Method for producing arylsulphonic acid isocyanates

Details Method for producing arylsulphonic acid isocyanates Method for producing arylsulphonic acid isocyanates

C - Chemistry, Metallurgy

07

C

C07C 303/40 (2006.01) C07C 311/65 (2006.01)

Patent

CA 2462528

The invention concerns a method for producing arylsulphonic acid isocyanates by reacting an arylsulphonamide with a phosgene in the presence of an alkylisocyanate in a catalytically active amount.

La présente invention concerne un procédé de production d'isocyanates d'acide arylsulfonique par réaction d'un arylsulfonamide avec du phosgène en présence d'un alkylisocyanate en quantité catalytiquement active.

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