Yazar "Serbest, Kerim" için listeleme
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Acetate bridged dinuclear Cu(II) complexes with ferrocene based benzimidazol ligands: Synthesis, spectroscopy, electrochemistry, DFT calculations and catecholase activity
Karaoğlu, Kaan; Emirik, Mustafa; Menteşe, Emre; Zengin, Ali; Serbest, Kerim (Pergamon-Elsevier Science Ltd, 2016)Two new benzimidazole ligands, 1-[(E)-ferrocenylmethylidenehydrazino]-2-{5,6-dichloro-2-[(o-chloro-phenyl)methyl]-1,3-diaza-1H-inden-1-yl}-1-ethanone (1) and 1-[(E)-ferrocenylmethylidenehydrazino]-2-{2-[p-(trifluoromethy ... -
Binuclear Cu(II), Ni(II) and Zn(II) complexes of hydrazone Schiff bases: Synthesis, spectroscopy, DFT calculations, and SOD mimetic activity
Zengin, Ali; Serbest, Kerim; Emirik, Mustafa; Özil, Musa; Menteşe, Emre; Faiz, Özlem (Elsevier, 2023)Two new salicylaldimine-based N-heterocyclic hydrazone ligands, N'-[(2-hydroxyphenyl) methylene]2-(2-phenyl-1H-benzimidazol-1-yl)acetohydrazone (H 2 L 1 ) and 2-[2-(3-chlorobenzyl)-1H-benzimidazol-1yl]-N'-[(2-(hydroxyimi ... -
Binuclear transition metal complexes of a novel lateral ‒N-methylthiosemicarbazone through the central ethylene bridge: Synthesis, structural characterization and the response of ligand molecule to different solvent media
Er, Mustafa; Sancak, Kemal; Değirmencioğlu, İsmail; Serbest, Kerim (Elsevier, 2008)The condensation of 2,2?-(2,3-bis((1-formylnaphthalen-2-yloxy)methyl)but-2-ene-1,4-diy l)bis(oxy)di-1-naphthaldehyde with 4-methyl thiosemicarbazide gave a novel N-methylthiosemicarbazone and then the reaction of this ... -
Ferrocenyl-substituted dinuclear Cu(II) complex: Synthesis, spectroscopy, electrochemistry, DFT calculations and catecholase activity
Emirik, Mustafa; Karaoğlu, Kaan; Serbest, Kerim; Menteşe, Emre; Yılmaz, İsmail (Elsevier Science Bv, 2016)A new ferrocenyl-substituted heterocyclic hydrazide ligand and its Cu(II) complex were prepared. the DFT calculations were performed to determine the electronic and molecular structures of the title compounds. the electronic ... -
Heteroligand bivalent transition metal complexes with an azo-oxime ligand and 1,10-phenanthroline: Synthesis, spectroscopy, thermal analysis, DFT calculations and SOD-mimetic activities
Serbest, Kerim; Dural, Turan; Emirik, Mustafa; Zengin, Ali; Faiz, Özlem (Elsevier B.V., 2021)Novel mononuclear heteroligand transition metal complexes: [M(HL)(phen)2]ClO4, (M: Mn(II) for 1, Ni(II) for 2), [M(HL)(phen)(ClO4)], (Ni(II) for 3, Cu(II) for 4, Zn(II) for 5) with 2-[(E)-(hydroxyimino)methyl]-4-[(E)-phe ... -
Iron(III) complexes derived from azo-containing salicylaldoxime ligands: Synthesis, structures and biological evaluations
Serbest, Kerim; Dural, Bayram; Çöl Ayaz, Melek; Zengin, Ali; Emirik, Mustafa (TUBİTAK Scientific & Technical Research Council Turkey, 2021)Two novel mononuclear Fe(III) complexes derived from azo-containing salicylaldoxime ligands were synthesized and characterized by elemental analyses, spectroscopic data i.e. IR, 1H NMR, UV-Vis, electrospray ionization mass ... -
Microwave-assisted synthesis and characterization and theoretical calculations of the first example of free and metallophthalocyanines from salen type Schiff base derivative bearing thiophen and triazole heterocyclic rings
