Elimination of Sulfur Dioxide in Alkanesulfonamides. Formation of 2-Arylhydrazono-3,3,3-trifluoropropylamines from 2-Arylhydrazono-3,3,3-trifluoropropanesulfonamides
Elimination of Sulfur Dioxide in Alkanesulfonamides. Formation of 2-Arylhydrazono-3,3,3-trifluoropropylamines from 2-Arylhydrazono-3,3,3-trifluoropropanesulfonamides
hylpyrazole-4-sulfonamides 10, (2-trifluoromethyl-2,3-dihydrobenzimidazol-2-yl)methanesulfonamides 12, and (2-benzimidazolyl)metbanesulfonamides 13 were prepared starting from 3,3,3-trifluoro-2,2-dihydroxypropanesulfonamides 1.