Formation of Homoleptic Tetracarbene ver
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Han Vinh Huynh; Ramasamy Jothibasu
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Article
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2009
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John Wiley and Sons
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English
⚖ 182 KB
## Abstract The formation of mono‐ versus bis(chelate) Ni^II^ complexes bearing N‐heterocyclic dicarbene ligands can be controlled by the flexibility of the ligand bridge. A short methylene spacer exclusively gives rise to a dicationic bis(chelate) complex [Ni(^Me^CC^meth^)~2~]Br~2~ (**1**), wherea