Triplet energy sensitization of a crystalline phase photorearrangement

作者: Miguel Garcia-Garibay , John R. Scheffer , James Trotter , Fred Wireko

DOI: 10.1016/S0040-4039(00)95409-1

关键词: XanthonePhotosensitizerMoleculeSinglet stateChemistryTriplet statePhotochemistrySolid solutionPhase (matter)Photodissociation

摘要: Abstract Direct irradiation of crystals dibenzobarrelene leads mainly to dibenzocyclooctatetraene, the singlet product, whereas photolysis solid solutions with various crystalline triplet energy sensitizers exclusively dibenzosemibullvalene, photoproduct. Graphical analysis extent maximum conversion in sensitized runs versus sensitizer (xanthone) concentration indicates that one xanthone molecule can photosensitize formation up 24 product molecules.

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