SEARCH Articles Figures Tables 1-oxide sulfonation Amide oxides Amide sulfon Amides amines Amides oxidation Amides sulfonated Amination/amidation Amination/amidation Amines Amines acid sulfonation Amines sulfonic acid amides Oxidation sulfones Oxidative amidation Sulfonation, oxidative Sulfonic acid amides Sulfonic acid amides sulfonates Sulfonic acid amides sulfones