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Synthesis and Characterization of New Schiff Base Ligand Derived from 4- aminoantipyrine and its complexes with some metal ions and Their Fluorescence Study
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| Author:
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INAM HASHIM IBRAHIM, HASAN A. HASAN
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| Abstract:
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Synthesis and characterisation two Schiff bases ligands[L1] (N1Z,N3Z)-N1,N3-bis(4-((E)-anthracen-9-ylmethyleneamino)-1,5-dimethyl-2-phenyl-1H-pyrazol-3(2H)-ylidene)benzene-1,3-diamine Synthesis via reaction of m-phenylenediamine, 4-aminoantipyrine and 9- anthracenecarboxaldehyde with mole ratio (1:2:2) respectively two steps. And[L2] (N1Z,N2Z)-N1,N2-bis(4-((E)-anthracen-9-ylmethyleneamino)-1,5-dimethyl-2-phenyl-1H-pyrazol-3(2H)-ylidene)-4-methylbenzene-1,2-diamine Synthesis from reaction of 3,4diaminotoluene ,4-aminoantipyrine and 9-anthracenecarboxaldehyde with mole ratio (1:2:2 )respectively two steps. A new series of transition metal complexes of Mn(II), Co(II), Ca(II), Cd(II) , Zn(II) and pd(II) were synthesized .The structural features were derived from their elemental analyses, infrared, UV-visible spectroscopy, 1HNMR,13CNMR spectroscopy, thermal gravimetric analyses spectral ,magnetic susceptibility measurement, chloride content and conductivity measurements. The electronic spectral data and magnetic measurements indicate that the complexes exhibit octahedral geometry around Ca(II), Mn(II), Cd(II), Co(II), Zn(II) while Square planer geometry around Pd(II).
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| Keyword:
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Schiff base m-phenylendiamine, 3, 4-diaminotoluene, 9-anthracenecarboxaldehyde, fluorescence
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| EOI:
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-
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| DOI:
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https://doi.org/10.31838/ijpr/2021.13.01.356
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| Download:
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