Tetrahedron Letters p. 3183 - 3186 (1984)
Update date:2022-07-31
Topics:
Monjoint, Pierre
Ruasse, Marie-Francoise
Kinetics of the reaction of 1-tosyl-3-methyl-imidazolium chloride with various amines were measured to examine the nature of sulfonyl transfer in enzymatic reactions.The activations parameters and the value of the Broensted exponent, β=0.48, are consistent with a small degree of bonding between the entering amine and the sulfur atom in the transition state.Similarities in the nucleophilic behavior of sulfonyl and carbonyl groups are detected.
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