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Öğe Electrochemical behaviour of 5-(Furan-2-yl)-4-(p-tolyl)-2,4-dihydro-1,2,4-triazole-3-thione by using glassy carbon electrode(Asian Journal Of Chemistry, 2007) Dilgin, Yusuf; Cansiz, Ahmet; Cetin, Ahmet; Kutulay, Pelin; Oral, Ayhan; Yilmaz, SelahattinThe electrochemical study of a thiotriazole compound, 5-(furan-2-yl)-4-(p-tolyl)-2,4-dihydro-1,2,4-triazole-3-thione (TTA) was performed by cyclic voltammetry (CV) and differential pulse voltammetry (DPV) using glassy carbon electrode (GCE) as working electrode and an Ag/AgCl reference electrode. The dependence of the current on pH and scan rate was investigated in the Britton Robinson Buffer. The best results for electrooxidation of TTA were obtained in basic media (pH 11.0 containing 5 % DMSO). This compound display one irreversible oxidation peak, which is attributed to a dimerization process involving the formation disulphide derivative.Öğe Electrochemical behaviour of 5-benzyl-4-(4'-methylphenyl)-4H-1,2,4-triazole-3-thiol by voltammetry(Indian Chemical Soc, 2007) Dilgin, Yusuf; Koparir, Metin; Cetin, Ahmet; Cansiz, Ahmet; Yilmaz, Selehattin; Giray, DidemThe electrochemical study of a thiotriazole compound, 5-benzyl-4-(4'-methylphenyl-4H-1,2,4-triazole-3-thioI (TTA) was made with cyclic voltammetry (CV) and differential pulse voltammetry (DPV) using glassy carbon electrode (GCE) as working electrode and an Ag/AgCl reference electrode in the Britton- Robinson buffer. The best results for electrooxidation of TTA were obtained in basic media (in 10% ethanol-0.2 M NaOH). This compound display one irreversible oxidation peak, which is attributed to a dimerization process involving the formation of disulphide derivative (EC mechanism).Öğe Palladium(II) complexes bearing bidentate pyridyl-sulfonamide ligands: Synthesis and catalytic applications(Pergamon-Elsevier Science Ltd, 2015) Dayan, Serkan; Cetin, Ahmet; Arslan, N. Burcu; Ozpozan, Nilgun Kalaycoiglu; Ozdemir, Namik; Dayan, OsmanNew palladium(II) complexes aPd(1-5)(2)], 6-10, (1-5 = bidentate pyridyl-sulfonamide ligands)) were obtained from the reaction between Pd(OAc)(2) and bidentate pyridyl-sulfonamide ligands. The synthesized compounds were characterized by elemental analysis, TG, NMR, IR and X-ray diffraction. The Pd(II) complexes 6-10 were investigated as catalysts for the oxidation of benzyl alcohol to benzaldehyde in the presence of periodic acid as the oxidant and acetonitrile as the solvent under reflux. All the complexes were moderately active catalysts for the catalytic reaction (the oxidation of benzyl alcohol to benzaldehyde), with good yields under mild conditions. (C) 2014 Elsevier Ltd. All rights reserved.Öğe Transfer Hydrogenation of Acetophenone Catalyzed by in situ Generated 2,6-Bis(5-thioxo-4,5-dihydro-1,2,4-triazole-3-yl)pyridine-ruthenium(II) Complexes(Wiley-V C H Verlag Gmbh, 2009) Cetin, Ahmet; Dayan, Osman2,6-Bis(5-thioxo-4,5-dihydro-1,2,4-triazole-3-yl)pyridines (3, 4) were used for the first time as ligand in ruthenium catalyzed transfer hydrogenation of acetophenone. The in situ prepared three-component system Ru(II)/tridentate triamine ligands (3a-3d, 4a-4d) and KOH catalysed the transfer hydrogenation reaction of acetophenone in good yields under mild conditions.