PHOTOOXYGENATION OF 3-HYDROXYFLAVONE IN A 12 K O2 MATRIX |
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| Authors: | PI-TAI CHOU SHANNON L STUDER MARTY L MARTINEZ EDWARD ORTON MARK YOUNG † |
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| Institution: | Department of Chemistry, University of South Carolina, Columbia, SC 29208, USA;Laboratory of Chemical Biodynamics, Lawrence Berkeley Laboratory, University of California, Berkeley, CA 94720, USA |
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| Abstract: | Abstract— We present an infrared study of 3-hydroxyflavone in 12 K Ar and O2 matrices. Although it is extremely photostable in an Ar matrix, a remarkable oxygenation reaction for 3-hydroxyflavone takes place upon photoexcitation in an O2 matrix. The primary photoproduct is concluded to be a keto-hydroperoxide. On further photolysis the keto-hydroperoxide affords the photostable secondary product 2-(benzoyloxyl)benzoic acid, as well as CO and CO2 through two independent pathways. |
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