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Showing 1 to 20 of 69 for “"platinum(II)"”.
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NEW NCN-PLATINUM(II) COMPLEXES WITH LUMINESCENT PROPERTIES
… and characterization of novel NCN-based platinum(II) complexes, obtaining more than twenty completely new compounds. These complexes have a terdentate chelating ligand with the general scaffold of a 1,3-di(2-pyridyl)benzene and were designed following different strategies: i) Complexes …
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Alkene oxidation by platinum (II) oxo/hydroxo complexes
… reaction between NB and the novel (1,5-COD)Pt(II)-hydroxo complex [(COD)2Pt(OH)2]2+ (4) is observed and the protonated platinaoxetane [(COD)Pt(OH)C7H10)]+ (5) is formed in quantitative yield. Both Pt-hydroxo complex 4 and protonated platinaoxetane 5 are found to be important species in the …
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Inhibition of Cysteine Protease by Platinum (II) Diamine Complexes
… of how the size and shape and leaving ligands of platinum complexes affect cysteine protease, papain enzyme are studied. This could give new ways to optimize anticancer activity. The activity of papain enzyme was measured on UV-Visible spectroscopy. The inhibition profile of papain with different …
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A spectroscopic study of square planar platinum (II) complexes
… in the structural analysis of square planar Pt(II) complexes.
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Reactions of Platinum(II) Compounds with Selenium Containing Amino Acids
<p>Platinum(II) anticancer medications essentially react with DNA forming kinks in<br />the double helix of DNA and causing apoptosis. It has also been noted that these<br />anticancer medications react with methionine and cysteine in the body. With the new discoveries of selenium containing amino …
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Pyrolysis and Hydrolytic Cleavage of Vinyl- and Allylsilane Platinum (II) Complexes
No abstract prepared.
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Pyrolysis and Hydrolytic Cleavage of Vinyl- and Allylsilane Platinum (II) Complexes
No abstract prepared.
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Complexes of Platinum(II) and Iridium(III) with Liquid Crystal and Luminescent Properties
… 2-phenylpyridine complexes of two metals, platinum(II) with its square planar geometry, and iridium(III) with its octahedral geometry, and the aim is to modify the ligand structures so that, in combination with the metal, liquid-crystalline complexes result that retain the emissive …
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Gold(II) fluorosulfate derivatives and new gold(I) and platinum(II) carbonyl complexes
… mixed valency compound of the composition AuIituIII(SO3F)4. The orange solid was isolated and studied by vibrational spectroscopy. Dissolution of AulAu111(--3 F)4 in HSO3F produced an ESR active species in a highly unsymmetrical environment, postulated to be[Au(SO3F)4]2-, on account of partly …
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Development of Two Novel Families of Platinum(Ii) Coordination Complexes for Nucleic Acid Recognition
… and characterize novel G4 binders based on a platinum(II) coordination platform with high G4 affinity, with the future goal of assessing their G4-recognition and stabilization abilities. The first family of novel complexes contains an aromatic platform functionalized with moieties that could …
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Effect of Leaving Ligands of Platinum(II) Diamine Complexes on DNA and Protein Residues
<p>Platinum compounds are widely used drugs in cancer treatments. Although DNA is the biological target, reaction of platinum compounds with proteins is also potentially significant. Our objective is to study the effects of leaving ligands on the relative reactivity between 5'-GMP (guanosine 5' …
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The preparation of the coordination compounds of platinum (II) and arginine, histidine, lysine, and serine
… the preparation of the coordination compounds of platinum (II) and four alpha-amino acids, namely arginine, histidine, lysine, and serine. A first analysis of the problem would seem to indicate that the preparations should be straightforward and not difficult. Bailar (3) stresses the great …
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The synthesis and characterization of water soluble platinum (II) pophyrins and their potential as radiosensitizers
… termed radiosensitizers. The synthesis of novel platinum(II) porphyrins was undertaken in an attempt to create effective new radiosensitizers. Platinum complexes of the methylated pyridinium porphyrins(shown in the figure below) were synthesized, and characterized by elemental analysis, 1H and …
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Exploring the binding of amine and sulfonamide ligands in Rhenium(I) Tricarbonyl and Platinum(II) complexes
Platinum is the metal present in various classes of inorganic medicinal agents directed at important diseases such as cancer or viral infections. Several new Pt(II) complexes of polyamine ligands bearing a dansyl moiety linked by a sulfonamide group were prepared; in some cases the sulfonamide …
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Gold(I) and Platinum(II)-Catalyzed Hydrofunctionalization of Allenes and Alkenes with Carbon and Nitrogen Nucleophiles
… allenes and various indoles.</p> </p><p><p>Platinum(II) bis(phosphine) complexes catalyzed the intermolecular hydroamination of monosubstituted allenes with secondary alkylamines in good yield with selective formation of (<italic>E</italic>)-allylic amines. The scope of the protocol included …
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Pyrazole and pyrazolyl palladium(II) and platinum(II) complexes: synthesis and in vitro evaluation as anticancer agents
The use of metallo-pharmaceuticals, such as the platinum drugs, for cancer treatment illustrates the utility of metal complexes as therapeutic agents. Platinum group metal complexes therefore offer potential as anti-tumour agents to fight cancer. This study was aimed at synthesizing and evaluating …
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