Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 60, Issue 26, Pages 14390-14393Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.202104658
Keywords
aluminum; coordination modes; copper; ligand effects; metal– metal interactions
Categories
Funding
- Royal Commission for the Exhibition of 1851
- EPSRC [EP/R020752/1]
- EPSRC [EP/R020752/1] Funding Source: UKRI
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The reactivity of copper-alumanyl complexes is dependent on the identity of the carbene co-ligand, suggesting an ambiphilicity in the Cu-Al interaction. This divergent reactivity with carbodiimides and CO2 implies a complex relationship between the two metals in the complex.
Copper-alumanyl complexes, [LCu-Al(SiNDipp)], where L=carbene=NHCiPr (N,N '-diisopropyl-4,5-dimethyl-2-ylidene) and (Me2)CAAC (1-(2,6-diisopropylphenyl)-3,3,5,5-tetramethyl-pyrrolidin-2-ylidene) and featuring unsupported Al-Cu bonds, have been prepared. Divergent reactivity observed with carbodiimides and CO2 implies an ambiphilicity in the Cu-Al interaction that is dependent on the identity of the carbene co-ligand.
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