碘苯 、
(5Z)-5-[(2S,2aR,6S,7aS,7bR,8R,9S)-hexahydro-7b-ethynyl-9-methyl-4H-2,2,6-(epoxy[1]propanyl[3]ylidene)furo[2,3,4-gh]pyrrolizin-10-ylidene]-4-methoxy-3-methyl-2(5H)-furanone 在
bis-triphenylphosphine-palladium(II) chloride 、
copper(l) iodide 、
三乙胺 作用下,
以
四氢呋喃 为溶剂,
反应 24.0h,
以62%的产率得到(5Z)-5-[(2S,2aR,6-S,7aS,7bR,8R,9S)-hexahydro-7b-(2-phenylethyn-1-yl)-9-methyl-4H-2,2,6-(epoxy[1]propanyl[3]ylidene)furo[2,3,4-gh]pyrrolizin-10-ylidene]-4-methoxy-3-methyl-2(5H)-furanone