Ahmed S. Faihan

ORCID: 0000-0002-0569-1029
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About
Contact & Profiles
Research Areas
  • Metal complexes synthesis and properties
  • Organometallic Compounds Synthesis and Characterization
  • Crystal structures of chemical compounds
  • Synthesis and Characterization of Heterocyclic Compounds
  • Synthesis and biological activity
  • X-ray Diffraction in Crystallography
  • Inorganic and Organometallic Chemistry
  • Crystallization and Solubility Studies
  • Crystallography and molecular interactions
  • Synthesis and Biological Evaluation
  • Quinazolinone synthesis and applications
  • Phenothiazines and Benzothiazines Synthesis and Activities
  • Nonlinear Optical Materials Research
  • Organometallic Complex Synthesis and Catalysis
  • Synthesis of Tetrazole Derivatives
  • Magnetism in coordination complexes
  • Metal-Catalyzed Oxygenation Mechanisms
  • Computational Drug Discovery Methods

University of Tikrit
2021-2024

A series of mixed ligand complexes Pd(II) and Pt(II) 1-cyclohexyl-3-phenylthiourea diamine ligands {2,2'-bipyridyl (Bipy) 1,10-phenanthroline (Phen)} were prepared characterized by FT-IR, NMR spectroscopy, molar conductivity. Density functional theory (DFT) calculations biological activity carried out on the complexes. In vitro antimicrobial was investigated against three pathogenic bacteria (Staphylococcus aureus, Bacillus cereus Escherichia coli). The most active compound 6 found more than...

10.4314/bcse.v39i1.2 article EN cc-by Bulletin of the Chemical Society of Ethiopia 2024-10-25

The reaction between [PtCl2(L-L)] (L-L = dppe, dppp, dppb, dppf, Phen and Bipy) or [PtCl2(PPh3)2] with 1-benzyl-3-phenylthiourea (H2BPT) in a basic medium (CHCl3/EtOH) created new coordinated square planner Pt(II) complexes [Pt(BPT)(L-L)] (1–4,6,7) [Pt(BPT)(PPh3)2] (5) types. These were fully characterized by analytical spectroscopic techniques (i.e., IR, UV. Vis., 1H, 31P NMR). results indicated that the thiourea derivative ligand act as dianion bonded through both S N atoms chelating mode...

10.3390/inorganics11030125 article EN cc-by Inorganics 2023-03-16

Mixed ligand complexes of Pd(II) and Cd(II) with N-picolyl-amine dithiocarbamate (PAC-dtc) as primary tertiary phosphine secondary ligands have been synthesized characterized via elemental analysis, molar conductance, NMR (1H 31P), IR techniques. The PAC-dtc displayed in a monodentate fashion sulfur atom whereas diphosphine coordinated bidentate mode to afford square planner around the ion or tetrahedral ion. Except for [Cd(PAC-dtc)2(dppe)] [Cd(PAC-dtc)2(PPh3)2], prepared showed significant...

10.3390/molecules28052305 article EN cc-by Molecules 2023-03-02

The treatment of N-Phenylmorpholine-4-carbothioamide (HPMCT) with bivalent metal ions in a 2:1 mol ratio without base present affords [MCl2(κ1S-HPMCT)2] {M = Cu(1), Pd(2), Pt(3), and Hg(4)} good yield. Furthermore, the reaction two equivalents HPMCT one equivalent presence Et3N has afforded [M(κ2S,N-PMCT)2] Ni(5), Cu(6), Pd(7), Pt(8), Zn(9), Cd(10), Hg(11)}. Infrared, 1H, 13C Nuclear Magnetic Resonance molar conductivity, elemental analysis were used to characterize synthesized complexes....

10.3390/inorganics11100390 article EN cc-by Inorganics 2023-09-30

Abstract A series of metal (II) complexes N‐cyclohexyl amine dithiocarbamate ligand are synthesized and characterized by Fourier transform infrared, 1 H, 13 C NMR, mass spectroscopy, elemental analysis. The surface structural pattern the prepared were investigated scanning electron microscope X‐ray diffraction techniques. possessed crystalline characteristic with size average ranging from 16 to 30 nm. Moreover, biological activity tested against Klebsiella pneumoniae , Escherichia coli...

10.1002/qua.27191 article EN International Journal of Quantum Chemistry 2023-07-07

In the current work, we report synthesis and characterization of new dithiocarbamate complexes derived from 1,2-benzoisothiazol-3(2H)-one (BitH). The ligand was synthesized by treating BitH with carbon disulfide in a basic solution. NMR technique confirmed preparation ligand. treatment Bit-dtcNa metal salt’s solution afforded type [M(Bit-dtc)2]; M = Zn, Cd, Hg, Pd, Pt. were characterized via FT-IR 1H-NMR techniques. Pt investigated theoretically, some their quantum properties determined....

10.4314/bcse.v38i4.6 article EN cc-by Bulletin of the Chemical Society of Ethiopia 2024-04-30

Treatment of N-Phenylmorpholine-4-carbothioamide (HPMCT) with bivalent metal ions in 2:1 mol ratio without base present affords [MCl2(κ1S-HPMCT)2] {M = Cu(1), Pd(2), Pt(3) and Hg(4)} good yield. Further, reaction two equivalents HPMCT one equivalent Et3N as a afforded [M(κ2S,N-PMCT)2] Ni(5), Cu(6), Pd(7), Pt(8), Zn(9), Cd(10) Hg(11)}. FTIR, 1H, 13C NMR, molar conductivity elemental analysis were used to characterize the synthesized complexes. Results suggested that was bonded mono-dentate...

10.2139/ssrn.4539217 preprint EN 2023-01-01
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