合成方法:C5H6→C5H5 1)CH6(二聚体)+Na(THF)→CsHs+Na+H2 FeC2+NaCsHs(THF,苯)→Fem3-CsHs)2 2)CH+FeCl2 .4H2O(DMF)+KOH(s) Fe(n5-CsH5)2 3)CsH+FeCl NEt2H>Fe(n5-CsHs)2 合成方法: C5H6 ⎯→ C5H5 – 1) C5H6(二聚体) + Na (THF) ⎯→ C5H5 – + Na++H2 FeCl2+ NaC5H5 (THF, 苯) ⎯→Fe(5–C5H5 )2 2) C5H6 + FeCl2 .4H2O(DMF) + KOH(s) ⎯→ Fe(5–C5H5 )2 3) C5H6 + FeCl2 + NEt2H ⎯→ Fe(5–C5H5 )2