Journal
JOURNAL OF COORDINATION CHEMISTRY
Volume 62, Issue 24, Pages 4009-4017Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/00958970903208284
Keywords
Microwave assisted synthesis; Synthesis of Schiff base; Metal ligand complex
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Microwave chemistry is a green chemical method that improves reaction conditions and product yields while reducing solvent amounts and reaction times. The main aim of this article is to synthesize the tetradentate N2O2 ligand [HO(Ar)CH=N-(CH2)(2)-N=CH(Ar)OH] and manganese(II), cobalt(II), nickel(II), and zinc(II) complexes of the type ML by classical and microwave techniques. The resulting Schiff base and its complexes are characterized by H-1 NMR, infrared, elemental analysis, and electronic spectral data. The ligand and its Co(II) and Mn(II) complexes were further identified by X-ray diffraction and mass spectra to confirm the structure. The results suggest that the metal is bonded to the ligand through the phenolic oxygen and the imino nitrogen.
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