A facile method for regioselective synthesis of new N-acetyl/thioacetyl-(E)-stilbene benzenesulfonamide derivatives via N-acetyl/thioacetyl sulfonamide formation
M. Ahmadian-Moghaddam, A. Bekhradnia, Monire Tatar
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引用次数: 0
Abstract
GRAPHICAL ABSTRACT ABSTRACT A series of new N-acetyl/thioacetyl-(E)-stilbene benzenesulfonamide derivatives were synthesized regioselectively in moderate to high yields by following a convenient, three-step procedure. The procedure consists of the direct oxidative conversion of a thiol compound to the corresponding sulfonyl chloride using TMSCl/KNO3, followed by a room temperature reaction in a one-pot transformation of the resultant sulfonyl chloride into N-acetyl/thioacetyl sulfonamide, which undergoes a further Pd-catalyzed coupling reaction, giving rise to the stilbene compounds reported for the first time.
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