η5-cyclopentadienylbis(ethene)cobalt 、
tricarbonylbis(η2-cis-cyclooctene)iron 、
2,3-benzo-1,4-dihydro-1,4,6,6-tetramethyl-1,4-diborafulvene 以
petroleum ether 为溶剂,
以65%的产率得到tricarbonyl{(η5-cyclopentadienyl)cobalt}{μ,η5:η4-(1,3-dihydro-1,3,10,10-tetramethyl-1,3-dibora-4,5-benzopentafulvene)}iron