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A salt, ester, or anion of methanesulfonic acid. Also called methanesulfonate.

[me(thane)s(ulfonic acid) + -yl + -ate.]
References in periodicals archive ?
2-Propenyl-4,4-dimethyl-2-oxazoline, 1, was synthesized by acylation of 2-amino-2-methyl propanol with crotonyl chloride and subsequent ring closure upon treatment with mesyl chloride.
The benzyl groups of 6 were removed by boron tribromide in dichloromethane and replaced with mesyl groups resulting in compound 8.