SYNTHESIS AND CHARACTERIZATION OF NEW AZAMACROCYCLIC BINUCLEAR CU(II) COMPLEX
Abstract
The new mixed ligand complex of Cu(II) with octaazamacrocyclic ligand N,N',N'',N'''- tetrakis(2-pyridylmethyl)-1,4,8,11-tetraazacyclotetradecane (tpmc) and amino acid L-norleucine was synthesized and characterized by elemental analysis, conductivity data, infrared and electronic spectra. New complex is binuclear with the formula [Cu2 (norleu) tpmc] (ClO4)4. In this complex, the octaazamacrocyclic ligand tpmc acts as a polydentate ligand coordinated through four N atoms for each Cu(II), whereas the amino acid coordinated through the carboxylate group. Both of the Cu(II) are coordinated with two pyridyl and two cyclam nitrogens and bridged with -N-(CH2)3-N-portions of the cyclam ring and oxygen atoms of L-norleucine.
Keywords
Cu(II) complexes, octaazamacrocycle, L-aminoacids, L-norleucine
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