Direct and triplet-benzene-sensitized photolysis of

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PHYSICAL CHEMISTRY Registered in U.S. Patent Office 0 Copyright, 1975, by the American Chemical Society

VOLUME 79, NUMBER 3 JANUARY 30, 1975

Direct and Triplet-Benzene-Sensitized Photolysis of Perfluorocyclobutanone at Low Pressures Roger S. Lewis and Edward K. C. Lee* Department of Chemistry, University of California, Irvine, California 92664 (Received July 18, 1974) Publicatlon costs assisted by the Office of Naval Research

Perfluorocyclobutanone (PFCB) has been produced in its triplet state (TI) by the triplet benzene (3Blu, 84.5 kcal/mol) sensitization method, and the T1 state decomposes mainly to c- C ~ F and G CO. Investigation of the direct photolysis of PFCB at low pressure (