Rare and unexpected coordination to copper( ii ) by a tertiary amide in a macrocyclic ligand
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Incorporation of a tertiary amide donor within the framework of a C(2)-symmetric analogue of 1,4,7-triazacyclononane derived from L-valine results in the isolation of a very rare example of a classical Werner copper(II) complex in which tertiary amide coordination occurs; despite the monomeric nature of the complex in the solid state, frozen solution EPR studies reveal the presence of a triplet ground state consistent with a dimeric species.
author list (cited authors)
Sibbons, K. F., Al-Hashimi, M., Motevalli, M., Wolowska, J., & Watkinson, M.