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|Title:||C-H Hyperconjugation in α-chlorocarbocations|
|Source:||Mesić, M.,Novak, I.,Sunko, D.E.,Vančik, H. (1998-11). C-H Hyperconjugation in α-chlorocarbocations. Journal of the Chemical Society. Perkin Transactions 2 (11) : 2371-2374. ScholarBank@NUS Repository.|
|Abstract:||The lowering of Cβ-H stretching frequencies in carbocations 1a-d and 2a-c induced by hyperconjugation was tested as a possible probe for estimating the electron donating ability of α-substituents. Conclusions are based on the results of high level quantum chemical calculations confirmed with experimental FT-IR spectra. Because the decrease in the Cβ-H stretching frequency is comparable in 1b and in 1c, and in 2b and 2c respectively, it follows that α-substitution by a methyl group or by chlorine stabilizes a carbocation with almost the same effectiveness.|
|Source Title:||Journal of the Chemical Society. Perkin Transactions 2|
|Appears in Collections:||Staff Publications|
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