Abstract
Arene- and alkanesulfonamides were prepared by treat- ment of the corresponding sodium sulfonates with triphenylphos- phine dibromide or dichloride followed by amines in the presence of triethylamine via sulfonyl halides. Reactions of sodium amino- sulfonates gave cyclized products. Amidation of p-toluenesulfonic acid with triphenylphosphine dichloride was also examined to give N-benzyl-p-toluenesulfonamide. Methyl p-toluenesulfonate was obtained by esterification of sodium p-toluenesulfonate via p- toluenesulfonyl chloride.
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