(1S,2S,3S,4S,1'R,3'R,5'R,7'R)-2,3-epoxy-7'-benzyloxymethyl-3',4-dimethylspiro[cyclohexane-1,2'-[8,9]dioxatricyclo[3.3.1.03,7]nonan]-4-ol 在
盐酸 作用下,
以
甲醇 为溶剂,
以37%的产率得到(1R,3S,5R,7R,9R,10S,13S,14S)-5-benzyloxymethyl-9,13-dimethyl-2,4-dioxatetracyclo[8.3.1.03,10.05.9]tetradecane-7,13,14-triol