Chemistry of Heterocyclic Compounds

, Volume 20, Issue 4, pp 383–388 | Cite as

Porphyrins. 16. Thermolysis of schiff bases of meso-formylporphyrins — A convenient method for the synthesis of porphyrins with a cyclopentane ring

  • G. V. Ponomarev
  • A. M. Shul'ga


A new general reaction involving the thermal decomposition of Schiff bases of meso-formyloctaalkylporphyrins, which leads to porphyrins that contain a cyclopentane ring, was discovered. The optimum conditions in the synthesis of porphyrins with substituted and unsubstituted cyclopentane rings were worked out in the case of the thermolysis of Schiff bases of meso-formyletioporphyrin I, meso-formyletioporphyrin II, and octaethylporphyrin. The synthesized compounds were characterized by data from the electronic, PMR, and mass spectra.


Mass Spectrum Organic Chemistry Optimum Condition Thermal Decomposition Porphyrin 
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Copyright information

© Plenum Publishing Corporation 1984

Authors and Affiliations

  • G. V. Ponomarev
    • 1
  • A. M. Shul'ga
    • 1
  1. 1.Institute of BiophysicsMinistry of Public Health of the USSRMoscow

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