Ring Cleavage ofN-Acyl- andN-(Arylsulfonyl)histamines with Di-tert-butyl Dicarbonate. A One-Pot Synthesis of 4-Acylamino- and 4-Arylsulfonylamino-1,2-diaminobutanes
Ring Cleavage ofN-Acyl- andN-(Arylsulfonyl)histamines with Di-tert-butyl Dicarbonate. A One-Pot Synthesis of 4-Acylamino- and 4-Arylsulfonylamino-1,2-diaminobutanes