Yazar "Aygun, Muhittin" için listeleme
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1-((E)-{(1R,2R)-2-[(E)-(2-hydroxy-1-naphthyl)methyleneamino]cyclohexyl}iminiomethyl)naphthalen-2-o late : a Schiff base compound having both OH and NH character
Karabiyik, Hasan; Guzel, Bilgehan; Aygun, Muhittin; Boga, Gulnaz; Büyükgüngör, Orhan (Blackwell Publishing, 2007)The title Schiff base compound, C28H26N2O2, possesses both OH and NH tautomeric character in its molecular structure. While the OH side of the compound is described as an intermediate state, its NH side adopts a predominantly ... -
2,5-Dihexyl-3,6-diphenylpyrrolo[3,4-c]pyrrole-1,4(2H,5H)-dione
Sevincek, Resul; Celik, Secil; Aygun, Muhittin; Alp, Serap; Isik, Samil (Wiley-Blackwell, 2010)The asymmetric unit of the title compound, C(30)H(36)N(2)O(2), contains one half-molecule, the other half being generated by a crystallographic inversion centre. The crystal structure is devoid of any classical hydrogen ... -
2-Methoxy-4-[(5-oxo-2-phenyl-4,5-dihydro-1,3-oxazol-4-ylidene)methyl]-phenyl 4-methylbenzenesulfonate
Sen, Betul; Ozturk, Gulsiye; Alp, Serap; Aygun, Muhittin; Büyükgüngör, Orhan (Blackwell Publishing, 2007)Molecules of the title compound, C24H19NO6S, adopt the Z configuration and have a distorted tetrahedral geometry around the S atom. The oxazolone, 2-phenyl and methoxyphenyl rings are approximately coplanar. The C atom ... -
Aromaticity balance, pi-electron cooperativity and H-bonding properties in tautomerism of salicylideneaniline: the quantum theory of atoms in molecules (QTAIM) approach
Karabiyik, Hasan; Sevincek, Resul; Petek, Hande; Aygun, Muhittin (Springer, 2011)Topological analysis based on DFT calculations regarding proton transfer reaction in salicylideneaniline (SA) was performed to scrutinize possible changes in the intramolecular H-bond, pi-electron delocalization and ... -
Cd(II) and Cu(II) coordination polymers constructed from the expanded 1,4-bis(4-pyridyl)-2,3-diaza-1,3-butadiene ligand: conventional and ultrasound-assisted synthesis, crystal structure, luminescence and magnetic properties
Rad-Yousefnia, Negar; Shaabani, Behrouz; Zahedi, Mansoureh; Kubicki, Maciej; Aygun, Muhittin; Lloret, Francesc; Kazak, Canan (Royal Soc Chemistry, 2018)A 3D open inorganic/organic framework, {[Cd(mu-L)(mu(3)-SO4)(H2O)]center dot H2O}(n) (1) [L = 1,4-bis(4-pyridyl)-2,3-diaza-1,3-butadiene] was synthesized by the reaction of CdSO4 center dot 8H(2)O with L. The treatment of ... -
Construction of one dimensional Co(II) and Zn( II) coordination polymers based on expanded N, N '-donor ligands
Zahedi, Mansoureh; Shaabani, Behrouz; Aygun, Muhittin; Kazak, Canan (Elsevier Science Sa, 2018)Four new 1-D coordination polymers [Zn(acac) 2(L1)] (n) (1), [Co(acac)(2)(L1)](n) (2), [Co(acac)(2)(L2)](n) (3) and [Co(acac)(2)(L3)] (n) (4) were afforded by the complexation reaction of appropriate zinc and cobalt metal ... -
Crystal Structure and Conformational Analysis of 4-[(p-N,N-Dimethylamino) benzylidene]-2-(3,5-dinitrophenyl)oxazole-5-one
Sevincek, Resul; Ozturk, Gulsiye; Aygun, Muhittin; Yavuz Ergun, Mustafa; Alp, Serap; Büyükgüngör, Orhan (Taylor & Francis Inc, 2009)An azlactone derivative, 4-[(p-N,N-dimethylamino)benzylidene]-2-(3,5-dinitrophenyl)oxazol-5-one (DNPO), C18H14N4O6, has been synthesized, and its crystal structure has been investigated by single crystal X-ray analysis and ... -
Crystallographic and conformational analysis of 1,3-bis(2,4-dimethoxyphenyl)imidazolidine-2-thione
Karabiyik, Hasan; Gunay, M. Emin; Aygun, Muhittin; Cetinkaya, Bekir; Kazak, Canan (Springer/Plenum Publishers, 2006)The molecular and crystal structures of the title compound, C19H22N2O4S, were determined by single crystal X-ray diffraction technique. The title compound crystallizes in space group F d d 2, with a = 30.785(3) angstrom, ... -
A highly novel dinickel complex: A hydrogen-bonded anti-skew carboxylate bridge and a 2D supramolecular structure
