反应详情

According to the method described in example S76a, (R)-benzyl 3-(5-bromothiophene-2-sulfonamido)-4-(dimethylamino)butanoate was reacted with ethynylbenzene to give the title compound as a brown oil (55 mg, 87%). MS ESI 483.3 [M+H]+, calcd for [C25H26N2O4S2+H]+ 483.13.