Abstracts of Symposium on Physical Organic Chemistry
55th Symposium on Organic Reactions
Session ID : P45
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Co-host: The Chemical Society of Japan, The Society of Synthetic Organic Chemistry, Japan (Cooperation)

Electronic Structures of Nonalternant Carbocations with Benzofluorenyl Structures
*Takao Okazaki, Toshiyuki Kowada, Tomomi Kinoshita
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Keywords: Carbocation, NMR, anti-aromaticity, DFT calculations, Polycyclic Aromatic Hydrocarbon
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Abstract

A fluorenyl cation was reported to be antiaromatic, since its solvolysis was faster than triphenylmethyl cation. However recently the cation was suggested to be a triplet cation or a simple conjugated carbocation on the base of results by flash photolysis, solvolysis, and theoretical calculations. Therefore we now report investigation of benzofluorenyl cations by NMR and DFT calculations.

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© 2005 by Symposium on Organic Reactions
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