Benchtop synthesis and crystal structure determination of a monomeric N-heterocyclic carbene complex of copper(I) chloride

(1,3-Bis(2,4,6-trimethylphenyl)imidazol-2-ylidene)copper(I) chloride ( 1 ) was prepared by the reaction of 1,3-bis(2,4,6-trimethylphenyl)imidazolium chloride and copper(I) oxide in refluxing tetrahydrofuran. In contrast to previously published methods of preparation of N-heterocyclic carbene complex...

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Bibliographic Details
Published in:Transition metal chemistry (Weinheim) 2010-05, Vol.35 (4), p.415-418
Main Authors: McLean, Anna P., Neuhardt, Elizabeth A., St. John, Joel P., Findlater, Michael, Abernethy, Colin D.
Format: Article
Language:English
Subjects:
Catalysis
Chemistry
Chemistry and Materials Science
Inorganic Chemistry
Organometallic Chemistry
Physical Chemistry
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Summary:(1,3-Bis(2,4,6-trimethylphenyl)imidazol-2-ylidene)copper(I) chloride ( 1 ) was prepared by the reaction of 1,3-bis(2,4,6-trimethylphenyl)imidazolium chloride and copper(I) oxide in refluxing tetrahydrofuran. In contrast to previously published methods of preparation of N-heterocyclic carbene complexes of copper(I) halides, this synthesis requires neither an inert atmosphere nor scrupulously dry solvents. The structure of 1 was determined by elemental analysis, 1 H and 13 C NMR, and a single-crystal X-ray diffraction study. The X-ray crystal data reveal linear coordination about the copper(I) center and linear chains of molecules formed with intermolecular head-to-tail C–H···Cl interactions.
ISSN:0340-4285
1572-901X
DOI:10.1007/s11243-010-9343-4