. K. Mikhailyuchenko
    • 1
  1. 1.Kiev State UniversityUSSR

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