(1R,2R,3R,5R,9R,10R,12S,14RS)-14-ethoxy-7,7-dimethyl-2-(tert-butyldiphenylsilyloxy)-4,6,8,13-tetraoxatetracyclo<10.3.0.0
3,10.0
5,9>pentadecane 在
jones reagent 作用下,
以
丙酮 为溶剂,
反应 2.5h,
以73%的产率得到(1R,2R,3R,5R,9R,10R,12S)-7,7-dimethyl-2-(tert-butyldiphenylsilyloxy)-4,6,8,13-tetraoxatetracyclo<10.3.0.0
3,10.0
5,9>pentadecan-14-one