Lee, K.H. (1968) Polar effects in hydrogen abstraction from benzaldehydes—I. Tetrahedron, 24 (13). pp. 4793-4803. ISSN 0040-4020, DOI https://doi.org/10.1016/S0040-4020(01)98675-2.
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Official URL: https://doi.org/10.1016/S0040-4020(01)98675-2
Abstract
The relative rates of hydrogen abstraction by the trichloromethyl radical have been determined for nine m- and p-substituted benzaldehydes by means of competitive reactions using ethylbenzene as referecne standard. A polar effect ρ{variant} = 0·74) was shown to be correlated by the Hammett equation with the σ constant, and the anomalous behaviour of the p-MeO and p-PhO substituents is discussed. The deuterium isotope effect KH/KD was found to be 2·4 at 80°. © 1968.
| Item Type: | Article |
|---|---|
| Funders: | UNSPECIFIED |
| Additional Information: | Lee, K.H. Dept. of Chemistry, University of Malaya, Malaysia. |
| Uncontrolled Keywords: | Polar effects; hydrogen abstraction; benzaldehydes-I.; trichloromethyl radical |
| Subjects: | Q Science > Q Science (General) Q Science > QD Chemistry |
| Divisions: | Faculty of Science > Department of Chemistry |
| Depositing User: | Ms. Juhaida Abd Rahim |
| Date Deposited: | 02 Nov 2020 02:42 |
| Last Modified: | 02 Nov 2020 02:42 |
| URI: | http://eprints.um.edu.my/id/eprint/25605 |
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