Serbest, Kerim; Değirmencioğlu, İsmail; Ünver, Yasemin; Er, Mustafa; Kantar, Cihan; Sancak, Kemal (Elsevier, 2007)Novel metal-free and metallophthalocyanine complexes of Co, Ni, Cu, and Zn have been synthesized by exposure to microwave irradiation and reflux conditions and the products purified by several techniques. The newly prepared ... -
Mononuclear Cu(II) complex of an oxime ligand derived from N-Heterocyclic hydrazide: Synthesis, spectroscopy, electrochemistry, DFT calculations and catecholase activity
Zengin, Ali; Karaoğlu, Kaan; Emirik, Mustafa; Menteşe, Emre; Serbest, Kerim (Elsevier Science Bv, 2019)A new oxime derivative N-heterocyclic hydrazide ligand, N'-[(1E,2E)-2-(hydroxyimino)-1-methylpropylidene]-2-[(4-methyl-5-phenyl-4H-1,2,4-triazol-3-1)thio] acetohydrazide (1) and its mono-nuclear copper(II) complex (1a) ... -
New olefinic centred binuclear clamshell type phthalocyanines: Design, synthesis, structural characterisation, the stability and the change in the electron cloud at olefine-based symmetrical diphthalonitrile fragment by the combined application of UV-Vis electronic structure and theoretical methods
Değirmencioğlu, İsmail; Bayrak, Rıza; Er, Mustafa; Serbest, Kerim (Elsevier, 2011)The olefinic centred Schiff base (3) was obtained from the condensation of substituted dialdehyde (1) with 2-amino-4-methylphenol (2) in a 1:2 ratio. The diphthalonitrile derivative (5) was prepared by the reaction of ... -
Ni(II), Cu(II), and Zn(II) complexes of tetradentate schiff base containing two thiadiazoles units: Structural, spectroscopic, magnetic properties, and molecular modeling studies
Serbest, Kerim; Kayı, Hakan; Er, Mustafa; Sancak, Kemal; Değirmencioğlu, İsmail (Wiley, 2008)Four new mononuclear metal complexes with a mononucleating Schiff base ligand containing two thiadiazoles units have been synthesized. The ligand and metal complexes were characterized by elemental analyses, IR, 1H, and ... -
Novel phthalocyanines containing substituted salicyclic hydrazone-1,3-thiazole moieties: Microwave-assisted synthesis, spectroscopic characterization, X-ray structure and thermal characterization
Değirmencioğlu, İsmail; Atalay, Esra; Er, Mustafa; Köysal, Yavuz; Işık, Şamil; Serbest, Kerim (Elsevier, 2010)Novel, metal-free and metallo(Cu, Co, Ni, Zn, Pb and Mn)phthalocyanine compounds were synthesized by exposure to microwave irradiation and the products purified. The newly prepared compounds were characterized using elemental ... -
Oxime derivative unsymmetrical azine, its Ni(II), Cu(II) and Zn(II) complexes: Synthesis, spectroscopy and catecholase activity
Serbest, Kerim; Göktekin, Özge; Karaoğlu, Kaan; Zengin, Ali; Coruh, Ufuk (Wiley-Hindawi, 2018)1-[(Z)-{(2E)-[(3E)-3-(hydroxyimino)butan-lidene]hydrazinylidene}methyl]naphthalen -2-ol, H2L (3) was synthesized by the agents of 2-hydroxy-1-naphtaldehyde, 2,3-butanedione monoxime and hydrazine in two steps. the structures ... -
Spectroscopic, electrochemical, theoretical characterization and biological evaluation of a ferrocenyl-substituted unsymmetric azine ligand and its Cu(II) complex
Özel, Arzu; Karaoğlu, Kaan; Serbest, Kerim; Gürcan, Nihan; Emirik, Mustafa; Coruh, Ufuk (Taylor & Francis Ltd, 2016)Ferrocenyl-substituted unsymmetrical azine and its Cu(II) complex were prepared. the redox active ferrocene-based azine was obtained by condensation of 1-[(E)-hydrazono]-5-bromo-2-hydroxybenzene with ferrocene carboxaldehyde. ... -
