Lee, Kheng H. (1970) Polar effects in hydrogen abstraction from benzaldehydes—II : Radical chlorination by CCl3SO2Cl. Tetrahedron, 26 (5). pp. 1503-1507. ISSN 0040-4020, DOI https://doi.org/10.1016/S0040-4020(01)92979-5.
Full text not available from this repository.Abstract
The relative rates of chlorination of substituted benzaldehydes with CCl3SO2Cl (I) have been determined in dilute CCl4 solution at 80° by means of competitive reactions using p-diethylbenzene as reference standard. A polar effect (ρ{variant} = -0·54) correlated by the Hammett equation with the σ constant was found to differ from the value (-0·74) previously reported for BrCCl3. Different selectivity values were obtained for I and BrCCl3 toward benzaldehyde, ethylbenzene, benzyl methyl ether, benzhydryl methyl ether, and benzyl benzhydryl ether. These results indicate that the CCl3SO2 radical is mainly responsible for benzylic hydrogen-abstraction. © 1970.
| Item Type: | Article |
|---|---|
| Funders: | UNSPECIFIED |
| Additional Information: | Lee, K.H.; Department of Chemistry, University of Malaya, Malaysia |
| Uncontrolled Keywords: | Polar effects; hydrogen abstraction; benzaldehydes-II; radical chlorination |
| Subjects: | Q Science > Q Science (General) Q Science > QD Chemistry |
| Divisions: | Faculty of Science > Department of Chemistry |
| Depositing User: | Mr Jasny Razali |
| Date Deposited: | 09 Mar 2021 00:49 |
| Last Modified: | 09 Mar 2021 00:49 |
| URI: | http://eprints.um.edu.my/id/eprint/24697 |
Actions (login required)
 |
View Item |
