Two mononuclear oxovanadium(V) complexes, [VOL1(OCH3)(CH3OH)] (1) and [VOL2(OCH3)(CH3OH)] (2), where H2L1 = N'-(3-bromo-5-chloro-2-hydroxybenzylidene)-2,3-dimethoxybenzohydrazide and H2L2 = N'-(3-bromo-5-chloro-2-hydroxybenzylidene)-2-methylbenzohydrazide, were synthesized and characterized by elemental analysis, IR, U...
A mononuclear manganese(II) complex of N′-(4-hydroxy-3-methoxybenzylidene)isonicotinohydrazide (H₂L) was synthesised and characterised to examine its structural features and DPPH radical-scavenging activity relative to the free ligand. The ligand was prepared by condensation of isonicotinic acid hydrazide with para-van...
Abstract: The research included the preparation and characterization of new cadmium(II) complexes using the ligand 5-(Benzylthio)-1H-tetrazole (L) as a base material, in the presence of mono- and bidentate phosphines. The complexes [CdL2(PPh3)2]Cl2, [Cd2L4(µ-dppm)2]Cl2, and [CdL2(dppp)]Cl2 were obtained. Scann...
The new Schiff base ligand N'-(4-hydroxy-3,5-dimethoxybenzylidene) isonicotinohydrazide (L՜) has been prepared through the condensation of isonicotinohydrazide in combination with 4-hydroxy-3,5-dimethoxybenzaldehyde and identified via FT-IR, UV-Vis spectroscopy, 1H and 13C NMR spectra, and microanalysis (CHN). Furthe...
Two novel Ni(II) and Cu(II) mixed-ligand complexes, NiMBIM and CuMBIM, were successfully synthesized using 1-isopropyl-1H-benzimidazole-2-carbaldehyde (MB) and 2-(4,5-diphenyl-1H-imidazol-2-yl)phenol (IM). Their structures were characterized via CHN elemental analysis, UV–Vis and FT-IR spectroscopy, mass spectrometry,...
A new HYDRAZONE SCHIFF BASE, N’-[(1E)-1-(5-bromo-2-hydroxyphenyl)Ethylidene]Pyridine-3- Carbohydrazide (H2L), was synthesized from 5-bromo-2-Hydroxyacetophenone and Nicotinic acid Hydrazide, and its Iron(III) complex was prepared. The ligand was characterized by single-crystal X-ray diffraction, ¹H/¹³C NMR, and both co...
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