Studies on synthesis, structure, and DNA cleaving of homo-dinuclear Mn(II), Cu(II), Ni(II), and Zn(II) complexes with a heterocycle-based macroacyclic Schiff base
Baran, Talat; Karaoğlu, Kaan; Serbest, Kerim; Ağır, Hülya; Sandallı, Cemal; Değirmencioğlu, İsmail (Springer Wien, 2013)(E,E',E'',E''')-N,N',N'',N'''-[(1,2-ethenyliden)tetrakis[methylenoxy(2,1-naphthalinediyl)methylidyne]tetrakis[1,2,4-triazol-4-amine] and its novel homo-dinuclear Mn(II), Ni(II), Cu(II), and Zn(II) complexes have been ... -
Synthesis and spectroscopic studies of homo-binuclear, alkoxo bridged homo- and hetero-tetranuclear metal complexes of a bis-N 2O 4 Schiff base ligand derived from ethanolamine and macroacyclic tetranaphthaldehyde
Karaoğlu, Kaan; Baran, Talat; Değirmencioğlu, İsmail; Serbest, Kerim (Elsevier, 2011)Three new homo-binuclear Ni(II), Cu(II), Zn(II) complexes (2-4), homo-tetranuclear Cu(II) complex (5), and hetero-tetranuclear Cu(II)-Ni(II) complex (6) of a macroacyclic potentially bis-hexadentate N 2O 4 Schiff base have ... -
Synthesis, characterization and properties of tetra((l-hydroxyimino- methylnaphthalen-2-yloxy)methyl)etheneandits homo-dinuclear metal complexes: A combined experimental and theoretical investigation
Serbest, Kerim; Karaoğlu, Kaan; Erman, Murat; Er, Mustafa; Değirmencioğlu, İsmail (Elsevier B.V., 2010)Tetra((l-hydroxyiminomethylnaphthalen-2-yloxy)methyl)ethene (THlMNYOME), H4L, was synthesized by the agents of 2-hydroxy-l -naphtaldehyde, tetra(bromomethyl)ethene and hydroxylamine hydrochloride in two steps. Characterization ... -
Synthesis, in vitro DNA interactions, cytotoxicities, antioxidative activities, and topoisomerase inhibition potentials of Mn(II), Co(II), Ni(II), Cu(II), and Zn(II) complexes with azo-oxime ligands
Ayvaz, Melek Çol; Turan, İbrahim; Dural, Bayram; Demir, Selim; Karaoglu, Kaan; Aliyazıcıoğlu, Yüksel; Serbest, Kerim (Scientific Technical Research Council Turkey, 2017)Mn(II), Co(II), Ni(II), Cu(II), and Zn(II) transition metal complexes of 2-hydroxy-5-[(E)-(4-phenyl) diazenyl] benzaldehyde oxime and 2-hydroxy-5-[(E)-(4-nitrophenyl) diazenyl] benzaldehyde oxime ligands were synthesized ... -
Ternary transition metal complexes with an azo-imine Lligand and 2,2'-bipyridine: Characterization, computational calculations, and acetylcholinesterase inhibition activities
Serbest, Kerim; Dural, Turan; Kızıl, Demet; Emirik, Mustafa; Zengin, Ali; Dinçer, Barbaros (Slovensko Kemijsko Drustvo, 2022)New mononuclear ternary transition metal complexes: [M(HL)(bipy)2]ClO4, (M: Mn(II) for 1, Ni(II) for 2), [M(HL) (bipy) (ClO4)], (M: Ni(II) for 3, Cu(II) for 4, Zn(II) for 5) with M(II), 2-[(hydroxyimino)methyl]-4-[-phenyldiazenyl] ... -
An unsymmetrical ferrocene based azine and its Cu(II) complex: Spectroscopy, crystal structure, electrochemistry and DFT calculations
Karaoğlu, Kaan; Serbest, Kerim; Emirik, Mustafa; Şahin, Ertan (Elsevier Science Sa, 2015)An unsymmetrical ferrocenyl-substituted azine ligand and its Cu(II) complex have been prepared in this study. the redox active ferrocene-based azine ligand was obtained by condensation of 2-methanehydrazonoylphenol and ...