7-(4-iodophenyl)-2,5-dimethyl-3a,6a-diphenylhexahydro-2,5-epiminofuro[3,2-b]furan 、
炔雌醇 在
bis-triphenylphosphine-palladium(II) chloride 、
copper(l) iodide 、
三乙胺 作用下,
以60%的产率得到(17β)-17-{[4-(2,5-dimethyl-3a,6a-diphenylhexahydro-2,5-epiminofuro[3,2-b]furan-7-yl)phenyl]ethynyl}estra-1(10),2,4-triene-3,17-diol