Kurum Yazarı "Dal, Hakan" Fizik Bölümü İçin Listeleme
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Synthesis and spectroscopic characterization of new Schiff bases containing the benzo-15-crown-5 moiety
Hayvalı, Zeliha; Hayvalı, M; Dal, Hakan (Molecular Diversity Preservation International, 2004)New crown ether Schiff base derivatives were prepared by the condensation of 4'-formylbenzo-15-crown- 5 or 4'-formyl-5'-hydroxybenzo-15-crown-5 with 1,2-bis(2aminophenoxy)ethane. The structures of these new compounds were ... -
Synthesis and Spectroscopic Characterizations of Novel Ni(Ii) and Co(Ii) Dithiophosphinate Complexes, and X-Ray Studies on the Ni(Ii) Complex
Sağlam, Ertuğrul Gazi; Yılmaz, Hamza; Dal, Hakan; Hökelek, Tuncer (Taylor & Francis LTD, 2012)The reaction of 2,4-bis(4-methoxyphenyl)-1,3,2,4-dithiadiphosphetane-2,4-disulfide (Lawesson's Reagent) with two different Grignard reagents gave the corresponding dithiophosphinic acids (DTPA), CH3OC6H4-(R)P(S)SH; [R = ... -
Synthesis of ferrocene substituted dihydrofuran derivatives via manganese(III) acetate mediated radical addition-cyclization reactions
Aslan, Hakan; Öktemer, Atilla; Dal, Hakan; Hökelek, Tuncer (Pergamon-Elsevier Science LTD, 2017)In this study, the manganese(III) acetate mediated radical addition-cyclization reactions of ferrocene substituted alkenes and active methylene compounds were carried out. The regio- and stereoselective radical cyclization ... -
Synthesis of New Phosphorus Ylides: Spectroscopic and X-ray Structural Studies
Sabounchei, Seyyed Javad; Shahriary, Parisa; Nojini, Zabiholla Bolboli; Khavasi, Hamid Reza; Arici, Cengiz; Dal, Hakan (John Wiley & Sons Inc, 2010)Stable phosphoranes, Ar(3)P = CHCOR (R = C(6)H(5), C(6)H(4)NO(2), C(6)H(4)OCH(3), CH 3, OCH(2)C(6)H(5); Ar = p-tolyl or phenyl), have been C-acylated by acetic anhydride to obtain new types of phosphorus ylides. Synthesis ... -
Synthesis, biological activity, DNA binding and anion sensors, molecular structure and quantum chemical studies of a novel bidentate Schiff base derived from 3,5-bis(triflouromethyl)aniline and salicylaldehyde
Yıldız, Mustafa; Karpuz, Özge; Zeyrek, Celal Tuğrul; Boyacıoğlu, Bahadır; Dal, Hakan; Demir, Neslihan; Ünver, Hüseyin (Elsevier Science BV, 2015)Synthesis, biological activity, spectroscopic and crystallographic characterization and density functional theory (DFT) studies of the Schiff base 3,5-bis(triflouromethyl)aniline and salicylaldehyde are reported. It ... -
Synthesis, characterization and computational investigation of novel metalloporphyrazines containing 15-membered O2S2-donor macrocyclic moieties
Baygu, Yasemin; Yıldız, Burak; Karac, Izzet; Dal, Hakan; Gök, Yaşar (World Sci Publ Co Inc, 2018)New metalloporphyrazines (MgPz, ZnPz) containing peripheral tetrasubstitutions derived from 7,8-dihydro-6H, 14H, 19H-dibenzo[bj][1,12,5,8]-dioxadithiacyclopentadecine-16,17-dicarbonitrile (6) have been synthesized by a ... -
The synthesis, characterization and computional investigation of new metalloporphyrazine containing 15-membered S-4 donor macrocyclic moieties
