scholarly journals Synthesis, Complexation, Spectral and Antimicrobial Study of Some Novel 5-Bromo-2-Fluorobenzaldehydeoxime

2013 ◽  
Vol 8 ◽  
pp. 46-52 ◽  
Author(s):  
K. Kumar ◽  
N. Santhi
Keyword(s):  
Transition Metal ◽  
Metal Complexes ◽  
Transition Metal Complexes ◽  
Elemental Analysis ◽  
Room Temperature ◽  
Antimicrobial Activities ◽  
Spectral Studies ◽  
Ethanolic Solution ◽  
Mononuclear Complexes ◽  
Chloride Salts

In this newly approached method a novel series of Transition metal complexes were synthesized by the reaction of 5-bromo-2-fluorobenzaldehyde (1) react with hydroxylamine in ethanolic solution at room temperature. Mononuclear complexes were synthesized by reaction with Cu(II), Zn(II) and Hg(II) chloride salts. The complexes were characterized by elemental analysis, Ultraviolet, Infrared and 1HNMR spectral studies. The antimicrobial activities of the ligand and its metal complexes were estimated.

scholarly journals Synthesis, Characterizations and Antimicrobial Activity of Metal Complexes of 2-(2-Furanylmethylaminocarbonyl)benzoic Acid

2011 ◽  
Vol 8 (1) ◽  
pp. 443-448 ◽  
Author(s):  
R. H. Patel ◽  
B. L. Hiran
Keyword(s):  
Antimicrobial Activity ◽  
Antifungal Activity ◽  
Transition Metal ◽  
Benzoic Acid ◽  
Metal Complexes ◽  
Transition Metal Complexes ◽  
Elemental Analysis ◽  
Magnetic Moments ◽  
Thermal Studies ◽  
Spectral Studies

The ligand, 2-(2-furanylmethylaminocarbonyl)benzoic acid (FMBA) and it’s transition metal complexes have been synthesized and characterized by elemental analysis, spectral studies, magnetic moments and thermal studies. The antifungal activity of all the samples was monitored against common fungi.

scholarly journals Synthesis, complexation, spectral, antibacterial and antifungal activity of 2,4-dihydroxy-5-[(E)- phenyldiazenyl]benzaldehyde oxime

2010 ◽  
Vol 75 (9) ◽  
pp. 1231-1239 ◽  
Author(s):  
M. Kurtoglu
Keyword(s):  
Mycobacterium Smegmatis ◽  
Micrococcus Luteus ◽  
Antimicrobial Activities ◽  
Spectral Studies ◽  
Ethanolic Solution ◽  
Nmr Spectrum ◽  
Mononuclear Complexes ◽  
Elemental Analyses ◽  
Antibacterial And Antifungal ◽  
Chloride Salts

A new substituted salicylaldoxime ligand containing an azo (-N=N-) group, 2,4-dihydroxy-5-[(E)-phenyldiazenyl]benzaldehyde oxime (H3salox) (2), was synthesized by the reaction of 2,4-dihydroxy-5-[(E)- phenyldiazenyl]benzaldehyde (1) with hydroxylamine in ethanolic solution at room temperature. Mononuclear complexes of (H3salox) (2), a bidentate hydroxyaldoxime ligand, were synthesized by reaction with nickel(II), cobalt(II) and copper(II) chloride salts. The complexes, [Ni(H2salox)2] (3), [Cu(H2salox)2] (4) and [Co(H2salox)2] (5) were characterized by elemental analyses (C, H, N), conductivity measurements and infrared and electronic spectral studies. The 1H-NMR spectrum of the H3salox (2) ligand was also recorded. The mononuclear Ni(II), Co(II) and Cu(II) complexes of the ligand, (H3salox), have a metal: ligand ratio of 1:2 and the ligand coordinates through the N and O atoms, as is the case with most hydroxyaldoximes. The molar conductivities in DMF solution indicate the non-electrolytic nature of the metal chelates. The antimicrobial activities of the ligand and its metal complexes were estimated for eight bacteria, i.e., Escherichia coli, Staphylococcus aureus, Klebsiella pneumoniae, Mycobacterium smegmatis, Pseudomonas aeruginosa, Enterococcus cloacae, Bacillus megaterium and Micrococcus luteus and three fungi, i.e., Kluyveromyces fragilis, Rhodotorula rubra and Saccharomyces cerevisiae.

scholarly journals Synthesis, Characterization, and Biological Activity of Some Transition Metal Complexes of N-Benzoyl-N′-2-thiophenethiocarbohydrazide

2012 ◽  
Vol 2012 ◽  
pp. 1-8 ◽  
Author(s):  
Mahendra Yadav
Keyword(s):  
Magnetic Susceptibility ◽  
Biological Activity ◽  
Transition Metal ◽  
Metal Complexes ◽  
Transition Metal Complexes ◽  
Elemental Analysis ◽  
Spectral Studies ◽  
Antifungal Properties ◽  
Bacteria And Fungi ◽  
Antibacterial And Antifungal