Korkmaz, Neslihan; Gokce, Aytac Gurhan; Astley, Stephen T.; Aygun, Muhittin; Astley, Demet; Büyükgüngör, Orhan (Elsevier Science Bv, 2009)Reaction of the tridentate Schiff base ligands obtained from 2,4-dihydroxybenzaldehyde and either L-iso-leucine or L-tert-leucine with Ni(NO3)(2) in methanol/water solution in the presence of base afforded dinickel complexes. ... -
Preparation and crystal structure of binuclear chloro{6-[[chloro(triphenylphosphine)platinum](mesitylimino)methyl]pyridin-2-yl}bis(triphenylphosphine)platinum(II)
Gunay, M. Emin; Dayan, Osman; Gokce, Aytac Gurhan; Aygun, Muhittin; Cetinkaya, Bekir; Büyükgüngör, Orhan (Pergamon-Elsevier Science Ltd, 2008)Treatment of N,N'-bis(mesityl)pyridine-2,6-carboxyimidoyldichloride, 1, in toluene solution with [Pt(PPh3)(4)] at 100 degrees C afforded a novel platinacyclic compound, 3, in 63% yield, instead of the expected compound 2. ... -
Supramolecular architecture of phenylcarbamoylated acetone oxime 1,1-diisopropyl-3-phenylurea] complex
Coskun, Necdet; Parlar, Aydin; Karabiyik, Hasan; Aygun, Muhittin; Büyükgüngör, Orhan (Springer/Plenum Publishers, 2006)Carbamoylated oximes 1 form 1:1 molecular complexes 4 with N,N-dialkyl-N'-phenylurea when stirred in THF or ether at room temperature for short time in good yields. The molecular complexes 4a-e were isolated and characterized ... -
The synthesis and structural characterization of a N-heterocyclic carbene-substituted palladacycle
Gokce, Aytac Guerhan; Gunay, M. Emin; Aygun, Muhittin; Cetinkaya, Bekir; Büyükgüngör, Orhan (Taylor & Francis Ltd, 2007)Reaction of {[Pd(dmba)(mu-Cl)](2)} (dmba=(CH3)(2)NCH2C6H4) with ail ill situ generated N-heterocyclic carbene (NHC=1,3-dimesitylimidazolidin-2-ylidene) afforded crystals containing [chloro-(1,3-dimesitylimidazolidin-2-yl ... -
Synthesis and structural characterization of Palladium(II) complex bearing N-Heterocyclic Carbene
Gokce, Aytac Gurhan; Turkmen, Hayati; Aygun, Muhittin; Cetinkaya, Bekir; Buyuekgungor, Orhan (Springer/Plenum Publishers, 2008)Trcitts-Bis[1,3-bis(2,4-dimethylphenylimidazolidin-2-ylidene)]dichloropalladium(II), 4, was prepared from 1,3-bis(2,4-dimetilphenyl)imidazoliniumchloride. The crystal and molecular structure of 4 have been determined by ... -
Synthesis and structural characterization of two novel N-heterocyclic carbene complexes of Rh(I)
Karabiyik, Hasan; Kilincarslan, Rafet; Aygun, Muhittin; Cetinkaya, Bekir; Büyükgüngör, Orhan (Taylor & Francis Ltd, 2007)Two new N-heterocyclic carbene (NHC) ligands with p-methylphenyl and p-methoxyphenyl substituents on 4,5-positions and methoxyethyl pendants on N atoms of the imidazole ring were complexed together with cyclooctadiene and ... -
Synthesis, molecular structure and spectroscopic characterization of N-(4-nitrophcnyl)-2, 2-dibcnzoylacctamidc (NPDBA): with experimental (X -Ray, FT-IR, 1H and 13C-NMR and UV-Vis) techniques and theoretical calculations
Yalcin, Serife; Yalcin, Serife P.; Ceylan, Umit; Sarioglu, Ahmet O.; Sonmez, Mehmet; Aygun, Muhittin (Int Union Crystallography, 2015)… -
Synthesis, spectroscopic characterization and DFT calculations of N-Methyl-2-(2 '-hydroxyphenyl)benzimidazole derivatives
Saral, Hasan; Ozdamar, Ozgur; Ucar, Ibrahim; Bekdemir, Yunus; Aygun, Muhittin (Elsevier, 2016)1-Methy1-2-(2'-hydroxyphenyl)benzimidazole (1) and 1-Methy1-2-(2'-hydroxy-4'-methylphenyl)benzimidazole (2) compounds have been synthesized and characterized by XRD, IE-MS, FT-IR, UV Vis and H-1, C-13 NMR techniques. The ... -
X-ray diffraction, spectroscopic and DFT studies on nickel(II)-triphenylphosphine complexes of 2-hydroxyacetophenone thiosemicarbazones
Kilic-Cikla, Isin; Guveli, Sukriye; Bal-Demirci, Tulay; Aygun, Muhittin; Ulkuseven, Bahri; Yavuz, Metin (Pergamon-Elsevier Science Ltd, 2017)This work presents a combined experimental and theoretical study on new synthesized ONN and ONS chelating 2-hydroxyacetophenone thiosemicarbazone ligands and their nickel(II) complexes with triphenylphosphine co-ligand. ...
