Abstracts of Symposium on Physical Organic Chemistry
19th Symposium on Fundamental Organic Chemistry
Session ID : B05
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Oral Presentation
On the Competitive Reaction Pathways of Diarylethanal Radical Cations Generated by Photoinduced Electron Transfer
*Ryoichi AkabaKazusada MotegiKoji KawaseTsuyoshi SumiyaKazufumi InoueMasaki Kamata
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Abstract
Photroinduced electron transfer reactions have been carried out for several diaryethanals to study the reactivity of their radical catons with 2,4,6-triphenylpyrilium salts as a sensitizer in dichloromethane. Laser flash photolyses have shown that the radical cations are actually formed and they may undergo C-C bond cleavage and/or deprotonation finally giving benzophenone derivatives in the presence of oxygen. The reactivity will be analyzed and discussed on the basis of the results of molecular orbital calculations with PM3 and DFT/6-31G(d) levels of theory.
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© 2008 by the Organizing Comittee of 19th Symposium on Fundamental Organic Chemistry
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