(2R,6S)-tert-butyl 2-[2-(E)-[(3aR,4S,4aS,8aR,9aS)-decahydronaphtho[2,3-c]furan-1(3H)-on-4-yl]ethenyl]-6-methylpiperidine-1-carboxylate 在
三氟乙酸 作用下,
以
二氯甲烷 为溶剂,
以93%的产率得到(3aR,4S,4aS,8aR,9aS)-decahydro-4-[2-(E)-[(2R,6S)-6-methylpiperidin-2-yl]ethenyl]naphtho[2,3-c]furan-1(3H)-one