(1S,3S,7S,10R,11S,12S,16S)-3-acetyl-7,11-dihydroxy-8,8,10,12,16-pentamethyl-4-oxabicyclo[14.1.0]heptadecane-5,9-dione 在
2,6-二甲基吡啶 、
正丁基锂 作用下,
以
四氢呋喃 、
二氯甲烷 、
甲苯 为溶剂,
反应 55.0h,
生成 (1S,3S,7S,10R,11S,12S,16S)-8,8,10,12,16-pentamethyl-3-((Z)-1-(pyrimidin-4-yl)prop-1-en-2-yl)-7,11-bis(trimethylsilyloxy)-4-oxabicyclo[14.1.0]heptadecane-5,9-dione 、
(1S,3S,7S,10R,11S,12S,16S)-8,8,10,12,16-pentamethyl-3-((E)-1-(pyrimidin-4-yl)prop-1-en-2-yl)-7,11-bis(trimethylsilyloxy)-4-oxabicyclo[14.1.0]heptadecane-5,9-dione 、 (1S,3R,7S,10R,11S,12S,16S)-8,8,10,12,16-pentamethyl-3-((E)-1-(pyrimidin-4-yl)prop-1-en-2-yl)-7,11-bis(trimethylsilyloxy)-4-oxabicyclo[14.1.0]heptadecane-5,9-dione