(η5-1,2,3,4,5-pentamethylcyclopentadienyl)(1,2-diphosphinoethane)(divinylphenylphosphine)iron(II) hexafluorophosphate 在
2,2'-azo-bis(isobutyronitrile) 作用下,
以5%的产率得到(η5-1,2,3,4,5-pentamethylcyclopentadienyl)(1-phenyl-1,4,7-triphosphacyclononane)iron(II) hexafluorophosphate