[1,1'-biphenyl]-3-yldiphenylphosphane 、 以
乙腈 为溶剂,
以70%的产率得到[5-oxo-5-[(1S,2S,4S,5'R,6R,7S,8R,9S,12S,13R,16S)-5',7,9,13-tetramethylspiro[5-oxapentacyclo[10.8.0.02,9.04,8.013,18]icos-18-ene-6,2'-oxane]-16-yl]oxypentyl]-diphenyl-(3-phenylphenyl)phosphanium;bromide