8-O-(12-[Nα-tert-butoxycarbonyl-L-alaninoylamino]dodecanoyl)-8-O-debutanoylthapsigargin 在
三氟乙酸 作用下,
以
二氯甲烷 为溶剂,
反应 0.75h,
以100%的产率得到[(3S,3aR,4S,6S,6aR,7S,8S,9bS)-6-acetyloxy-3,3a-dihydroxy-3,6,9-trimethyl-8-[(Z)-2-methylbut-2-enoyl]oxy-7-octanoyloxy-2-oxo-4,5,6a,7,8,9b-hexahydroazuleno[4,5-b]furan-4-yl] 12-[[(2S)-2-aminopropanoyl]amino]dodecanoate