(8S,9S,11R,13S,14S,17S)-3,11-dihydroxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-yl propionate 在
4-二甲氨基吡啶 、
N,N'-二环己基碳二亚胺 作用下,
生成 [(8S,9S,11R,13S,14S,17S)-3-[2-[4-[bis(2-chloroethyl)amino]phenyl]acetyl]oxy-11-formyloxy-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-17-yl] propanoate