Browsing Kimya Bölümü Makale Koleksiyonu by Title
Now showing items 2-21 of 21
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Antioxidant enzyme Inhibitor role of phosphine metal complexes in lung and leukemia cell lines
(HINDAWI LTD, 2014)Phosphine metal complexes have been recently evaluated in the field of cancer therapy. In this research, the cytotoxic effects of some metal phosphines {[PdCl2((CH2OH)(2)PCH2)(2)NCH3] (C1), [RuCl2 (((CH2OH)(2)PCH2)(2)NCH3)(2)] ... -
Colorimetric cadmium ion detection in aqueous solutions by newly synthesized Schiff bases
(SCIENTIFIC TECHNICAL RESEARCH COUNCIL TURKEY-TUBITAK, 2020)Two newly synthesized Schiff bases DMCA and DMBA were used for selective detection of Cd2+ over a wide range of other metal ions in acetonitrile (ACN)/ Tris-HCl buffer (10 mM, pH 7.32, v/v 2:1). The sensors can detect Cd2+ ... -
Copper-mediated N-arylation of methyl 2-aminothiophene-3-carboxylate with organoboron reagents
(PERGAMON-ELSEVIER SCIENCE LTD,, 2015)A practical protocol for the synthesis of N-arylated methyl 2-aminothiophene-3-carboxylate has been developed via Chan Lam cross-coupling. The desired products were synthesized by cross-coupling of methyl 2-aminothiophen ... -
Electrochemical performance of lithium molybdenum composite catalyst in oxygen reduction reaction
(ELSEVİER, 2015)A gel/LiMo catalyst was prepared as a cathode material via the solegel process and applied calcination at different times. The influence of calcination times, properties and the electrochemical performance of the catalyst ... -
Enhanced electrocatalytic efficiency of C/MWNTs for methanol oxidation using Ni deposited on MWNTs
(SCIENTIFIC TECHNICAL RESEARCH COUNCIL TURKEY-TUBITAK, 2015)The power density of direct methanol fuel cells (DMFCs) can be changed by using different anode materials. Especially porous materials are preferred for the anode. In the present study, multiwall carbon nanotubes were first ... -
Investigation of noble metal loading CoWZn electrode for HER
(ELSEVİER, 2017)It is important to metal deposition on the electrode surface to increase the electrocatalytic activity of the electrodes. CoWZn coated the graphite rod was used to prepare the cathode electrode. Moreover, then Pt and Ru ... -
Novel metal-free and metallophthalocyanines containing four 21-membered pentathiadiaza macrocycles: synthesis, characterization, and study of aggregation properties
(SCIENTIFIC TECHNICAL RESEARCH COUNCIL TURKEY-TUBITAK, 2014)Metal-free phthalocyanine 3 and its metallophthalocyanine derivatives 4, 5, and 6 (M = Zn, Co, and Ni) substituted with four 21-membered pentathiadiaza macrocycles were synthesized and their structures identified by elemental ... -
Palladium nanoparticles generated in situ used as catalysts in carbonylative cross-coupling in aqueous medium
(ROYAL SOC CHEMISTRY, 2016)Pd NPs, obtained in situ from imidazole complexes Pd(im)(2)Cl-2 (im - methylimidazole, butylimidazole), efficiently catalyze the carbonylative Suzuki coupling in water at 80 degrees C and 1 atm of CO. In the catalytic ... -
Palladium(II) Complexes of Monodentate Phosphine Ligands and Their Application as Catalyst in Suzuki-Miyaura C-C Coupling Reaction at Room Temperature
(Turkish Chemical Society, 2018)A series of palladium(II) complexes from monodentate phosphine ligands (1a-4a) were successfully prepared and characterized with1H,31P,13C NMR, and HRMS techniques. These pre-catalysts were applied for the Suzuki-Miyaura ... -
Photoredox cross-coupling: Ir/NidDual catalysis for the synthesis of Benzylic Ethers
(AMER CHEMICAL SOC., 2015)Single-electron transmetalation has emerged as an enabling paradigm for the cross-coupling of C-sp(3) hybridized organotrifluoroborates. Cross-coupling of alpha-alkoxymethyl-trifluoroborates with aryl and heteroaryl bromides ... -
