Dimethyl 2-[[2-(3-hydroxy-3-phenylprop-1-ynyl)phenyl]methylidene]propanedioate 、
2,2'-methylenebis(6-tert-butyl-4-methyl-o-phenylene) phosphorochloridite 在
三乙胺 作用下,
以
四氢呋喃 为溶剂,
以69%的产率得到dimethyl 11-(1,9-ditert-butyl-3,7-dimethyl-11-oxido-5H-benzo[d][1,3,2]benzodioxaphosphocin-11-ium-11-yl)-10,11-dihydrobenzo[b]fluorene-5,5-dicarboxylate