Cyclopentadienyl Complex - Synthesis of Cp* Complexes

Synthesis of Cp* Complexes

Some representative reactions leading to such Cp*-metal complexes include

Cp*H + C4H9Li → Cp*Li + C4H10
2 Cp*Li + TiCl4 → Cp*2TiCl2 + 2 LiCl
Cp*2TiCl2 + TiCl4 → 2 Cp*TiCl3
Cp*Li + Me3SiCl → Cp*SiMe3 + LiCl
Cp*SiMe3 + TiCl4 → Cp*TiCl3 + Me3SiCl
2 Cp*H + 2 Fe(CO)52 + H2

Some Cp* complexes are prepared using hexamethyl Dewar benzene as the precursor. This method was traditionally used for 2.

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