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Chemistry of Heterocyclic Compounds

, Volume 49, Issue 2, pp 350–352 | Cite as

Synthesis of condensed [1,2,3]triazolo-[5,1-b][1,3,4]thiadiazepine systems

  • T. A. Kalinina
  • D. V. Shatunova
  • T. V. Glukhareva
  • Yu. Yu. Morzherin
Article
In contemporary organic chemistry, rearrangements and transformations of one type of heterocycle to another are promising and convenient methods for the preparation of heterocyclic structures difficult to obtain by other means. However, these reactions are rarely used as a planned method for preparing heterocyclic systems. 1,2,3-Thiadiazoles are convenient starting materials for carrying out various rearrangements. Several rearrangements of 1,2,3-thiadiazoles involving a substituent in the ring position 5 are known [ 1, 2, 3], but only a few of these lead to the preparation of condensed 1,2,3-triazoles. Thus, for example, methods are known for the synthesis of [1,2,3]triazolo[5,1- b][1,3,4]thiadiazines using the Dimroth rearrangement [ 4, 5].

Keywords

pyrazoles quinolines 1,3,4-thiadiazepines 1,2,3-thiadiazoles 1,2,3-triazoles Dimroth rearrangement 

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Copyright information

© Springer Science+Business Media New York 2013

Authors and Affiliations

  • T. A. Kalinina
    • 1
  • D. V. Shatunova
    • 1
  • T. V. Glukhareva
    • 1
  • Yu. Yu. Morzherin
    • 1
  1. 1.Ural Federal University named after the First President of Russia B. N. YeltsinYekaterinburgRussia

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