Structural Diversity in Pyridine-N-Functionalized Carbene Copper(I) Complexes

The use of the versatile pyridine N-functionalized carbene ligands has allowed the isolation and structural characterization of copper(I) imidazol-2-ylidene complexes of the type {[(3-R)(1-L)imidazol-2-ylidene]CuBr}, where L = 2-picolyl, R = 2,4,6-trimethylphenyl (mesityl), 2,6-Pr i 2C6H3; L = 2-pyr...

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Bibliographic Details
Published in:Organometallics 2001-05, Vol.20 (10), p.2027-2031
Main Authors: Tulloch, Arran A. D, Danopoulos, Andreas A, Kleinhenz, Sven, Light, Mark E, Hursthouse, Michael B, Eastham, Graham
Format: Article
Language:English
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Summary:The use of the versatile pyridine N-functionalized carbene ligands has allowed the isolation and structural characterization of copper(I) imidazol-2-ylidene complexes of the type {[(3-R)(1-L)imidazol-2-ylidene]CuBr}, where L = 2-picolyl, R = 2,4,6-trimethylphenyl (mesityl), 2,6-Pr i 2C6H3; L = 2-pyridyl, R = 2,6-Pr i 2C6H3. They were prepared by interaction of the corresponding imidazolium bromides with Cu2O in chlorinated solvents in the presence of molecular sieves. In the solid state the 2-picolyl derivatives crystallize as dimers or polymers depending on the crystallization conditions, while the 2-pyridyl derivative crystallizes as monomer.
ISSN:0276-7333
1520-6041
DOI:10.1021/om010014t