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+)