Journal ArticleDOI
Synthesis, EPR and Mössbauer spectral studies of new iron(III) complexes with 2-benzoylpyridine-N(4), N(4)-(butane-1,4-diyl) thiosemicarbazone (HBpypTsc): X-ray structure of [Fe(BpypTsc)2]FeCl4 · 2H2O and the free ligand
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TLDR
In this article, the spin Hamiltonian parameters, isomer shifts and quadrupolar splitting values of the complexes were assigned by variable temperature EPR and Mossbauer spectra, and the presence of a spin-paired iron(III) cation with dxz2dyz2dxy1 ground state was revealed by the simulated EPR spectral data.About:
This article is published in Polyhedron.The article was published on 2004-03-25. It has received 65 citations till now. The article focuses on the topics: Electron paramagnetic resonance.read more
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Metal-Organic Frameworks Based on Trigonal Prismatic Building Blocks and the New “acs” Topology
TL;DR: Two 3-periodic metal-organic frameworks (MOFs) exemplify a new, high-symmetry topology termed acs which is identified here as the default arrangement for linking trigonal prisms together.
Journal ArticleDOI
2-Acetylpyridine Thiosemicarbazones are Potent Iron Chelators and Antiproliferative Agents: Redox Activity, Iron Complexation and Characterization of their Antitumor Activity
Des R. Richardson,Danuta S. Kalinowski,Vera Richardson,Philip C. Sharpe,David B. Lovejoy,Mohammad Islam,Paul V. Bernhardt +6 more
TL;DR: This investigation generated the related 2-acetylpyridine thiosemicarbazone (HApT) analogues to examine the influence of the methyl group at the imine carbon and identified structural features necessary to form Fe complexes with potent anticancer activity.
Journal ArticleDOI
Structural, antimicrobial and spectral studies of copper(II) complexes of 2-benzoylpyridine N(4)-phenyl thiosemicarbazone
Marthakutty Joseph,Mini Kuriakose,M.R. Prathapachandra Kurup,Eringathodi Suresh,Archana Kishore,Sarita G. Bhat +5 more
TL;DR: In this article, the reaction of 2-benzoylpyridine N(4)-phenyl thiosemicarbazone (HL) with a variety of copper salts yielded a series of copper(II) complexes of the type [CuLX] where X = Cl (1), Br (2), NO3 (3), NCS (4), N3 (5) excluding the perchlorate complex.
Journal ArticleDOI
Iron chelators of the dipyridylketone thiosemicarbazone class: precomplexation and transmetalation effects on anticancer activity.
Paul V. Bernhardt,Philip C. Sharpe,Mohammad Islam,David B. Lovejoy,Danuta S. Kalinowski,Des R. Richardson +5 more
TL;DR: The divalent Mn(II), Ni, Cu, and Zn(II) complexes of the HDpT analogues are equally active in preventing proliferation as their ligands, suggesting the complexes act as lipophilic vehicles facilitating intracellular delivery of the free ligand upon metal dissociation.
Journal ArticleDOI
Mn(II), Co(II) and Zn(II) complexes with heterocyclic substituted thiosemicarbazones: synthesis, characterization, X-ray crystal structures and antitumor comparison.
TL;DR: Preliminary in vitro screening indicated that all the tested compounds showed significant antitumor activity against K562 leucocythemia cancer cell line.
References
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The use of conductivity measurements in organic solvents for the characterisation of coordination compounds
Book
Infrared and Raman spectra of inorganic and coordination compounds
TL;DR: In this article, the normal modes of vibration are illustrated and corresponding vibrational frequencies are listed for each type, including diatomic, triatomic, fouratomic, five-atomic, six-atomic and seven-atomic types.
Book
The Theory of Transition-Metal Ions
TL;DR: In this paper, the strong-filed coupling scheme was proposed to overcome the weak-field coupling scheme in paramagnetic resonance, which was shown to be effective in the case of free atoms and ions.
Journal ArticleDOI
Antifungal and antitumor activity of heterocyclic thiosemicarbazones and their metal complexes: current status.
TL;DR: The reduction potential of the thiosemicarbazone ligand in a Cu(II) complex, the strength of the ligand field and various spectral properties can be correlated to the inhibitory activity.
Related Papers (5)
The wide pharmacological versatility of semicarbazones, thiosemicarba-zones and their metal complexes.
Heloisa Beraldo,Dinorah Gambino +1 more