(3S,4R)-3-methyl-1-[(1R,2S,5S)-2-methyl-6,8-dioxabicyclo[3.2.1]octan-5-yl]oct-6-yn-4-ol 在
camphor-10-sulfonic acid 作用下,
以
二氯甲烷 为溶剂,
生成 [(2R,3S,6R,8R,9S)-8-but-2-ynyl-3,9-dimethyl-1,7-dioxaspiro[5.5]undecan-2-yl]methanol 、 [(2R,3S,6S,8R,9S)-8-but-2-ynyl-3,9-dimethyl-1,7-dioxaspiro[5.5]undecan-2-yl]methanol