Unusual alkylidene ligands: synthesis and structure of the
cyclopentadienylidene complex
[(η5-C5H5)Ta(NEt2)2
(![[double bond, length as m-dash]](https://www.rsc.org/images/entities/char_e001.gif)
C5H4)]
Abstract
The unique alkylidene complex
[(η
5
-C
5
H
5
)Ta(NEt
2
)
2
(C
5
H
4
)] 2 is prepared in low yield
from the reaction of
[(η
5
-C
5
H
5
)Ta(NEt
2
)
2
Cl
2
] 1 with 2 equiv. of MeLi and is fully characterised
including an X-ray structural determination.
C
5
H
4
)] 2 is prepared in low yield
from the reaction of
[(η
5
-C
5
H
5
)Ta(NEt
2
)
2
Cl
2
] 1 with 2 equiv. of MeLi and is fully characterised
including an X-ray structural determination.
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![[double bond, length as m-dash]](https://www.rsc.org/images/entities/h2_char_e001.gif)
C5H4)]
