1,2,3-Triethynyl-4-(2-ethynyl-phenylethynyl)-benzene 、
二(三甲基甲硅烷基)乙炔 在
carbon monoxide,cobalt,cyclopenta-1,3-diene 作用下,
以15%的产率得到Trimethyl-(6-trimethylsilyl-7-heptacyclo[12.10.0.02,13.03,10.04,9.015,22.016,21]tetracosa-1(14),2(13),3(10),4,6,8,11,15(22),16,18,20,23-dodecaenyl)silane