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Chemistry of Heterocyclic Compounds

, Volume 3, Issue 2, pp 513–515 | Cite as

The problem of the tautomerism of 2-iminothiazolidin-4-one and some of its derivatives

  • N. N. Khovratovich
  • I. I. Chizhevskaya
Article

Abstract

IR spectroscopy is used to investigate imino-amine tautomerism of 2-iminothiazoliin-4-one and 2-phenyl (p-tolyl, benzyl)imino derivatives of thiazolidin-4-one. It is shown that in the crystalline state 2-iminothiazolidin-4-one exists in the 2-imino form, while in solution (chloroform) it exists in the amino form. 2-Phenyl- and 2-p-tolylimino derivatives of thiazolidin-4-one exist in the imino form, while 2-benzyl-iminothiazolidin-4-one exist in the amino form.

Keywords

Imino Amino Form Imino Form Endocyclic Nitrogen Atom Exocyclic Nitrogen Atom 
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. 1969

Authors and Affiliations

  • N. N. Khovratovich
    • 1
  • I. I. Chizhevskaya
    • 1
  1. 1.Minsk Institute of Physical Organic Chemistry AS Belorussian SSRLenin Belorussian State UniversityMinsk

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