Kinetics and mechanism of the C-S coupling reactions of aryl Grignard reagents with aryl arenesulfonates
摘要：
The kinetics of the C-S coupling of arylmagnesium bromides with phenyl tosylate has been studied in THF: toluene at 90°C. The reaction is first order in Grignard reagent and first order in phenyl tosylate. Kinetic data, Hammett relationship and activation parameters are consistent with a nucleophilic addition mechanism involving rate determining attack of carbanion to sulfonyl group followed by a fast phenoxide group leaving.
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DOI：
10.2478/s11532-008-0017-4
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年份：
2008
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