Synthesis, structure and spectral studies on mixed ligand copper(II) complexes of diimines and acetylacetonate

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• 作者：O.O.E. Onawumi ; O.O.P. Faboya ; O.A. Odunola ; T.K. Prasad ; M.V. Rajasekharan
• 关键词：Copper(II) complex ; Mixed ligand chelate ; EPR spectroscopy ; UV– ; Vis spectroscopy ; Casiopeinas^® ;
• 刊名：Polyhedron
• 出版年：2008
• 出版时间：20 January 2008
• 年：2008
• 卷：27
• 期：1
• 页码：113-117
• 全文大小：345 K

文摘

Two new mixed ligand complexes of copper(II) with acetylacetonate (acac), 2,2′-bipyridine (bpy) and 1,10-phenanthroline (phen) belonging to the class of cytotoxic and antineoplastic compounds known as CASIOPEINAS^® were synthesized and structurally characterized. Crystals of both complexes [Cu(acac)(bpy)(H₂O)]NO₃ · H₂O (1), [Cu(acac)(phen)Br] (2) contain square pyramidal Cu(II) complex species. In frozen solution both compounds give well resolved EPR spectra with very similar parameters.