In the present study, Mn(II), Fe(II), Ni(II), and Cu(II) complexes of N-benzoyl -N′-2-thiophenethiocarbohydrazide (H2 BTTH) have been synthesized and characterized by elemental analysis, magnetic susceptibility measurements, infrared, NMR, electronic, and ESR spectral studies. The complexes were found to have compositions [Mn(H BTTH)2], [Ni(BTTH)(H2O)2], [Cu(BTTH)], and [Fe(H BTTH)2EtOH]. The antibacterial and antifungal properties of H2 BTTH and its metal complexes have been screened against several bacteria and fungi.

scholarly journals Transition metal complexes with thiosemicarbazide-based ligands. Part 60. Reactions of copper(II) bromide with pyridoxal S-methylisothiosemicarbazone (PLITSC). Crystal structure of [Cu(PLITSC−H)H2O]Br•H2O

2014 ◽  
Vol 79 (3) ◽  
pp. 291-302 ◽  
Author(s):  
Vukadin Leovac ◽  
Ljiljana Vojinovic-Jesic ◽  
Sonja Ivkovic ◽  
Marko Rodic ◽  
Ljiljana Jovanovic ◽  
...  
Keyword(s):  
Crystal Structure ◽  
Thermal Analysis ◽  
Transition Metal ◽  
Metal Complexes ◽  
Transition Metal Complexes ◽  
Elemental Analysis ◽  
Structural Characterization ◽  
Electronic Spectra ◽  
Square Planar

The synthesis and structural characterization of a square-planar copper(II) complex with pyridoxal S-methylisothiosemicarbazone (PLITSC) of the formula [Cu(PLITSC?H)H2O]Br?H2O (1) as the first Cu(II) complex with monoanionic form of this ligand were described. Complex 1 together with two previously synthesized complexes [Cu(PLITSC)Br2] (2) and [Cu(PLITSC)Br(MeOH)]Br (3) were characterized by elemental analysis, IR and electronic spectra and also by the methods of thermal analysis, conductometry and magnetochemistry.

scholarly journals Reaktive π-Komplexe der elektronenreichen Übergangsmetalle, 11. Mitteilung/ Reactive π-Complexes of the Electron Rich Transition Metal Complexes, Part 11

1991 ◽  
Vol 46 (6) ◽  
pp. 729-737 ◽  
Author(s):  
Catherine Tolxdorff ◽  
Dongqi Hu ◽  
Bernhard Höferth ◽  
Hartmut Schaufele ◽  
Hans Pritzkow ◽  
...  
Keyword(s):  
Transition Metal ◽  
Metal Complexes ◽  
Transition Metal Complexes ◽  
Coordination Sphere ◽  
Room Temperature ◽  
Iron Complexes ◽  
Iron Complex

The highly reactive arene iron complex [(η4-toluene)(η6-toluene)iron] allows the formation of C4-units from alkynes below room temperature. By this route butadiene-, cyclobutadiene-, and ferracyclopentadiene(arene)iron complexes are accessible. Synthesis, structure and the properties of one example each are reported. Ferracyclopentadienes are potential intermediates for the catalytic cyclotrimerization of alkynes in the coordination sphere of arene iron complexes.

scholarly journals Synthesis and Spectral Studies of 4,4′-(Hydrazine-1,2-diylidenedimethylylidene)-bis-(2- methoxyphenol) and Its Transition Metal Complexes with Promising Biological Activities

2020 ◽  
Vol 32 (7) ◽  
pp. 1768-1772
Author(s):  
Anita Rani ◽  
Manoj Kumar ◽  
Hardeep Singh Tuli ◽  
Zahoor Abbas ◽  
Vinit Prakash
Keyword(s):  
Schiff Base ◽  
Transition Metal ◽  
Metal Complexes ◽  
Transition Metal Complexes ◽  
Schiff Base Ligand ◽  
Biological Activities ◽  
Condensation Reaction ◽  
Analytical Techniques ◽  
Spectral Studies

The study describes the synthesis, characterization and biological activity of a novel Schiff base ligand and its transition metal complexes. The Schiff base ligand was obtained by a condensation reaction between 4-hydroxy-3-methoxybenzaldehyde (p-vanillin) and hydrazine hydrate using ethanol as solvent. A new series of Ni(II) and Fe(III) complexes were also derived by reaction of prepared Schiff base ligand with NiCl2 and FeCl3. Both the ligand and its metal complexes were characterized by solubility, melting point and elemental analysis. These compounds were further identified by analytical techniques, FTIR, NMR and mass spectrometry. The ligand and its transition metal complexes were also subjected to in vitro biological activities i.e. antimicrobial, antiangiogenic and DNA photo cleavage. For antimicrobial activity compounds were tested against two strains of bacteria and two strains of fungi. Different concentrations of prepared compounds were treated with fertilized chicken eggs and plasmid DNA to find out antiangiogenic and DNA photocleavage activity, respectively.

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