Phytochrome models. 11. Photophysics and photochemistry of phycocyanobilin dimethyl ester

Phycocyanobilin dimethyl ester undergoes a self-sensitized oxidation by a singlet oxygen (O sub(2)( super(1) Delta sub(g))) mechanism with a quantum yield of 10 super(-5)-10 super(-6), depending on the solvent, excitation wavelength, and concentration. The main photooxidation products are a tripyrro...

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Bibliographic Details
Published in:Journal of the American Chemical Society 1991-09, Vol.113 (19), p.7322-7334
Main Authors: Braslavsky, Silvia E, Schneider, Dagmar, Heihoff, Klaus, Nonell, Santiago, Aramendia, Pedro F, Schaffner, Kurt
Format: Article
Language:English
Subjects:
oxidation
oxygen
phycocyanobilin dimethyl ester
radicals
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Summary:Phycocyanobilin dimethyl ester undergoes a self-sensitized oxidation by a singlet oxygen (O sub(2)( super(1) Delta sub(g))) mechanism with a quantum yield of 10 super(-5)-10 super(-6), depending on the solvent, excitation wavelength, and concentration. The main photooxidation products are a tripyrrolic aldehyde and three stereoisomeric peroxides.
ISSN:0002-7863
1520-5126
DOI:10.1021/ja00019a033