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  1. 1 2008

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  1. 1 Erdik E.

  2. 1 Eroğlu F.

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Kinetics and mechanism of the C-S coupling reactions of aryl Grignard reagents with aryl arenesulfonates

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Erdik E., Eroğlu F.
Open Chemistry
|
2008
|
vol. 6
|
issue 2
237-244
EN
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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