Browsing by Author "Celik, Omer"
Now showing items 1-20 of 38
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1-(2,3,4,5,6-Pentamethylbenzyl)-2-(pyridin-2-yl)-1H-benzimidazole
Angay, Firat; Celik, Omer; Barlik, Orhan; Ulusoy, Mahmut (Int Union Crystallography, 2014)In the title compound, C24H25N3, the benzimidazole ring system is essentially planar, with an r.m.s. deviation of 0.017 angstrom, and forms dihedral angles of 7.81 (5) and 87.61 (4)degrees with the pyridine and benzene ... -
9H-Carbazole-9-carbothioic dithioperoxyanhydride
Uludag, Nesimi; Ates, Murat; Delibas, Nagihan Caylak; Celik, Omer; Hokelek, Tuncer (Int Union Crystallography, 2013)The whole molecule of the title compound, C26H16N2S4, is generated by twofold rotational symmetry. The carbazole skeleton is nearly planar [maximum deviation = 0.054 (5)angstrom]. In the crystal, aromatic pi-pi stacking ... -
Asymmetric transfer hydrogenation of ketones by N,N-containing quinazoline-based ruthenium(II) complexes
Kucukturkmen, Cigdem; Agac, Ahmet; Eren, Aysel; Karakaya, Idris; Aslantas, Mehmet; Celik, Omer; Ulukanli, Sabri (Elsevier, 2016)The novel set of quinazoline-based chiral ligands was synthesized starting from optically pure amino acids. Coordination with RuCl2(PPh3)dppb gave ruthenium(II) N-heterocyclic complexes 4b-d. The structure of complex 4b ... -
A chalcone showing positional disorder, two related diarylcyclohexenones showing enantiomeric disorder and a related hydroxyterphenyl, all derived from simple carbonyl precursors
Salian, Vinutha V.; Narayana, Badiadka; Yathirajan, Hemmige S.; Akkurt, Mehmet; Celik, Omer; Ersanli, Cem Cuneyt; Glidewell, Christopher (Int Union Crystallography, 2015)Four compounds are reported, all of which lie along a versatile reaction pathway which leads from simple carbonyl compounds to terphenyls. (2E)-1-(2,4- Dichlorophenyl)-3-[4-(prop-1-en-2-yl)phenyl]prop-2-en-1-one, C18H14Cl2O, ... -
Characterization of some di-block copolymers and investigation of their temperature-dependent structural behaviors
Orujalipoor, Ilghar; Tukel, Caner; Celik, Omer; Ide, Semra; Genli, Nasrettin; Degirmenci, Mustafa (Int Union Crystallography, 2011)[Abstract Not Available] -
Characterization, antibacterial, anticarbonic anhydrase II isoenzyme, anticancer, electrochemical and computational studies of sulfonic acid hydrazide derivative and its Cu(II) complex
Ozdemir, Ummuhan O.; Aktan, Ebru; Ilbiz, Firdevs; Gunduzalp, Ayla B.; Ozbek, Neslihan; Sari, Musa; Celik, Omer (Elsevier Science Sa, 2014)A new N'-acetyl butane sulfonic acid hydrazide, C4H9-SO2-NH-NH-COCH3 (Absh, an sulfonamide compound), and its Cu(II) complex [Cu(Absh)(2)(CH3COO)(2)], have been synthesized and characterized by elemental analysis, spectrometric ... -
Chemical fixation of CO2 into cyclic carbonates by azo-containing Schiff base metal complexes (vol 39, pg 7786, 2015)
Ikiz, Mesut; Ispir, Esin; Aytar, Emine; Ulusoy, Mahmut; Karabuga, Semistan; Aslantas, Mehmet; Celik, Omer (Royal Soc Chemistry, 2015)[Abstract Not Available] -
Crystal structure and synthesis of 2,2-dimethyl-5-(prop-2-yn-1-yloxy)-4H-benzo[d][1,3]dioxin-4-one
Akmansoy, Cigdem; Akmansoy, Cigdem; Celik, Omer; Celik, Cumali; Simsir, Tuba; Aslantas, Mehmet (Int Union Crystallography, 2015)[Abstract Not Available] -
Crystal structure and synthesis of two complexes: bis[(2-aminobenzamide)(benzoate)]copper(II) and bis[(2-aminobenzamide)(benzoate)]cobalt(II)
Ava, Canan Aytug; Celik, Omer; Kiyak, Tuba; Arslan, Akif; Aslantas, Mehmet (Int Union Crystallography, 2015)[Abstract Not Available] -
Crystal structure of 1,3-bis(4-methylbenzyl)-1H-1,3-benzimidazol-3-ium bromide monohydrate
Celikesir, Sevim Turktekin; Celik, Omer; Akkoc, Senem; Ilhan, Ilhanb Ozer; Gok, Yetkin; Akkurt, Mehmet (Int Union Crystallography, 2015)In the title hydrated symetrically substituted 1,3-bis(4-methyl-benzyl) benzimidazolium salt, C23H23N2+center dot Br-center dot H2O, the dihedral angles between the benzimidazole ring system (r.m.s. deviation = 0.003 ... -
Crystal structure of 1-(4-methoxyphenyl)-4-(4-nitrophenyl)-3-phenoxyazetidin-2-one
