Journal ArticleDOI
Oxovanadium(IV) and (V) complexes of acetylpyridine-derived semicarbazones exhibit insulin-like activity
Ana Mena Barreto Bastos,Jeferson G. Da Silva,Pedro I. S. Maia,Victor M. Deflon,Alzir A. Batista,Adaliene Versiani Matos Ferreira,Leida Maria Botion,Elke Niquet,Heloisa Beraldo +8 more
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In this article, the reaction of 2-acetylpyridine semicarbazone (H2APS), 3-acetelpyridine semicarazone(H3APS), 4-acetylonpyride semicaridine semicarizone (h4APS), and 4-acylpryidine semicarmazone with acetonitrile gave [VO(acac)2] (acac = acetylacetylacetonate) gave [V2(2APS) 2] (1, VO(H2About:
This article is published in Polyhedron.The article was published on 2008-04-25. It has received 58 citations till now. The article focuses on the topics: Semicarbazone.read more
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Thiosemicarbazones, semicarbazones, dithiocarbazates and hydrazide/ hydrazones: Anti - Mycobacterium tuberculosis activity and cytotoxicity
Fernando Rogério Pavan,Pedro I. S. Maia,Sergio Roberto de Andrade Leite,Victor M. Deflon,Alzir A. Batista,Daisy N. Sato,Scott G. Franzblau,Clarice Queico Fujimura Leite +7 more
TL;DR: The results are comparable to or better than those of "first line" or "second line" drugs commonly used to treat TB, suggesting these compounds as anti-TB drug candidates.
Journal ArticleDOI
Synthesis, characterization and crystal structure determination of a new oxovanadium(IV) Schiff base complex: The catalytic activity in the epoxidation of cyclooctene
Gholamhossein Grivani,Giuseppe Bruno,Hadi Amiri Rudbari,Aliakbar Dehno Khalaji,Pegah Pourteimouri +4 more
TL;DR: In this paper, a new oxovanadium(IV) Schiff base complex, VIVOL2 (1), was prepared by the reaction of a bidentate Schiff base ligand L and VO(acac)2 (L = N-salicylidin-2-chloroethylimine).
Journal ArticleDOI
Vanadium complexes with thiosemicarbazones: Synthesis, characterization, crystal structures and anti-Mycobacterium tuberculosis activity
Pedro I. S. Maia,Fernando Rogério Pavan,Clarice Queico Fujimura Leite,Sebastião S. Lemos,Gerimário F. de Sousa,Alzir A. Batista,Otaciro R. Nascimento,Javier Ellena,Eduardo E. Castellano,Elke Niquet,Victor M. Deflon +10 more
TL;DR: In this paper, three oxovanadium-IV and three cis-dioxovanadium(V) complexes with thiosemicarbazone derivatives bearing moieties with different lipophilicity have been prepared and had their inhibitory activity against Mycobacterium tuberculosis H37Rv ATCC 27294 evaluated.
Journal ArticleDOI
Coordination chemistry of non-oxido, oxido and dioxidovanadium(IV/V) complexes with azine fragment ligands
TL;DR: The role of azine fragment ligands for the development of the coordination chemistry of vanadium(IV/V) complexes is reviewed in this article, where a wide range of complexes with different donor ligands having non-oxido, oxido and dioxidovanadium centers are illustrated.
Journal ArticleDOI
Dithiocarbazate complexes with the [M(PPh3)]2+ (M═Pd or Pt) moiety: Synthesis, characterization and anti-Tripanosoma cruzi activity
Pedro I. S. Maia,André Fernandes,Jean Jerley Nogueira da Silva,Adriano D. Andricopulo,Sebastião S. Lemos,Ernesto Schulz Lang,Ulrich Abram,Victor M. Deflon +7 more
TL;DR: These complexes exhibited biological activity on extra and intracellular forms of Trypanosoma cruzi in a time- and concentration-dependent manner with IC(50) values ranging from 7.8 to 18.7 μM, while the ligand H(2)L(2a) presented a trypanocidal activity on trypomastigote form better than the standard drug benznidazole.
References
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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.
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Completion and refinement of crystal structures with SIR92
TL;DR: In this paper, an automatic procedure for recovering a complete crystal structure after a direct phasing process is described, which consists mainly of a Fourier recycling method that can be implemented in any direct-methods package.
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Inhibition of membrane phosphotyrosyl-protein phosphatase activity by vanadate.
TL;DR: Results show that vanadate is a potent and selective inhibitor of phosphotyrosyl-protein phosphatase.