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Please use this identifier to cite or link to this item: http://purl.org/purl/1650

Title: Studies on Some Transition Metal Complexes of Schiff Bases Derived from Quinoxaline-2-carboxaldehyde
Authors: Mohammed Yusuff, K K
Mayadevi, S
Preetha, G Prasad
Keywords: Quinoxaline-2-carboxaldehyde
Schiff base
Transition metal complexes
Catalytic oxidation
Issue Date: 5-May-2003
Publisher: Taylor & Francis
Abstract: Two series of transition metal complexes of Schiff bases derived from quinoxaline-2-carboxaldehyde with semicarbazide (QSC) and furfurylamine (QFA) were synthesised and characterised by elemental analyses, molar conductance and magnetic susceptibility measurements, IR, electronic and EPR spectral studies. The QSC complexes have the general formula [M(QSC)Cl2]. A tetrahedral structure has been assigned for the Mn(II), Co(II) and Ni(II) complexes and a square-planar structure for the Cu(II) complex. The QFA complexes have the formula [M(QFA)2Cl2]. An octahedral structure has been assigned for these complexes. All of the complexes exhibit catalytic activity towards the oxidation of 3,5-di-tert-butylcatechol (DTBC) to 3,5-di-tert-butylquinone (DTBQ) using atmospheric oxygen. The cobalt(II) complex of the ligand QFA was found to be the most active catalyst.
URI: http://dyuthi.cusat.ac.in/purl/1650
Appears in Collections:Prof. K K Mohammed Yusuff

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