Yıldız, Burak; Baygu, Yasemin; Kara, Izzet; Dal, Hakan; Gök, Yaşar (Pergamon-Elsevier Science LTD, 2016)In this study, an improved synthesis of 1,5-bis(2-formylphenyl)-1,5-dithiapentane(3) has been performed according to the literature in a high yield. 1,5-Bis (2-benzyl alcohol)-1,5-dithia pentane (4) was prepared by the ... -
Synthesis, characterization, and investigations of antimicrobial activity of benzopyrans, benzofurans and spiro[4.5]decanes
Akpınar, Deniz E.; Özgür, Mehtap; Aslan, Hakan; Alagöz, Oğuzhan; Öktemer, Atilla; Dal, Hakan; Logoğlu, Elif (Taylor & Francis Inc, 2018)In this study, the radical cyclization reactions of cyclic 1,3-dicarbonyl compounds (1a-c) and a, b-unsaturated alcohols (2a-d) through Mn(OAc) 3 were performed. A series of biologically interesting dihydropyrans (3-5) and ... -
Synthesis, characterization, tautomerism and theoretical study of some new Schiff base derivatives
Türkoğlu, Gülsen; Berber, Halil; Dal, Hakan; Öğretir, Cemil (Pergamon-Elsevier Science LTD, 2011)New Schiff base derivatives were prepared by the condensation of 5-chloro and 5-bromo salicylaldehyde with bis(o-aminophenol)ethers. Five bis(o-nitrophenol)ether compounds were synthesized using some ditosylate, ... -
Synthesis, crystal structure and ab initio/DFT calculations of a derivative of dithiophosphonates
Karakus, M.; Solak, S.; Hökelek, Tuncer; Dal, Hakan; Bayrakdar, A.; Kart, S. Özdemir; Kart, H. H. (Pergamon-Elsevier Science LTD, 2014)The compound 2 has been synthesized from the reaction of 2,4-Bis(4-methoxyphenyl)-1,3,2,4-dithiadiphosphetane-2,4-disulfide and (R)-1-[3,5-Bis(trifloromethyl)phenyl]ethanol in toluene. The obtained crude dithiophosphonic ... -
The synthesis, molecular structure, FT-IR and XRD spectroscopic investigation of 4-[(2-{[(2-furylmethyl)imino]methyl}-4-methoxyphenoxy)methyl]benzonitrile: A comparative DFT study
Alver, Özgür; Hayvalı, Zeliha; Güler, Hüseyin; Dal, Hakan; Şenyel, Mustafa (Elsevier Science BV, 2011)4-[(2-{[(2-Furylmethyl)imino]methyl}-4-methoxyphenoxy)methyl]benzonitrile, a novel Schiff base compound, was prepared for the first time and its structural and vibrational properties were studied both experimentally and ... -
Synthesis, Quantum Chemical Calculations and Molecular Docking Studies, Biological and Anion Sensor Properties of (E)-4-[(4-ethoxy-phenylimino)methyl]-2-methoxyphenol
Zeyrek, Celal Tuğrul; Ünver, Hüseyin; Boyacıoğlu, Bahadır; Demir, Neslihan; Yapar, Gönül; Dal, Hakan; Yıldız, Mustafa (Croatian Chemical Soc, 2018)We report the synthesis and characterization, biological activity, DNA binding, colorimetric anion sensor properties, computational (HF) and molecular docking studies of a novel Schiff base (E)-4-[(4-ethoxyphenylimino)me ... -
Synthesis, spectral studies of salicylidine-pyridines: Crystal and molecular structure of 2-[(1E)-2-aza-2-(5-methyl (2-pyridyl)ethenyl)]-4-bromobenzen-1-ol
Dal, Hakan; Süzen, Yasemin; Şahin, Ertan (Pergamon-Elsevier Science LTD, 2007)Schiff bases derived from different meta-substituted salicylaldehyde and 5-methylaminopyridine have been synthesized and characterized by elemental analysis, FT-IR, NMR and UV-vis techniques. NMR assignments were made using ... -
