Rates of oxidation of thioketones by singlet oxygen |
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| Affiliation: | 1. Department of Chemistry, School of Chemical Sciences, Central University of Karnataka, Kalaburagi, 585367, Karnataka, India;2. School of Chemical Sciences, Goa University, Taleigao Plateau, Goa, 403206, India;1. Department of Chemistry, North Carolina State University, Raleigh, NC, 27695-8204, United States;2. Department of Chemistry, University of California, Riverside, CA, 92521- 0403, United States;3. Department of Chemistry, Washington University, St. Louis, MO, 63130- 4889, United States |
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| Abstract: | Rate constants for the quenching of singlet oxygen by a series of thioketones were measured by monitoring the inhibition of the self-sensitized photooxidation of rubrene. A correlation of the quenching rate with the nature of the substituents on the aromatic rings for the diarylthioketones and arylalkylthioketones was found, whereas correlation with the n orbital ionization potential was observed for the dialkylthioketones. |
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