SCHEDULED MAINTENANCE
The first mononuclear η8-coordinated pentalene complex: synthesis and molecular structure of [Ta{η8-C8H4(SiMe3) 2-1,4}Cl3]
Abstract
Treatment of [TaCl
2
Me
3
] with
Li
2
(cot″) (cot″ =
1,4-bis(trimethylsilyl)cyclooctatetraene] affords
[Ta(η-cot″)Me
3
], which reacts with
[NHPr
i
2
Et]Cl in dichloromethane to yield the complex
[Ta{η
8
-C
8
H
4
(SiMe
3
)
2
-1,4}Cl
3
]; X-ray crystallography shows the
latter to contain a pentalene ligand bound through all eight carbons to a
single tantalum centre.
- This article is part of the themed collection: Geoff Cloke at 65: a pioneer in organometallic chemistry
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