(2S,3R,5R,6R,7R,8S,E)-3,5-bis((tert-butyldimethylsilyl)oxy)-2-ethyl-7-methoxy-6,8-dimethyldodec-10-enal 、
[Bis-(2,2,2-trichloro-ethoxy)-phosphoryl]-acetic acid ethyl ester 在
sodium hydride 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 6.0h,
生成
(2Z,12E)-(4R,5R,7R,8R,9R,10S)-5,7-Bis-(tert-butyl-dimethyl-silanyloxy)-4-ethyl-9-methoxy-8,10-dimethyl-tetradeca-2,12-dienoic acid ethyl ester