ethyl 3,3-bis(N-(3-(4-(trifluoromethyl)phenyl)prop-2-ynyl)-4-methylphenylsulfonamido)acrylate 在
N-碘代丁二酰亚胺 、
silver trifluoroacetate 作用下,
以
二氯甲烷 为溶剂,
反应 12.0h,
以52%的产率得到ethyl 5-iodo-2-(4-methyl-N-{3-[4-(trifluoromethyl)phenyl]prop-2-ynyl}phenylsulfonamido)-1-tosyl-4-[4-(trifluoromethyl)phenyl]-1,6-dihydropyridine-3-carboxylate