Synthesis of arylsulfonylcarbamic acid derivatives using a new, phosgene-free method

Article abstract of DOI:10.1016/S0040-4039(00)93568-8

Arylsulfonylcarbamic acid esters, thioesters, and amides, 3, have been prepared via catalytic carbonylation of alkali metal salts of N-chloroarylsulfonamides, 1, and treatment of the reaction mixture with R¹XH (X=O, S, NR²).