(2R,4aR,6R,8aS)-Octahydro-3-<(1S,4S)-4-<(2R,5R)-tetrahydro-2-methyl-5-<1-methyl-1-<<2-(trimethylsilyl)ethoxy>methoxy>ethyl>furan-2-yl>-4-hydroxy-1-(methoxymethoxy)butyl>-6-<(S)-1-(methoxymethoxy)-1,5-dimethylhex-4-enyl>-8a-methylpyrano<3,2-b>pyran 在
盐酸 作用下,
以
甲醇 为溶剂,
反应 3.0h,
以90%的产率得到(2R,4aR,6R,8aS)-Octahydro-2-<(1S,4S)-1,4-dihydroxy-4-<(2R,5R)-tetrahydro-5-(1-hydroxy-1-methylethyl)-2-methylfuran-2-yl>-1-methylbutyl>-6-<(S)-1-hydroxy-1,5-dimethylhex-4-enyl>-8a-methylpyrano<3,2-b>pyran