(1S,6S,9R,13R,14S,17R,19S)-(-)-15-tert-butyldiphenylsilyloxy-14-methoxymethoxy-6,13,19-trimethyl-9-propyl-8,20-dioxabicyclo[15.2.1]eicosan-3-en-7,11-dione 在
palladium on activated charcoal
氢气 作用下,
以
乙酸乙酯 为溶剂,
以99%的产率得到(1S,6S,9R,13R,14S,15R,17R,19S)-(-)-15-tert-butyldiphenylsilyloxy-14-methoxymethoxy-6,13,19-trimethyl-9-propyl-8,20-dioxabicyclo[15.2.1]eicosane-7,11-dione