Browsing Kimya Bölümü Makale Koleksiyonu by Author "Fen-Edebiyat Fakültesi"
Now showing items 1-17 of 17
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3-Aminoquinazolinone–phosphine ligands and their ruthenium(II) complexes: application in catalytic hydrogenation and transfer hydrogenation reactions
Yılmaz, Mustafa Kemal; Keleş, Mustafa (Springer International Publishing, 2018)In the initial online publication, there was a mistake in the title. The first words read “3-Aminoquinazolinone–phosphine” instead of “3-Aminoquinazolinone–phosphine”. The original article has been corrected. -
Antioxidant enzyme Inhibitor role of phosphine metal complexes in lung and leukemia cell lines
Saygıdeğer Demir, Burcu; Keleş, Tuğba; Serindağ, Osman (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
Aydın, Ziya; Keleş, Mustafa (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
Rizwan, Komal; Karakaya, İdris; Heitz, Drew; Zubair, Muhammad; Rasool, Nasir; Molander, Gary A. (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 ... -
Enhanced electrocatalytic efficiency of C/MWNTs for methanol oxidation using Ni deposited on MWNTs
Farsak, Murat; Gardaş, Gülfeza (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 ... -
Novel metal-free and metallophthalocyanines containing four 21-membered pentathiadiaza macrocycles: synthesis, characterization, and study of aggregation properties
Gök, Halil Zeki; Farsak, Berna; Keleş, Hülya; Keleş, Mustafa (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
Wojcik, P.; Mart, M.; Ulukanlı, Sabri; Trzeciak, A. M. (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
Yılmaz,Mustafa Kemal; İnce, Simay (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
Karakaya, İdris; Primer, David N.; Molander, Gary A. (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
Özşahin, Ayşe Dilek; Beşer, Derya; Öztürk, Ali İhsan; Aslan, Fatih; Yılmaz, Ökkeş (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
Primer, David N.; Karakaya, İdris; Tellis, John C.; Molander, Gary A. (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
Gök, Halil Zeki; Kılıçarslan, Seda; Gök, Yaşar (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
Gök, Halil Zeki (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
Gök, Halil Zeki; Gök, Yaşar; Eker, Esra (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
Yılmaz, Mustafa Kemal; Keleş, Mustafa (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
Keleş, Hülya (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 ... -
Thermodynamic study and electrochemical investigation of calcein as corrosion inhibitor for mild steel in hydrochloric acid solution
Özkır, Demet; Bayol, Emel; Gürten, A. Ali; Sürme, Yavuz (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 ...