Siklofosfazen türevlerinin maya kültür ortamlarında malondialdehit, glutatyon ve total protein miktarları üzerine etkileri
(KAHRAMANMARAS SUTCU IMAM UNIV REKTORLUGU, 2020)In this study; total protein, glutathione and lipid peroxidation (MDA) analyzes of five schiff bases that are newly synthesized were performed in S. cerevisiae culture media. YEPD medium was prepared for growth and ... -
Single-electron transmetalation: An enabling technology for secondary alkylboron cross-coupling
(AMER CHEMICAL SOC, 2015)Single-electron-mediated alkyl transfer affords a novel mechanism for transmetalation, enabling cross-coupling under mild conditions. Here, general conditions are reported for cross-coupling of secondary alkyltrifluoroborates ... -
Synthesis of C 2 -symmetric bisphosphines and their application in enantioselective transition metal catalysis
(Croatian Chemical Society, 2018)C2-symmetric bisphosphine ligands (with a dioxolane backbone) have been synthesized by using corresponding chiral bromo-substituted hydrobenzoin derivatives in two steps with moderate yields. The last step for desired ... -
Synthesis of metal-free and metallophthalocyanines containing 18-and 21-membered macrocycles with mixed donor atoms and their metal-ion binding properties
(SCIENTIFIC TECHNICAL RESEARCH COUNCIL TURKEY-TUBITAK, 2015)This paper describes the synthesis of a series of metal-free phthalocyanines and metallophthalocyanines peripherally substituted by macrocycles of different ring sizes with the same donor atom sets. The effects of varying ... -
Synthesis, characterization, and metal extraction studies of a new macrobicyclic ligand
(SCIENTIFIC TECHNICAL RESEARCH COUNCIL TURKEY-TUBITAK, 2015)This article describes the synthesis, characterization, and metal ion binding properties of a new macrobicyclic ligand. Solvent extraction experiments were performed in order to determine the extraction behavior of new ... -
The catalytic activity of Palladium(II) complexes containing PN ligands in the Heck and Suzuki C-C coupling reactions
(Turkish Chemical Society, 2018)A range of iminophosphine (PN) ligands ((C6H5)2P-C6H4-CH=NR (R=-C6H3(2-CH3)(4-OH) (1a),-CH2CH2C6H4(4-OH) (1b) and-C5H3N(2-CH3) (1c)) have been synthesized starting from 4-amino-3-methylphenol, 4-(2-aminoethyl)phenol and ... -
The effect of Variamine Blue B on brass corrosion in NaCl solution
(ELSEVİER, 2019)The effect of Variamine Blue B (4-Amino-4'-Methoxydiphenylamine-Diazonium Chloride, VBB) on the corrosion of Cu-35Zn alloy (brass) in 3.5% NaCl medium was studied at different concentrations and temperatures. For this ... -
The electrocatalytic properties of lithium copper composite in the oxygen reduction reaction
(ELSEVİER, 2014)A new carbon supported lithium-copper cathode catalyst (gel@LiCu) is composed of activated carbon (@) supported gel, LiNO3 and CuCl2 mixture is investigated in the oxygen reduction reaction. The gel@LiCu cathode, which ... -
The noble metal loading binary ironezinc electrode for hydrogen production
(ELSEVİER, 2017)The binary FeZn was electrodeposited on graphite surface for hydrogen evolution reactions. Then, zinc was leached from the surface by an etching method in alkaline solution. A trace amount of platinum and ruthenium ... -
Thermodynamic study and electrochemical investigation of calcein as corrosion inhibitor for mild steel in hydrochloric acid solution
(SOC CHILENA QUIMICA, 2013)The corrosion behaviour of mild steel in 1.0 M HCl solution containing different concentrations of Calcein at different temperatures was investigated using the impedance, potentiodynamic polarization and linear polarization ...