Photochemical Ring-Opening in 20-Chloro-Chlorophylls

  • A. Struck
  • E. Cmiel
  • S. Schneider
  • H. Scheer


Chlorophyll (Chl) derivatives are readily and regiospecifically chlorinated at C-20, the free methine-bridge next to the reduced ring D (1–3). The interest in chlorinated chlorophylls has recently been renewed after their isolation from extracts of various green plants, algae and cyanobacteria (4–9) and a suggested relation to photosystem I of oxygenic photosynthesis (4, 5). This relation, and hence the involvement in photosynthesis, has been met with criticism and now been disproved (8, 10–12).


Oxygenic Photosynthesis Photosynthesis Research Bile Pigment Chlorophyll Breakdown Photodynamic Damage 
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Copyright information

© Springer Science+Business Media New York 1990

Authors and Affiliations

  • A. Struck
    • 1
  • E. Cmiel
    • 2
  • S. Schneider
    • 2
    • 3
  • H. Scheer
    • 1
  1. 1.Botanisches InstitutUniversität MünchenMünchen 19Germany
  2. 2.Institut für Physikalische ChemieTechnischen Universität MünchenGarchingGermany
  3. 3.Institut für Physikalische und Theoretische Chemie der UniversitätErlangenGermany

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