Yazar "Güp, Ramazan" için listeleme
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4-Butoxy-N '-[1-(4-methylphenyl)ethyl-idene]benzohydrazide
Dilek, Nefise; Güneş, Bilal; Güp, Ramazan (Int Union Crystallography, 2012)The molecule of the title compound, C20H24N2O2, exists in a trans conformation with respect to the C N bond. The dihedral angle between the benzene rings is 79.0 (1)degrees. In the crystal, N-H center dot center dot center ... -
4-Hydroxy-N'-[(1E)-1-(4-methylphenyl)ethylidene]benzohydrazide: Synthesis, crystal structure, and spectroscopic studies
Dilek, N.; Gunes, B.; Gokce, C.; Güp, Ramazan (Pleiades Publishing Inc, 2013)The titled compound has been synthesized by reaction of 4'-methylacetophenon with 4-hydrox-ybenzohydrazide in presence of catalytic amount of glacial acetic acid. The compound is characterized by elemental analysis, IR, ... -
Adsorption of Cu(II) onto silica gel-immobilized Schiff base derivative
Gübbük, I. Hilal; Güp, Ramazan; Kara, Hüseyin; Ersöz, Mustafa (Elsevier, 2009)4-chloroisonitroacetophenone 4-aminobenzylhydrazone (CAAH) chemically anchored on a silica gel surface, has been used for Cu(II) sorption from aqueous solution. The surface modification processes was performed after ... -
Crystal structure of bis(isothiocyanato)[2,6-diacetylpyridine bis(4-hydroxybenzoylhydrazone)]Fe(III) Chloride bis(dimethylformamide) solvate
Dilek, Nefise; Güneş, Bilal; Buyukgungor, O.; Güp, Ramazan (Pleiades Publishing Inc, 2013)The crystal structure of title compound (Fe[(C25H21N7O4S2)] center dot 4(C3NOH7), where C3NOH7 is dimethylformamide, DMF) was determined by the X-ray diffraction method. This compound crystallizes in the monoclinic C2/c ... -
In vitro DNA interaction, topoisomerase I/II Inhibition and cytotoxic properties of polymeric copper(II) complex bridged with perchlorate ion containing N-4-type schiff base ligand
Topkaya, Cansu Gökçe; Göktürk, Tolga; Hökelek, Tuncer; Sakallı Çetin, Esin; Kıncal, Sultan; Güp, Ramazan (Elsevier, 2022)Cu(II) complex containing p-Cl-isonitrosoacetophenone based on N 4-type Schiff base ligand was synthesized and characterized by elemental analysis, FTIR, H-1 NMR, (13) C NMR and UV-Visible. The crystal structure of the ... -
Metal complexes and solvent extraction properties of isonitrosoacetophenone 2-aminobenzoylhydrazone
Güp, Ramazan; Giziroğlu, Emrah (Pergamon-Elsevier Science Ltd, 2006)Three types of copper complexes as well as an oximate-bridged nickel complex with isonitrosoacetophenone 2-aminobenzoylhydrazone (H2L) have been prepared in ethanolic solution and characterized by elemental analyses, IR, ... -
A new 1,2,4-triazine-n-oxide compound: Synthesis, crystal structure, Hirshfeld surface analysis and supercapacitor applications
Gökçe Topkaya, Cansu; Aslan, Sema; Göktürk, Tolga; Kıncal, Sultan; Hökelek, Tuncer; Güp, Ramazan (Elsevier B.V., 2023)In this paper, we report the one-step, metal catalyst-free synthesis of 6-(4-chlorophenyl)-3,3-dimethyl-4-(N-oxide)-1,2,3,4-tetrahydro-1,2,4-triazine using 2,4-dihydroxyacetophenone and p‑chloro isonitrosophenyl hydrazine ... -
A new hydrazone compound with ester groups: synthesis, spectroscopic studies, crystal structure, and electrochemical supercapacitor applications
Gökçe Topkaya, Cansu; Tekin, Tolga; Aslan, Sema; Özçelik, Nefise; Güp, Ramazan (SPRINGER WIEN, 2022)We work and report the synthesis, spectroscopic results, and crystal structure of the title compound (H2L1), in this manuscript. The crystal structure of the title compound was determined using the X-ray diffraction method. ... -
New trinuclear nickel(II) complexes as potential topoisomerase I/ IIα inhibitors: in vitro DNA binding, cleavage and cytotoxicity against human cancer cell lines
Göktürk, Tolga; Topkaya, Cansu; Sakallı Çetin, Esin; Güp, Ramazan (SPRINGER INTERNATIONAL PUBLISHING AG, 2022)Nickel (II) complexes containing p-substitute (-H, -CI, -CH3, -OCH3) isonitrosoacetophenone-based bis(oxime) ligands were synthesized by metal template method and characterized by elemental analyses, molar conductance, ... -
A new unsymmetrical vic-dioxime bearing salicylaldehyde 4-aminobenzoylhydrazone and its homo- and heterotrinuclear complexes with copper(II) and nickel(II) ions
Güp, Ramazan (Pleiades Publishing Inc, 2006)A new vic-dioxinie, N-{4-[[(2-hydroxyphenyl)methylene]hydrazinecarbonyl]phenyl)aminoglyoxime (HP, was prepared by the reaction of anti-chloroglyoxime with salicylaldehyde 4-aminobenzoylhydrazone. The reaction of H3L with ... -
