Journal of Coordination Chemistry p. 262 - 277 (2012)
Update date:2022-08-16
Topics:
Kapoor, Puja
Singh
Fahmi, Nighat
Coordination and biocidal aspects of lanthanide(III) complexes with 3-formyl-4-chlorocoumarin hydrazinecarbothioamide (L1H) and 3-formyl-4-chlorocoumarin hydrazinecarboxamide (L2H) are described with the support of elemental analyses, molecular weight, melting point, and molar conductance determinations along with the IR, 1H NMR, EPR, UV spectral, and X-ray powder diffraction studies. The spectral data suggest that the ligands are monobasic bidentate, coordinating through nitrogen and sulfur/oxygen. The isolated products are colored solids, soluble in DMSO, DMF, and methanol. All the complexes are monomeric, as indicated by their molecular weight determinations. Conductivity measurements in dry DMF show them to be non-electrolytes. The antimicrobial, DNA cleavage, pesticidal, and nematicidal activities were examined and are discussed. Copyright
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