(E)-4β-{2-acetylamino-5-[2-(6-methylpyridin-3-yl)ethenyl]}benzoyloxy-20-ethyl-1α,14α,16β-trimethoxyaconitane-8,9-diol 、
2-溴-3',4'-二氯苯乙酮 以
丙酮 为溶剂,
反应 48.0h,
以70%的产率得到(E)-5''-{2'-acetamido-1'-[(8,9-dihydroxy-1α,14α,16β-trimethoxy-20-ethylaconitan-4β-yl)oxy-carbonyl]styr-5'-yl}-1''-[2-(3''',4'''-dichlorophenyl)-2-oxoethyl]-2'''-methylpyridinium bromide