Yazar "Kaya, Elif Celenk" için listeleme
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17,18-Dibromo-8-methyl-4,12-ditosyl-3,4,5,6,7,8,9,10,11,12,13,14-dodecahydro-2H-benzo[b][1,4,7,11,15]dioxatriazacycloheptadecine
Kelesoglu, Zeynep; Kaya, Elif Celenk; Kantekin, Halit; Bueyuekguengoer, Orhan (Wiley-Blackwell, 2010)In the title compound, C(31)H(39)Br(2)N(3)O(6)S(2), a 17-membered aza-macrocyclic ligand containing two ether O and three aza N atoms, the three pendant aromatic rings form an 'E' shape. The dihedral angles between the ... -
4-[2-(Cyclohexa-1,4-dien-1-yl)ethoxy]benzene-1,2-dicarbonitrile
Kelesoglu, Zeynep; Kaya, Elif Celenk; Kaya, Afsin Ahmet; Kantekin, Halit; Buyukgungor, Orhan (Wiley-Blackwell, 2011)In the title compound, C16H14N2O, the dihedral angle between the aromatic rings is 70.23 (6)degrees. The linking chain has a zigzag conformation. In the crystal, molecules are linked by weak intermolecular C-H center dot ... -
Enhancing of the nonlinear absorption and optical limiting performances of the phthalocyanine thin films by adding of the single walled carbon nanotubes in poly(methyl methacrylate) host
Yuksek, Mustafa; Kaya, Elif Celenk; Karabulutlu, Nur; Kaya, Ahmet Afsin; Karabulut, Mevlut; Elmali, Ayhan (Elsevier, 2019)Unlike the earlier nonlinear optical studies of single walled carbon nanotubes (SWCNTs) which were generally carried out as solvent, in this study, we established to deposit the unsoluble SWCNTs as homogeneous thin films ... -
Kinetic and in silico studies of hydroxy-based inhibitors of carbonic anhydrase isoforms I and II
Salmas, Ramin Ekhteiari; Mestanoglu, Mert; Durdagi, Serdar; Senturk, Murat; Kaya, A. Afsin; Kaya, Elif Celenk (Taylor & Francis Ltd, 2016)A series of hydroxy and phenolic compounds have been assayed for the inhibition of two physiologically relevant carbonic anhydrase (CA, EC 4.2.1.1) isozymes, the cytosolic human isozymes I and II. The investigated molecules ... -
Microwave-assisted synthesis and characterization of novel symmetrical substituted 19-membered tetrathiadiaza metal-free and metallophthalocyanines and investigation of their biological activities
Nas, Asiye; Kaya, Elif Celenk; Kantekin, Halit; Sokmen, Atalay; Cakir, Volkan (Elsevier Science Sa, 2011)This work reports on a new symmetrically substituted metal-free phthalocyanine and its transition metal complexes which were prepared by a condensation of N,N'-[propan-1,3-diilbis(tiyoetan-2,1-diil)]bis(4-methylbenzenesulfonamid) ... -
Synthesis and antimicrobial activity of new phthalocyanine complexes and electrochemical and spectroelectrochemical behaviour of cobaltphthalocyanine
Kaya, Elif Celenk; Karadeniz, Hulya; Koca, Atif; Kahriman, Nuran; Sokmen, Atalay (Science Reviews 2000 Ltd, 2012)A novel phthalocyanine bearing oxygen donor atoms on the peripheral positions has been synthesised by cyclotetramerisation of (E)-4-(4-cinnamoylphenoxy)phthalonitrile and its nickel, zinc, cobalt, copper and lead derivatives ... -
Synthesis and characterisation of new metallophthalocyanines containing four 12-membered diazadithia-macrocyclic moieties
Kaya, Elif Celenk; Kantekin, Halit; Kaya, Afsin Ahmet; Dakoglu, Asuman; Oksuz, Sumeyra; Sisik, Hanife (Science Reviews 2000 Ltd, 2012)Tetrasubstituted zinc, cobalt, nickel, copper and lead phthalocyanines bearing four 12-membered diazadithia macrocyclic moieties on peripheral positions have been synthesised by cyclotetramerisation reaction of ... -
