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Issue 9, 2009
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Copper(i) complexes of cis,cis-1,3,5-tris(mesitylideneamino)cyclohexane ligands: synthesis, structure and substrate selectivity

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Abstract

The new sterically encumbered facially coordinating N3-donor ligand cis,cis-1,3,5-tris(mesitylideneimino)cyclohexane (L1) has been synthesised. Reaction with [Cu(NCCH3)4]PF6 gives [Cu(L1)NCCH3]PF6 (1), the bound acetonitrile being labile and readily replaced by CO to yield [Cu(L1)CO]PF6 (2); both 1 and 2 have been structurally characterised. Complexes 1 and 2 do not undergo a substitution reaction with ethylene. This is in contrast to the related bidentate ligand complexes [Cu(L2)NCCH3]BF4 (3) or [Cu(L2)CO]BF4 (4) (L2 = 1,2-bis(mesitylideneamino)cyclohexane) which rapidly form the ethylene complex under the same conditions.

Graphical abstract: Copper(i) complexes of cis,cis-1,3,5-tris(mesitylideneamino)cyclohexane ligands: synthesis, structure and substrate selectivity

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Supplementary files

Article information


Submitted
23 Oct 2008
Accepted
09 Dec 2008
First published
21 Jan 2009

Dalton Trans., 2009, 1632-1635
Article type
Paper

Copper(I) complexes of cis,cis-1,3,5-tris(mesitylideneamino)cyclohexane ligands: synthesis, structure and substrate selectivity

M. Cushion, P. Ebrahimpour, M. F. Haddow, A. J. Hallett, S. M. Mansell, A. G. Orpen and D. F. Wass, Dalton Trans., 2009, 1632
DOI: 10.1039/B818827K

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