(Z)-4'-acetoxy-2'-butenyl 3-phenyl-2-propynoate 在
silver hexafluoroantimonate 、 chloro(1,5-cyclooctadiene)rhodium(I) dimer 、 (R)-2,2'-bis(diphenylphosphanyl)-1,1'-binaphthyl 作用下,
以
1,2-二氯乙烷 为溶剂,
以96%的产率得到Acetic acid (E)-2-{(R)-5-oxo-4-[1-phenyl-meth-(Z)-ylidene]-tetrahydro-furan-3-yl}-vinyl ester