Title

PHOTOOXYGENATION OF MESO‐TETRAPHENYLPORPHYRIN METAL COMPLEXES

Document Type

Article

Publication Date

1-1-1982

Abstract

Abstract Cadmium(II), zinc(II), magnesium(II), and bis‐[thallium(I)] complexes of meso‐tetraphenyl‐porphyrin undergo unsensitized photooxygenation to yield a bilitriene derivative as the final product. The reaction has previously been shown to involve singlet oxygen (Matsuura et al., 1980); on the basis of mass spectrometry of products from 16O2 and 18O2 experiments, and characterization of the initial photoproduct, the reaction is shown to proceed by a mechanism in which one oxygen molecule adds to the metalloporphyrin to give a metallobilitriene. In the subsequent work‐up, demetalation and addition of two hydrogen atoms gives the final product. Copyright © 1982, Wiley Blackwell. All rights reserved

Publication Source (Journal or Book title)

Photochemistry and Photobiology

First Page

147

Last Page

152

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