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 p-ethynyltoluene to give the title compound as a black oil (55 mg, 89%). MS ESI 497.3 [M+H]+, calcd for [C26H28N2O4S2+H]+ 497.15.