4-ethynyl-4'-(2-ferrocenylethynyl)tolane   、                                                                                      
1-iodo-4-[2-(4-methylsulfanylphenyl)ethynyl]benzene                                                                                                                                                              在
                                                                                                                                         bis-triphenylphosphine-palladium(II) chloride                                                                                                                                                                                                                               CuI                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
二乙胺                                                                                  为溶剂,
                                                                                                                                                                                        以75%的产率得到cyclopenta-1,3-diene;1-(2-cyclopenta-2,4-dien-1-ylethynyl)-4-[2-[4-[2-[4-[2-(4-methylsulfanylphenyl)ethynyl]phenyl]ethynyl]phenyl]ethynyl]benzene;iron(2+)