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Updated: Aug 18, 2026

Structure and Coordination Determination of Peptide-metal Complexes Using 1D and 2D 1H NMR
Published on: December 16, 2013
catena-Poly[copper(II)-mu-L-tyrosyl-L-leucinato]
Ricardo Baggio1, Nieves M C Casado, Rafael Calvo
1Departamento de Física, Comisión Nacional de Energía Atómica, Avenida Gral Paz 1499, 1650 Buenos Aires, Argentina. baggio@cbea.gov.ar
Abstract:
In the title compound, [Cu(C15H20N2O4)]n, the copper(II) coordination is square planar. The anionic L-tyrosyl-L-leucinate ligand binds in an N,N',O-tridentate mode to one Cu(II) cation on one side and in an O-monodentate mode to a second Cu(II) cation on the other side, thus defining -Cu-O-C-O-Cu'- chains which run along the a axis. These chains are held together by a strong hydrogen bond involving the hydroxy H atom.
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