Production of aminoarylsulfonic acids comprises hydrogenation of nitroarylsulfonic acids in an aqueous medium in the presence of a pre-treated Raney nickel catalyst
Production of aminoarylsulfonic acids comprises hydrogenation of nitroarylsulfonic acids in an aqueous medium in the presence of a pre-treated Raney nickel catalyst. A process for the production of aminoarylsulfonic acids and/or their salts (I) comprises catalytic hydrogenation of a nitroarylsulfoni...
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