{3-[(S)-3-(tert-butyl-dimethyl-silanyloxy)-4,4-dimethyl-5-oxo-cyclopent-1-enylsulfanyl]-propylsulfanyl}-acetic acid methyl ester 、
tert-butyl-{1-[2-(3-chloro-benzo[b]thiophen-2-yl)-ethyl]prop-2-ynyloxy}-dimethyl-silane 在
Schwartz's reagent 、
甲基锂 、 lithium,azanidylidenemethylidenecopper,2H-thiophen-2-ide 作用下,
以
四氢呋喃 为溶剂,
反应 2.42h,
以43%的产率得到(3-{(1R,4S,5S)-4-(tert-Butyl-dimethyl-silanyloxy)-5-[(E)-3-(tert-butyl-dimethyl-silanyloxy)-5-(3-chloro-benzo[b]thiophen-2-yl)-pent-1-enyl]-3,3-dimethyl-2-oxo-cyclopentylsulfanyl}-propylsulfanyl)-acetic acid methyl ester