Process for preparing sulfonyl acids

Details Process for preparing sulfonyl acids Process for preparing sulfonyl acids

C - Chemistry, Metallurgy

07

C

260/512, 260/518

C07C 315/00 (2006.01) C07C 315/02 (2006.01) C07C 317/44 (2006.01)

Patent

CA 2026593

05-21(7756)A PROCESS FOR PREPARING SULFONYL ACIDS ABSTRACT OF THE INVENTION There is disclosed a process for preparing sulfonyl acids from mercaptans in a single reactor. The mercaptan is converted to mercaptide and reacted with a lactone or lactam in an organic solvent which is removed after formation of a thioether containing acid. Water is provided as a solvent for the oxidation of the thioether to the sulfone. Mild conditions and readily available starting materials render the method capable of preparing such acids in large scale amounts.

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