Celikesir, Sevim Turktekin; Akkurt, Mehmet; Jarrahpour, Aliasghar; Shafie, Habib Allah; Celik, Omer (Int Union Crystallography, 2015)In the title compound, C22H18N2O5, the central beta-lactam ring (r.m.s. deviation = 0.002 angstrom) makes dihedral angles of 64.21 (14), 82.35 (12) and 20.66 (13)degrees with the phenyl ring and the nitro-and methoxybenzene ... -
Crystal structure of 2-[(3S, 4S)-4-(anthracen-9-yl)-1-(4-methoxyphenyl)-2-oxoazetidin-3-yl]-2-aza-2H-phenalene-1,3-dione unknown solvate
Celik, Ismail; Akkurt, Mehmet; Jarrahpour, Aliasghar; Rad, Javad Ameri; Celik, Omer (Int Union Crystallography, 2015)The central beta-lactam ring of the title compound, C36H24N2O4, is almost planar (r.m.s. deviation = 0.003 angstrom) and makes dihedral angles of 17.17 (19), 89.76 (17) and 78.44 (17)degrees with the benzene ring, the ... -
Crystal structure of 2-[4-(4-chlorophenyl)-1-(4-methoxyphenyl)-2-oxoazetidin-3-yl]benzo[de]isoquinoline-1,3-dione dimethyl sulfoxide monosolvate
Celik, Ismail; Akkurt, Mehmet; Jarrahpour, Aliasghar; Rad, Javad Ameri; Celik, Omer (Int Union Crystallography, 2015)In the title solvated compound, C28H19N2O4 center dot C2H6OS, the central beta-lactam ring is almost planar (r.m.s. deviation = 0.002 angstrom). It makes dihedral angles of 1.92 (11), 83.23 (12) and 74.90 (10)degrees with ... -
Crystal structure of 3-(4-chlorophenoxy)4-(2-nitrophenyl)azetidin-2-one with an unknown solvate
Celikesir, Sevim Turktekin; Akkurt, Mehmet; Jarrahpour, Aliasghar; Shafie, Habib Allah; Celik, Omer (Int Union Crystallography, 2015)In the title compound, C15H11ClN2O4, the central beta-lactam ring is approximately planar [maximum deviation = 0.044 (2) angstrom for the N atom from the mean plane] and subtends dihedral angles of 61.17 (11) and 40.21 ... -
Crystal structure of rac-3-hydroxy-2-(p-tolyl)-2,3,3a, 4,7,7a-hexahydro-1H-4,7-methanoisoindol-1-one
Aslantas, Mehmet; Celik, Cumali; Celik, Omer; Karayel, Arzu (Int Union Crystallography, 2015)In the title compound, C16H17NO2, the cyclohexene ring adopts a boat conformation, and the five-membered rings have envelope conformations with the bridging atom as the flap. Their mean planes are oriented at a dihedral ... -
Deposition and Characterization of Si Substituted Cu2ZnSnS4 Thin Films
Ava, Canan Aytug; Ocak, Yusuf Selim; Celik, Omer; Asubay, Sezai (Springer, 2023)The influence of the Si substitution ratio on the structural, morphological, and optical properties of Cu2ZnSnS4 (CZTS) thin films was examined. The Cu2Zn(SixSn1-x)S-4 thin films (x = 0, 0.25, 0.50, 0.75, and 1) were ... -
Dihydrooxazolones and dihydroimidazolones derived from acylglycines: syntheses, molecular structures and supramolecular assembly
Subbulakshmi, Karanth N.; Narayana, Badiadka; Yathirajan, Hemmige S.; Akkurt, Mehmet; Celik, Omer; Ersanli, Cem Cuneyt; Glidewell, Christopher (Int Union Crystallography, 2015)Syntheses and structures are described for some alkylidene-substituted dihydrooxazolones and dihydroimidazoles derived from simple acylglycines. A second, triclinic, polymorph of 4-benzylidene-2-(4-methylphenyl)-1,3-oxaz ... -
Ethyl 2-[(2-hydroxybenzylidene)amino]-6-methyl-4,5,6,7-tetrahydrothieno[2,3-c]pyridine-3-carboxylate
Colak, Naki; Kose, Dursun Ali; Marim, Nazmiye; Celik, Omer; Hokelek, Tuncer (Int Union Crystallography, 2013)The title compound, C18H20N2O3S, exists as the phenol-imine form in the crystal and there are bifurcated intramolecular O-H center dot center dot center dot(N/O) hydrogen bonds present. The conformation about the C=N bond ... -
Evaluation of synthesized new chitin derivatives in Schottky diode constructions
Uzun, Ilhan; Aksoy, Onder; Topal, Giray; Celik, Omer; Ocak, Yusuf Selim (Taylor & Francis Inc, 2020)Chitin was reacted with coumarin-3-carboxylic acid (C3CA) and benzophenone-3,3MODIFIER LETTER PRIME,4,4MODIFIER LETTER PRIME-tetracarboxylic dianhydride (B33MODIFIER LETTER PRIME44MODIFIER LETTER PRIMETD), and the synthesized ... -
Hydrothermal synthesis and characterization of Zn(II), Cd(II) and Ag(I)-saccharinate complexes containing bis(imidazol) derivatives
Erer, Hakan; Karacam, Samet; Arici, Mursel; Yesilel, Okan Zafer; Celik, Omer (Pergamon-Elsevier Science Ltd, 2015)Five mixed-ligand complexes, namely [Zn(sac)(2)(mu-obix)](n) (1), {[Cd(sac)(2)(mu-obix)(2)]center dot 2H(2)O}(n) (2), [Cd(sac)(2)(mu-Pbix)(H2O)(2)](n) (3), [Ag(2)sac)(2)(mu-pbix)(2)] (4) and [Ag-2(sac)(2)(mu-mbix)] (5) ...
