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

Anna P. McLean, Elizabeth A. Neuhardt, Joel P. St. John, Michael Findlater, Colin D. Abernethy

Research output: Contribution to journalArticle

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Abstract

(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 cop-per(I) oxide in refluxing tetrahydrofuran. In contrast to previously published methods of preparation of N-hetero-cyclic 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, 1H and 13C 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.

Original languageEnglish
Pages (from-to)415-418
Number of pages4
JournalTransition Metal Chemistry
Volume35
Issue number4
DOIs
StatePublished - May 2010

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