Kinetics of α-chlorination of sulphoxides by iodobenzene dichloride
- 1 January 1972
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Perkin Transactions 2
- No. 3,p. 296-300
- https://doi.org/10.1039/p29720000296
Abstract
The kinetics of the reaction of sulphoxides with iodobenzene dichloride and pyridine in acetonitrile to give α-chloro-sulphoxides has been studied. The data indicate that the reaction proceeds through α-chlorosulphoxonium salts which by attack of base collapse to α-chlorosulphoxides. The last step is rate-determining for substrates deactivated by electron-withdrawing and sterically hindered groups.Keywords
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