[(1S,2R,5S,6S)-5-[tert-butyl(dimethyl)silyl]oxy-2-[2-(diethylamino)-2-oxoethyl]-6-methylcycloheptyl] 4-nitrobenzoate 在
lithium hydroxide 、
盐酸 作用下,
以
甲醇 为溶剂,
以90%的产率得到(3aR,6S,7S,8aS)-6-hydroxy-7-methyl-3,3a,4,5,6,7,8,8a-octahydrocyclohepta[b]furan-2-one