Chemistry of Heterocyclic Compounds

, Volume 44, Issue 4, pp 435–441 | Cite as

Reaction of substituted 1,2,8,9-tetraazadispiro[4.1.4.3]tetradeca-1,8-dien-6-ones and 1,2,8,9-tetraazadispiro[4.1.4.2]trideca-1,8-dien-6-ones with chlorine

  • A. P. Molchanov
  • A. A. Eremeeva
  • J. Kopf
  • R. R. Kostikov
Article

Abstract

Reaction of 4,11-diaryl-1,2,8,9-tetraazadispiro[4.1.4.3]tetradeca-1,8-dien-6-ones and-dispiro[4.1.4.2]trideca-1,8-dien-6-ones with chlorine gives substituted dispirocyclic compounds containing a 3-chloro-1-pyrazoline fragment which loses nitrogen on heating to give spirocyclic chlorocyclopropanes.

Keywords

diazomethane pyrazolines cyclopropane 

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Copyright information

© Springer Science+Business Media, Inc. 2008

Authors and Affiliations

  • A. P. Molchanov
    • 1
  • A. A. Eremeeva
    • 1
  • J. Kopf
    • 2
  • R. R. Kostikov
    • 1
  1. 1.St. Petersburg State UniversitySt. PetersburgRussia
  2. 2.Inorganic Chemistry InstituteHamburgGermany

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