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Chemistry of Heterocyclic Compounds

, Volume 25, Issue 11, pp 1254–1258 | Cite as

Oxidative coupling of 4a,9-diaza-1,2,4a,9a-tetrahydrofluorenes. 1. Synthesis of mononuclear heterocyclic quinonediimines

  • O. Yu. Slabko
  • V. A. Kaminskii
  • M. N. Tilichenko
Article

Abstract

Oxidative coupling of 4a,9-diaza-1,2,4a,9a-tetrahydro-9H-fluorene with primary amines and ammonia in the presence of MnO2 gives the corresponding 6-aryl (or alkyl)imino-4a,9-diaza-1,2,4a,9a-tetrahydro-6H-fluorenes. Coupling with thiourea under these conditions affords 6-cyanoimino-4a,9-diaza-1,2,4a,9a-tetrahydro-6H-fluorenes.

Keywords

Ammonia Organic Chemistry MnO2 Thiourea Primary Amine 
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

© Plenum Publishing Corporation 1990

Authors and Affiliations

  • O. Yu. Slabko
    • 1
  • V. A. Kaminskii
    • 1
  • M. N. Tilichenko
    • 1
  1. 1.Far Eastern State UniversityVladivostok

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