tert-butyl-[[(19S)-5-[tert-butyl(dimethyl)silyl]oxy-19-[3-[2-(4-methylpiperazin-1-yl)ethoxy]phenyl]-8,18-dioxatetracyclo[9.8.0.02,7.012,17]nonadeca-1(11),2(7),3,5,12(17),13,15-heptaen-15-yl]oxy]-dimethylsilane 在
吡啶 、
氢氟酸 作用下,
以
乙腈 为溶剂,
生成
5S-{3-[2-(4-methylpiperazin-1-yl)-ethoxy]phenyl}-11,12-dihydro-5H-6,13-dioxa-benzo[3,4]cyclohepta[1,2-a]naphthalene-2,8-diol