The Journal of Organic Chemistry

Photochemistry of phenyl alkyl ketones in the presence of triphenylphosphine

YL Chow, B Marciniak

Index: Chow, Yuan L.; Marciniak, Bronislaw Journal of Organic Chemistry, 1983 , vol. 48, # 17 p. 2910 - 2914

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Citation Number: 7

Abstract

Photolysis of butyrophenone, valerophenone, y-methylvalerophenone, and acetophenone in methanol in the presence of triphenylphosphine gave triphenylphosphine oxide and 1- phenyl-1-methoxyalkanes in addition to the expected Norrish type I1 products. Kinetic studies of these photoreactions by steady-state measurements show that triplet-state ketones are quenched by Ph3P but that the corresponding biradicals do not interact with ...

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