(R)-2-[(2S,3S,5R,6R)-6-[(3R,4S,5R)-4-(tert-Butyl-dimethyl-silanyloxy)-5-(2-methoxy-ethoxymethoxy)-3-methyl-hex-1-ynyl]-6-(2-methoxy-ethoxymethoxy)-3,5-dimethyl-tetrahydro-pyran-2-yl]-propionic acid methyl ester 在
sodium hydroxide 、
四丁基氟化铵 作用下,
以
四氢呋喃 、
甲醇 为溶剂,
反应 12.0h,
生成
(1S,2R,5S,6R,9R,10R,12S)-9-(2-Methoxy-ethoxymethoxy)-5-[(R)-1-(2-methoxy-ethoxymethoxy)-ethyl]-2,6,10,12-tetramethyl-4,13-dioxa-bicyclo[7.3.1]tridec-7-yn-3-one