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ChemInform Abstract: Formation of Homoleptic Tetracarbene versus cis-Chelating Dicarbene Complexes of Nickel(II) and Applications in Kumada—Corriu Couplings.

✍ Scribed by Han Vinh Huynh; Ramasamy Jothibasu


Book ID
102032493
Publisher
John Wiley and Sons
Year
2009
Weight
27 KB
Volume
40
Category
Article
ISSN
0931-7597

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Formation of Homoleptic Tetracarbene ver
✍ Han Vinh Huynh; Ramasamy Jothibasu 📂 Article 📅 2009 🏛 John Wiley and Sons 🌐 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