Stereochemistry of new nitrogen containing heterocyclic aldehyde. IX. Spectroscopic studies on novel mixed-ligand complexes of Rh(III)

The present work has been designed for the characterization and antibacterial studies of mixed ligand complexes of Pd(II) ions with phthalic acid and heterocyclic amines. The general formula of the complexes is (MLL/) [where, M = Pd(II); L = Oxalic acid, C2O4, L/ = Quinoline, C9H7N(1); iso-Quinoline, C9H7N(2)]. The complexes were prepared in the solid form and characterized by elemental analysis, conductivity & magnetic measurements and infrared & electronic spectroscopic studies. The infrared spectra of the complexes confirmed the coordination of metal ion with ligands. Their antibacterial activity has been evaluated by the disc diffusion method against seven pathogenic bacteria (three gram positive and four gram negative). The complexes were shown to exhibit mild to moderate antibacterial activity against the tested bacteria. DOI: http://dx.doi.org/10.3329/bpj.v17i1.22314 Bangladesh Pharmaceutical Journal 17(1): 46-50, 2014

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Synthesis and Spectroscopic Studies of New Palladium(II) Complexes of N-hydroxymethyl Saccharin (Sac-CH2OH) and Amines or Diaminas Ligands

Oriental Journal Of Chemistry ◽

10.13005/ojc/350121 ◽

2019 ◽

Vol 35 (1) ◽

pp. 186-192 ◽

Cited By ~ 1

Author(s):

Ahmed S. Al-Janabi ◽

Adnan A. Al-Dulaimi ◽

Hayfa M. Gergees ◽

Mohammed H. Saleh

Keyword(s):

1H Nmr ◽

Nmr Spectra ◽

Spectroscopic Studies ◽

Mixed Ligand ◽

1H Nmr Spectra ◽

Ethylene Diamine ◽

Mixed Ligand Complexes ◽

Conductivity Measurements

Treatment of the chelated palladium(II) complex, trans-[Pd(K2-Sac-CH2O)2].2H2O with one mole equivalent of the diammines (L-L), L-L = 2,2'-bipyridine (bipy),. ethylene diamine (en), 1,10-phenanthroline (phen), or N,N-dimethyl ethylene diammine (dmen) in EtOH solvent afforded mixed ligand complexes of the type [Pd(K1-Sac-CH2O)2(L-L)] in 82-93% yield. While treatment of trans-[Pd(K2-Sac-CH2O)2].2H2O with two mole equivalents of the monoamines (L), L=pyridine (py), 3-methylpyridine (3-mpy) or 3-aminopyridine (3-apy) in EtOH solvent gave trans-[Pd(K1-Sac-CH2O)2(L)2] complexes in 86-89% yield The prepared complexes were characterized by elemental CHN analysis, .conductivity measurements,. infrared and 1H nmr spectra.

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X-ray crystal, magnetic and spectroscopic studies of dicopper mixed-ligand complexes containing bridged bis(β-diketonate) and tetramethylethylenediamine ligands

Polyhedron ◽

10.1016/s0277-5387(00)86617-6 ◽

1994 ◽

Vol 13 (20) ◽

pp. 2861-2866 ◽

Cited By ~ 8

Author(s):

Y.Y. Lim ◽

W. Chen ◽

L.L. Tan ◽

X.Z. You ◽

T.M. Yao

Keyword(s):

Spectroscopic Studies ◽

Mixed Ligand ◽

Mixed Ligand Complexes ◽

X Ray

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Synthesis, Characterization and Antibacterial Studies of the Mixed Ligand Complexes of Pd(II) and Pt(II) Ions with Phthalic Acid and Heterocyclic Amines

Bangladesh Pharmaceutical Journal ◽

10.3329/bpj.v17i2.22333 ◽

2015 ◽

Vol 17 (2) ◽

pp. 157-162

Author(s):

Md Belayet Hossain ◽

Md Abdus Salam ◽

Abdur Rashed ◽

MA Yousuf

Keyword(s):

Metal Ion ◽

Phthalic Acid ◽

Pathogenic Bacteria ◽

Magnetic Measurements ◽

Spectroscopic Studies ◽

Mixed Ligand ◽

Bacterial Activity ◽

Heterocyclic Amines ◽

Mixed Ligand Complexes ◽

Diffusion Method

Mixed ligand complexes of Pd(II) and Pt(II) ions with phthalic acid and heterocyclic amines were synthesized and characterized. The general formula of the complexes is [MLL/]; where, M = Pd(II)(1-2), Pt(II)(3); L = phthalate, C8H4O4, L/ = pyridine, C5H5N(1); 2-aminopyridine, C5H6N2(2) and 4-picoline, C6H7N(3). The complexes were synthesized in the solid form and characterized by elemental analysis, electrical conductivity, magnetic measurements, and spectroscopic studies. Spectral analyses and magnetic measurements revealed the coordination of metal ion with ligands and geometry of the complexes. Anti-bacterial activity of the complexes against seven pathogenic bacteria (three gram positive and four gram negative) was assessed by the disc diffusion method. Complexes [Pd(Ph)(2-apy)] and [Pt(Ph)(4-pico)2] showed the highest anti-bacterial activity (when, Ph = bidentate phthalate, 2-apy = 2-aminopyridine and 4-pico = 4-picoline). DOI: http://dx.doi.org/10.3329/bpj.v17i2.22333 Bangladesh Pharmaceutical Journal 17(2): 157-162, 2014

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Mixed Ligand Complexes of Hg-tetrazole-thiolate with phosphine, Synthesis and spectroscopic studies.

Tikrit Journal of Pure Science ◽

10.25130/j.v24i5.860 ◽

2019 ◽

Vol 24 (5) ◽

pp. 10 ◽

Cited By ~ 3

Author(s):

Osama'a A. Y. Al-Samrai ◽

Ahmed S. M. Al-Janabi2 ◽

Eman A. Othman1

Keyword(s):

Sulfur Atom ◽

Thiol Group ◽

Spectroscopic Studies ◽

Ethanol Solution ◽

Molar Conductivity ◽

Mixed Ligand ◽

Mixed Ligand Complexes ◽

Diphosphine Ligands ◽

Tetrahedral Geometry ◽

Elemental Analyses

Seven new complexes [Hg(k1-ptt)2](1), [Hg(k1-ptt)2(dppm)](2), [Hg(k1-ptt)2(dppe)](3), [Hg(k1-ptt)2(dppp)](4), [Hg(k1-ptt)2(dppb)](5), [Hg(k1-ptt)2(dppf)] (6), and [Hg(k1-ptt)2(PPh3)2] (7) have been synthesized and characterized. The reaction of two moles equivalent of 1-Phenyl-1H-tetrazole-5-thiol (Hptt) with one mole equivalent of Hg(oAc)2.xH2O in ethanol solution afford [Hg(k1-ptt)2] (1). Treatment of (1) with one mole equivalent of diphos (diphos : dppm, dppe, dppp, dppb, dppf) or two moles equivalent of PPh3 afforded a complexes of the types [Hg(k1-ptt)2(diphos)] (2-6) or [Hg(k1-ptt)2(PPh3)2] (7). The prepared complexes have been characterized by CHNS elemental analyses, molar conductivity, IR and NMR (1H, 13C and 31P) spectroscopy. In all complexes, the ptt- ligand is bonded through the sulfur atom of deprotonated thiol group, whereas the diphosphine ligands bonded as bidentate chelating and PPh3 bonded as a monodentate, to afford a tetrahedral geometry around the Hg+2 ion. http://dx.doi.org/10.25130/tjps.24.2019.083

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