Bulletin of the Chemical Society of Japan
Online ISSN : 1348-0634
Print ISSN : 0009-2673
ISSN-L : 0009-2673
Mechanisms of Singlet and Triplet Sensitized Decomposition of Bis(2-phenylbenzoyl) Peroxide
Akihide KitamuraHiroharu TanikawaKunio OohashiHirochika SakuragiKatsumi Tokumaru
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1983 Volume 56 Issue 12 Pages 3786-3790

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Abstract

Bis(2-phenylbenzoyl) peroxide (2-PhBPO) was found to decompose on singlet and triplet sensitized irradiations in benzene and carbon tetrachloride. The quantum yields were determined to be 0.48 and 0.43 on direct excitation and chrysene sensitization in benzene, respectively, and 0.62 and 0.60 on benzophenone and 3′-methoxyacetophenone sensitizations in carbon tetrachloride, respectively. The reaction mechanisms are discussed from the standpoint of the modes of bond cleavage.

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