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- Title
N‐Heterocyclic Carbene Complexes of Cp*–Aluminum Triflate.
- Authors
Wang, Chen‐hao; Lin, Ya‐fan; Tseng, Hsi‐ching; Lee, Gene‐shiang; Peng, Shie‐ming; Chiu, Ching‐wen
- Abstract
To prepare the half‐metallocene complex of aluminum strong σ‐donating NHC ligands were allowed to react with [Cp*Al(OTf)2]2 to afford the corresponding Cp*Al(NHC)(OTf)2 compound (3). The neutral Al complexes turned out to be more acidic than B(C6F5)3 on the Gutmann–Beckett scale and highly reactive towards chloroform, acetonitrile and nitromethane. With the unsaturated IMes ligand, the nitromethane insertion complex occurred via carboalumination of Cp*–Al across the N=O bond was obtained and structurally characterized. Similar addition product could also be observed in the reaction of Cp*Al(IMes)(OTf)2 with CO2.
- Subjects
HETEROCYCLIC compounds synthesis; METALLOCENE catalysts; CARBENE derivatives; ALUMINUM; TRIFLATE compounds
- Publication
European Journal of Inorganic Chemistry, 2018, Vol 2018, Issue 20/21, p2232
- ISSN
1434-1948
- Publication type
Article
- DOI
10.1002/ejic.201800205