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Phase-transfer-catalyzed preparation of spiro[2,4]-4,6-heptadienes by cycloalkylation of 1,3-cyclopentadiene with 1,2-dibromoalkanes

  • A. I. D'yachenko
  • L. G. Menchikov
  • O. M. Nefedov
Brief Communications

Conclusions

Cycloalkylation of cyclopentadiene with 1, 2-dibromo-n-alkanes with phase-transfer catalysis affords the spiro[2,4]-4,6-heptadienes in 70–85% yields. When the original 1, 2-dibromoalkanes contained one or two bromine atoms attached to tertiary carbon, none of the spiro[2,4]heptadienes were obtained.

Keywords

Catalysis Bromine Spiro Bromine Atom Cyclopentadiene 
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 1985

Authors and Affiliations

  • A. I. D'yachenko
    • 1
  • L. G. Menchikov
    • 1
  • O. M. Nefedov
    • 1
  1. 1.N. D. Zelinskii Institute of Organic ChemistryAcademy of Sciences of the USSRMoscow

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