(Z)-5-<(trifluoromethanesulfonyloxy)methylene>-1-cyclopentenyl trifluoromethanesulfonate 、
1-(2-Ethynyl-4-nitrophenyl)-3-(trimethylsilyl)-2-propyn-1-ol 在
bis-triphenylphosphine-palladium(II) chloride 、
copper(l) iodide 二异丙胺 作用下,
以
苯 为溶剂,
以8%的产率得到Trifluoro-methanesulfonic acid 5-[3-[2-(1-hydroxy-3-trimethylsilanyl-prop-2-ynyl)-5-nitro-phenyl]-prop-2-yn-(Z)-ylidene]-cyclopent-1-enyl ester