The triple role of rongalite in aminosulfonylation of aryldiazonium tetrafluoroborates: synthesis of <i>N</i>-aminosulfonamides <i>via</i> a radical coupling reaction
A simple and convenient method for N-aminosulfonamide synthesis from the cross-coupling of aryldiazonium tetrafluoroborates and rongalite under metal-free, oxidant-free, and room-temperature conditions is reported. This method does not require an external amine source, with the aryldiazonium tetrafluoroborates participating as both an aryl radical and a potential amine source in the transformation