2-ketosulfonamides and a process for their preparation

Details 2-ketosulfonamides and a process for their preparation 2-ketosulfonamides and a process for their preparation

C - Chemistry, Metallurgy

07

C

260/542.8

C07C 143/74 (1980.01)

Patent

CA 1184936

- 1 - Abstract of the disclosure: The invention relates to new 2-ketosulfonamides of the general formula Image and to a process for their preparation, which process comprises oxidizing compounds of the general formula R - CHOH - CH2 - SO2NH2 with manganese dioxide in a readily volatile, oxidation-. stable organic solvent, preferably acetone or aceto- nitrile. The 2-ketosulfonamides of the invention are valuable intermediate products and can be used, for example, as coupling components for azo dyestuffs and pigments.

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