The synthesis and characterization of metal-free and metallophthalocyanine polymers by microwave irradiation containing diazadithia macrocyclic moieties
Kaya, Elif Celenk; Karadeniz, Huelya; Kantekin, Halit (Elsevier Sci Ltd, 2010)A tetranitrile monomer was synthesized by nucleophilic aromatic substitution of N,N'-(2,2'-(propane-1,3-diylbis(sulfanediyl))bis(ethane-2,1-diyl))bis(4-methylbenzenesulfonamide) onto 4-nitrophthalonitrile. A metal-free ... -
Synthesis and characterization of new metallophthalocyanines bearing macrocyclic N3O2 groups on peripheral positions
Kaya, Elif Celenk (Walter De Gruyter & Co, 2012)The synthesis and characterization of new zinc(II) 3, nickel(II) 4 and cobalt(II) 5 phthalocyanines complexes carrying macrocyclic N3O2 groups on peripheral positions are described. The compounds were characterized by ... -
Synthesis and Determination of Some Biological Activities of Novel 2,4-Dinitrophenyl Derivatives
Sarikaya, Sevim B. Oezturk; Kaya, Afsin A.; Kaya, Elif Celenk; Sentuerk, Murat (Wiley-V C H Verlag Gmbh, 2015)The antioxidant and radical scavenging activities of the synthesized compounds 3, 5, and 6 were determined by various in vitro assays such as 2,2-azino-bis(3-ethylbenzthiazoline-6-sulfonic acid radical (ABTS(+)) scavenging, ... -
Synthesis of fluorine-containing phthalocyanines and investigation of the photophysical and photochemical properties of the metal-free and zinc phthalocyanines
Kaya, Elif Celenk; Ersoy, Sibel; Durmus, Mahmut; Kantekin, Halit (Walter De Gruyter Gmbh, 2018)4-(3-(Trifluoromethyl) benzylthio)phthalonitrile (1) was synthesized. Metal-free phthalocyanine 2, zinc(II) phthalocyanine 3 and cobalt(II) phthalocyanine 4 were synthesized starting with dinitrile compound 1. Photodynamic ... -
Synthesis, spectroscopic characterization, X-ray structure and DFT calculations of Ni(II) bis(3,4 dimethoxybenzoate) bis(nicotinamide) dihydrate
Kaya, Elif Celenk; Kaya, Afsin Ahmet; Demircioglu, Zeynep; Buyukgungor, Orhan (Walter De Gruyter Gmbh, 2017)A single crystal of Ni(II) bis(3,4 dimethoxybenzoate) bis(nicotinamide) dihydrate, formulated as C-30 H-34 N-4NiO12 (I), was characterized in the solid state by infra-red (IR), ultra-violet (UV) and single crystal X-ray ... -
Synthesis, X-ray structural characterization, NLO, MEP, NBO and HOMO-LUMO analysis using DFT study of Zn(II)bis(3,4 dimethoxybenzoate) bis(nicotinamide) dihydrate
Kaya, Afsin Ahmet; Demircioglu, Zeynep; Kaya, Elif Celenk; Buyukgungor, Orhan (Walter De Gruyter Gmbh, 2014)A single crystal of Zn(II) bis(3,4 dimethoxybenzoate) bis(nicotinamide) dihydrate, formulated as C30H38N4O14 Zn, (I) has been obtained. According to experimental data, the complex can be characterized in the solid state ... -
Synthesis, X-Ray Structural, Characterization, NLO, MEP, NBO, and HOMO-LUMO Analysis Using DFT Study of Co(II)bis(3,4 dimethoxybenzoate)bis(nicotinamide) Dihydrate
Kaya, Elif Celenk; Demircioglu, Zeynep; Kaya, Afsin Ahmet; Buyukgungor, Orhan (Taylor & Francis Ltd, 2015)A suitable single crystal of Co(II)bis(3,4 dimethoxybenzoate)bis(nicotinamide) dihydrate, formulated as C30H38N4O14Co,(I). According to experimental data, the complex can be characterized in the solid state as mononuclear, ...
