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- W1984932403 abstract "Complexes of the type [M(pash)Cl] and [M(Hpash)(H2O)SO4] (M=Mn(II), Co(II), Ni(II), Cu(II) and Zn(II); Hpash = p-amino acetophenone salicyloyl hydrazone) have been synthesized and characterized by elemental analyses, molar electrical conductance, magnetic moments, electronic, ESR and IR spectra, thermal studies and X-ray powder diffraction. All the complexes are insoluble in common organic solvents and are non-electrolytes. The magnetic moment values and electronic spectra indicate a square-planar geometry for Co(II), Ni(II) and Cu(II) chloride complexes and spin-free octahedral geometry for the sulfato complexes. The ligand coordinates through >C=N–,–NH2 and a deprotonated enolate group in all the chloro complexes, and through >C=N–, >C=O and–NH2 in the sulfato complexes. Thermal analyses (TGA and DTA) of [Cu(pash)Cl] show a multi-step exothermic decomposition pattern. ESR spectral parameters of Cu(II) complexes in solid state at room temperature suggest the presence of the unpaired electron in d x 2 − y 2 . X-ray powder diffraction parameters for [Cu(pash)Cl] and [Ni(Hpash)(H2O)SO4] correspond to tetragonal and orthorhombic crystal lattices, respectively. The complexes show a fair degree of antifungal activity against Aspergillus sp., Stemphylium sp. and Trichoderma sp. and moderate antibacterial activity against E. coli and Clostridium sp." @default.
- W1984932403 created "2016-06-24" @default.
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- W1984932403 date "2008-10-13" @default.
- W1984932403 modified "2023-09-28" @default.
- W1984932403 title "Synthesis, structural studies and bio-activity of Mn(II), Co(II), Ni(II), Cu(II) and Zn(II) complexes with<b><i>p</i></b>-amino acetophenone salicyloyl hydrazone" @default.
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- W1984932403 doi "https://doi.org/10.1080/00958970802017646" @default.
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