在
四丁基氟化铵 作用下,
以
四氢呋喃 为溶剂,
以762 mg的产率得到(1R,3S,4R,5R,7S,8R,10S,12R,14S,16R,18S,19R,21S,24S)-19-(2-hydroxyethyl)-5,19,21,24-tetramethyl-8-phenylmethoxy-7-(phenylmethoxymethyl)-2,6,11,15,20-pentaoxapentacyclo[12.10.0.03,12.05,10.016,21]tetracosane-4,18-diol