One-pot synthesis of a new 2-substituted 1,2,3-triazole 1-oxide derivative from dipyridyl ketone and isonitrosoacetophenone hydrazone: Nickel(II) complex, DNA binding and cleavage properties
Güp, Ramazan; Erer, Oktay; Dilek, Nefise (Academic Press Inc Elsevier Science, 2017)An efficient and simple one-pot synthesis of a new 1,2,3-triazole-1-oxide via reaction between isonitrosoacetophenone hydrazone and dipyridyl ketone in the EtOH/AcOH at room temperature has been developed smoothly in high ... -
A rapid synthesis of 2-substituted 1,2,3-triazole-1-oxide derivative starting from 4-(methyl)isonitrosoacetophenone and its Ni(II) complex: Characterization, DNA binding and cleavage properties
Güp, Ramazan; Erer, Oktay; Dilek, Nefise (Elsevier Science Bv, 2017)An efficient route, not including any metal salt as a catalyst, for the synthesis of a new 2-substituted 1,2,3- triazole-1-oxide is reported in this paper. The title compound has been synthesized via reacting 4-(methyl)i ... -
Seven coordinated cobalt(II) complexes with 2,6-diacetylpyridine bis(4-acylhydrazone) ligands: Synthesis, characterization, DNA-binding and nuclease activity
Gökçe, Cansu; Dilek, Nefise; Güp, Ramazan (Elsevier Science Sa, 2015)A new series of pentadentate 2,6-diacetylpyridine bis(4-acylhydrazone)s (H2L1 and H2L2) based seven-coordinated cobalt(II) complexes, [Co(L-n)X-2] (n = 1 and X = DMF for (1); n = 2 and X = H2O for (2)); [Co(H2Ln)Y-2] (n = ... -
Seven-coordinated cobalt(II) complexes with 2,6-diacetylpyridine bis(4-hydroxybenzoylhydrazone): synthesis, characterisation, DNA binding and cleavage properties
Güp, Ramazan; Gökce, Cansu; Dilek, Nefise (Taylor & Francis Ltd, 2015)Synthesis and characterisation of three seven-coordinated cobalt(II) complexes of 2,6-diacetylpyridine bis(4-hydroxybenzoylhydrazone) (H4L) ligand, [Co(H2L)(H2O)(2)] (1), [Co(H4L)(N-3)(2)] (2) and [Co(H4L)(NCS)(2)] (3) are ... -
Silica gel functionalized with 4-phenylacetophynone 4-aminobenzoylhydrazone: Synthesis of a new chelating matrix and its application as metal ion collector
Hatay, I.; Güp, Ramazan; Ersöz, Mustafa (Elsevier Science Bv, 2008)The silica gel surface immobilized with 4-phenylacetophynone 4-aminobenzoylhydrazone (PAAH) after surface modification by 3-chloropropyltrimethoxysilane (CPTS). The modified silica gel was used for sorption of Cu(II), ... -
Syntheses, crystal structures, hirshfeld surface analyses and electrochemical etoposide/camptotechin sensor applications of acetaldehyde oxime derivatives
Topkaya, Cansu; Aslan, Sema; Hökelek, Tuncer; Göktürk, Tolga; Kıncal, Sultan; Güp, Ramazan; Bal Altuntaş, Derya (Elsevier B.V., 2022)(E)-2-(4-Hydroxyphenyl)-2-oxoacetaldehyde oxime monohydrate (I) and (E)-2-(4-Nitrophenyl)-2-oxoacetaldehyde oximes (II) were synthesized from 4′-hydroxyacetophenone and 4′-nitroacetophenone, respectively. Their structures ... -
Synthesis and characterization of complexes of copper(II), nickel(II) and cobalt(II) with vic-dioximes bearing N '-p-aminobenzoyl benzaldehyde hydrazone
Güp, Ramazan; Kırkan, Bülent; Giziroğlu, Emrah (Wiley-V C H Verlag Gmbh, 2006)Six different arylhydrazone derivatives of p-aminobenzoic hydrazide of vic-dioximes were synthesized by reaction of chloroglyoxime and dichloroglyoxime with N'-p-aminobenzoyl benzaldehyde, 4-hydroxybenzaldehyde and ... -
Synthesis and characterization of copper(II) and nickel(II) complexes of isonitrosoacetophenone 4-aminobenzoylhydrazone
Usluer, Özlem; Güp, Ramazan (Polish Chemical Soc, 2007)Two types of copper complexes as well as an oximate bridged nickel complex with a new tridentate ligand containing a monoxime and hydrazone moieties have been prepared and characterized by elemental analyses, IR, H-1 NMR, ... -
Synthesis and Characterization of Copper(II) Complexes with Aroylhydrazone Ligands Containing Quaternary Ammonium Salts: in Vitro DNA Binding and Nuclease Activity
Şengül, Elif Eda; Topkaya, Cansu Gökçe; Göktürk, Tolga; Güp, Ramazan (Chinese Chemical Soc, 2020)Two new N, N, N-trimethylpropane-1-ammonium and N, N,N-trimethylpentane-1-ammonium conjugated acetophenone-(4-hydroxybenzohydrazone) ligands, (E)-3-(4-(1-(2-(4-hydroxybenzoyl)hydrazono)ethyl)phenoxy)-N,N, N-trimethylprop ... -
Synthesis and characterization. of complexes of Ni(II), Co(II), and Cu(II) with four 4-aminobenzoate derivatives of unsymmetrical vic-dioximes
Güp, Ramazan; Bedük, A. Dinçer (Taylor & Francis Inc, 2002)Four different 4-aminobenzoate derivates of vic-dioximes Were synthesized. Their transition metal complexes with Ni(II), Co(II) and Cu(II) were prepared with a metal-ligand ratio of 1:2. The unsymmetrical complexes are in ...
