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2000[X]
1Author    Z. NaturforschRequires cookie*
 Title    Structural and Spectroscopic Characterization of Two New Cu(II)-Dipeptide Complexes  
 Abstract    Two new Cu(II) complexes of stoichiometry [Cu(L-dipept)], containing as ligands the dipep­ tides L-alanine-L-valine and L-alanine-L-phenylalanine were prepared. They were character­ ized by single crystal X-ray diffractometry, and infrared and electronic spectroscopy. Both crystallize in the orthorhombic space group P2i2i2i with Z = 4. The Cu(II) ion has essentially the same elongated pyramidal coordination, being equatorially cis coordinated by a N2O2 ar­ rangement of ligand atoms and axially by a carbonyl oxygen atom. The compounds show rather similar polymeric structures that differ from each other basically in the dihedral angle between adjacent N2O2 planes. The infrared and electronic spectra are briefly discussed on the basis of the structural characteristics of the complexes. Superoxide dismutase-like activity was tested for both compounds. 
  Reference    Z. Naturforsch. 55b, 1157—1162 (2000); received July 4 2000 
  Published    2000 
  Keywords    Copper(II)-Dipeptide Complexes, Electronic Spectra, SOD Activity 
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 TEI-XML for    default:Reihe_B/55/ZNB-2000-55b-1157.pdf 
 Identifier    ZNB-2000-55b-1157 
 Volume    55