SOME COMPLEXES OF N-ARYL FURFURAL NITRONES WITH Co(II),Ni(II), Cu(II),Zn(II) and Cd(II) CHLORIDES

Abstract

Some new metal(II) dichloride complexes with the ligands substituted nitrones of the general formula [ML2Cl2], where M= Co(II), Ni(II), Cu(II), Zn(II) and Cd(II), L=OCH=CHCH=C-CH=N(O)C6H4X (X=H,p-CH3,CH3O,CH3CO,F,Cl,and Br) have been prepared and characterized  by elemental analysis, IR,1H,13C  NMR and Vis/Uv spectroscopy. The IR spectral data showed that the  nitrone ligands coordinated with  the metal ion through the most active atom of the N-oxide to give square planner coordinate (Cu,Ni,) complexes and (Zn,Cd,Co)  tetrahedral complexes. No correlation was observed between the N-O vibrations stretching high frequency ν(N-O) of the complexes and the Hammet (σ) constants

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Unique Article ID: EJBMSR-141

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