4-(4-Bromophenyl)imino-7-iodo-8-methyl-6-phenyl-5-oxaspiro[2.5]oct-6-en-8-ol 、
苯乙炔 在
bis-triphenylphosphine-palladium(II) chloride 、
copper(l) iodide 、
三乙胺 作用下,
反应 8.0h,
以76%的产率得到4-(4-Bromophenyl)imino-8-methyl-6-phenyl-7-(2-phenylethynyl)-5-oxaspiro[2.5]oct-6-en-8-ol