Synthesis and characterisation of the novel metallocenes [Fe(η5-C5H5EMe2)2 ](E = Si, Sn) and [Fe(η5-C5H5SnMe2)(η 6-C6H6)]2[Fe2Cl 6]
作者:Brian F. G. Johnson、Caroline M. Martin、Mathias Nowotny、Warwick Palmer、Simon Parsons
DOI:10.1039/a700576h
日期:——
The novel bis-heterocyclohexadienyl metallocene complexes
[Fe(η
5
-C
5
H
5
EMe
2
)
2
] (E = Si, Sn) are prepared by reaction of anhydrous
FeCl
2
with the appropriate lithium salt;
[Fe(η
5
-C
5
H
5
SnMe
2
)
2
] undergoes a further unusual reaction with CHCl
3
to
displace one SnMe
2
fragment and afford the mixed sandwich
complex
[Fe(η
5
-C
5
H
5
SnMe
2
)(η
6
-C
6
H
6
)]
2
[Fe
2
Cl
6
].
新型双环己二烯茂金属络合物[Fe(δ- 5 -C 5 H 5 EMe 2 ) 2 ](E = Si,Sn)是通过无水氯化铁 2 与适当的锂盐反应制备的;
[Fe(Î- 5 -C 5 H 5 SnMe 2 ) 2 ]与 CHCl 3 发生进一步的非正常反应,置换出一个 SnMe 2 片段,得到混合夹心复合物 [Fe(Î- 5 -C 5 H 5 SnMe 2 )(Î- 6 -C 6 H 6 )] 2 [Fe 2 Cl 6 ]。