(S)-(+)-alpha-甲氧基苯乙酸 、
(3S,4R,5S,6S)-5,7-Bis-(tert-butyl-dimethyl-silanyloxy)-4,6-dimethyl-1-trimethylsilanyl-hept-1-yn-3-ol 在
4-二甲氨基吡啶 、
N,N'-二环己基碳二亚胺 作用下,
以
二氯甲烷 为溶剂,
反应 0.25h,
以62%的产率得到(S)-Methoxy-phenyl-acetic acid (1S,2R,3S,4S)-3,5-bis-(tert-butyl-dimethyl-silanyloxy)-2,4-dimethyl-1-trimethylsilanylethynyl-pentyl ester