The Tetra[N-phenylanthranilato](O,O')bis[(2-amino-4-methyl)pyridine Copper(II)] Complex Crystal
Taş, Murat; Titiz, Abdullah; Karabag, Elif; Kaya, Mukadder; Ataseven, Mehmet; Dal, Hakan (Taylor & Francis Inc, 2013)Tetra[N-phenylanthranilato](O,O)bis[2-amino-4-methyl) pyridine copper(II)] (bisdichloromethane solvate and unsolvate) in one crystalline contains two independent binuclears, one of which is unsolvate and the other one is ... -
Tetraaquabis(nicotinamide-kappa N-1)nickel(II) bis(2-fluorobenzoate)
Hökelek, Tuncer; Dal, Hakan; Tercan, Barış; Özbek, F. Elif; Necefoğlu, Hacali (Int Union Crystallography, 2009)The asymmetric unit of the title complex, [Ni(C6H6N2O)(2)(H2O)(4)](C7H4FO2)(2), contains one-half of the complex cation with the Ni-II atom located on an inversion center, and a 2-fluorobenzoate (FB) counter-anion. The ... -
Tetrakis(mu-4-methylbenzoato-kappa O-2:O ')bis[(isonicotinamide-kappa N)copper(II)]
Necefoğlu, Hacali; Çimen, Efdal; Tercan, Barış; Dal, Hakan; Hökelek, Tuncer (Int Union Crystallography, 2010)In the title centrosymmetric binuclear complex, [Cu-2(C8H7O2)(4)(C6H6N2O)(2)], the Cu atoms [Cu center dot center dot center dot Cu = 2.6375 (6) angstrom] are bridged by four 4-methylbenzoate (PMB) ligands. The four nearest ... -
Tetrakis(mu-4-methylbenzoato-kappa O-2:O ')bis[(N,N-diethylnicotinamide-kappa N-1)zinc(II)\]
Necefoğlu, Hacali; Çimen, Efdal; Tercan, Barış; Dal, Hakan; Hökelek, Tuncer (Wiley-Blackwell, 2010)In the centrosymmetric binuclear title complex, [Zn-2(C8H7O2)(4)(C10H14N2O)(2)], the Zn atoms [Zn center dot center dot center dot Zn' = 2.9494 (3) angstrom] are bridged by four 4-methylbenzoate (PMB) anions. The four ... -
Tetrakis[mu-4-(dimethylamino)benzoato-kappa O-2:O ']bis[(N,N-diethylnicotinamide-kappa N-1)zinc(II)]
Hökelek, Tuncer; Dal, Hakan; Tercan, Barış; Aybirdi, Özgür; Necefoğlu, Hacali (Int Union Crystallography, 2009)The title molecule, [Zn-2(C9H10NO2)(4)(C10H14N2O)(2)], is a centrosymmetric binuclear complex, with Zn atoms [Zn center dot center dot center dot Zn ' = 2.8927 (4) angstrom] bridged by four carboxylate groups from the ... -
A Tridentate In Situ Generated Ligand Leading the Self-Assembly of a Transition Metal Coordination Polymer: Solvothermal Synthesis and Structural Characterization of 1D Cadmium Pyridine-2-Carboxylate
Çevik, Sabri; Telli, Barış; Dal, Hakan; Sarı, Musa (Taylor & Francis Inc, 2015)This work involves the synthesis and characterization of a transition metal based one-dimensional coordination polymer, [Cd-2(2-pc)(4)](n), (2-pc D pyridine-2-carboxylate), which is the first example of a Cd-pyridin-2-carboxylate ... -
The two Bis(4-aminosalicylato-O) bis(N,N-dimethylethylenediamine)Ni(II) complexes
Taş, Murat; Camur, Seval; Kılıç, Yalçın; Dal, Hakan (Walter De Gruyter GMBH, 2012)The two complexes of Bis(4-aminosalicylato-O) bis(N,N-dimethylethylenediamine)Ni(II) with different colors, were synthesized by the reaction between sodium salt of 4-aminosalicylic acid (PAS-Na), Ni(NO3)(2) center dot ...