Güncel Gönderiler: Fen Fakültesi
Toplam kayıt 2379, listelenen: 1841-1860
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Hydrothermal Synthesis and Crystal Structures of Cd(II)-Based 1D Coordination Polymer and Mn(II) Coordination Complex with Mixed N- and O-donor Ligands: [Cd-2(4-4'-bpy)(2)(pa)(4)] (n) center dot 0.25(H2O) and [Mn(4-4'-bpy)(2)(pa)(H2O)(3)]ClO4 center dot 2(H2O)
(Springer, 2010)Two new complexes, [Cd-2(4-4'-bpy)(2)(pa)(4)] (n) center dot 0.25H(2)O (1) (pa = phenylacetate), and [Mn(4-4'-bpy)(2)(pa)(H2O)(3)]ClO4 center dot 2H(2)O, (2), have been obtained from hydrothermal reaction of Cd(NO3)(2)center ... -
Semiconducting lanthanide polymers of pyridine-2,6-dicarboxylate: Hydrothermal synthesis, structural characterization, electrical conductivity and luminescence properties
(Pergamon-Elsevier Science LTD, 2018)This paper describes the hydrothermal synthesis of two novel lanthanide coordination polymers (CPs) (H(2)piP)(n)[Ln(2)(PYdc)(4)(H2O)(2)](n) (Ln = La (1) and Nd (2), H(2)pydc = 2,6-pyridinedicarboxylic acid, H(2)pip = ... -
Crystal structure of an unsymmetrical Schiff base, immobilization of its cobalt and manganese complexes on a silica support, and catalytic studies
(Springer, 2013)An unsymmetrical tetradentate Schiff base (H2L) was synthesized by the reaction of 3-methoxysalicylaldehyde, o-phenylenediamine, and salicylaldehyde in EtOH. H2L was characterized by single-crystallographic X-ray analysis. ... -
A novel three dimensional samarium(III) coordination polymer with an unprecedented coordination mode of the 2,5-pyridinedicarboxylic acid ligand: Hydrothermal synthesis, crystal structure and luminescence property
(Pergamon-Elsevier Science LTD, 2015)A novel three dimensional (3D) coordination polymer [Sm(pic)(2)(pydc)(4)(H2O)](n) (pydc = pyridine-2,5-dicarboxylate, Hpic = picolinic acid) (1) has been synthesized hydrothermally and characterized by elemental analysis, ... -
Synthesis, characterization, and reactivity of palladium(II) complexes containing piperidoimidazolin-2-ylidene
(Wiley-Blackwell, 2013)A series of Pd-N-heterocyclic carbene (Pd-NHC) complexes with pyrazine (1) or pyridine (2) and NHC (3) were synthesized and characterized by elemental analysis and spectroscopic methods. In addition, the molecular structure ... -
Synthesis, crystal structure and catalytic activity for H2O2 disproportionation of the manganese(II) coordination polymer {[Mn(O2C(CF2)(8)CO2)(phen)(2)]H2O}(n) (phen=1,10-phenanthroline)
(Pergamon-Elsevier Science LTD, 2008)The title polymeric complex {[Mn(O2C(CF2)(8)CO2)(phen)(2)]H2O), was synthesized through the reaction of 1,10-phenanthroline, perfluorosebacic acid and MnCO3 center dot H2O. The molecular structure was characterized by X-ray ... -
Synthesis, characterization, and luminescence of zinc(II) and cadmium(II) coordination complexes: [Zn(phen)(2)(CH3COO)](ClO4), [Zn(bpy)(2)(ClO4)](ClO4), and [Cd(phen)(2)(NO3)(2)]
(Scientific Technical Research Council Turkey-Tubitak, 2013)Three metal complexes, [Zn(phen)(2)(CH3COO)](ClO4) (1) [Zn(bpy)(2)(ClO4)](ClO4) (2), and [Cd(phen)(2)(NO3)(2)] (3) (phen = 1,10-phenanthroline, bpy = 2,2{Abedini, 2005 #222} -bipyridine), were synthesized and their structures ... -
Spectroscopic (FT-IR, Laser-Raman and NMR) and conformational analysis on novel pyrazole beta-keto ester compound
(Elsevier Science BV, 2018)Our goal in this study is to submit a comprehensive theoretical study of novel compound. Therefore, we perused and analyzed the experimental (real form) and theoretical (gas form) vibrational frequencies for the most stable ... -
Synthesis, spectroscopic and theoretical studies of ethyl (2E)-3-amino-2-({[(4-benzoyl-1,5-diphenyl-1H-pyrazol-3-yl)carbonyl]amino}carbonothioyl)but-2-enoate butanol solvate
(Pergamon-Elsevier Science LTD, 2014)We have synthesized ethyl (2E)-3-amino-2-({[(4-benzoyl-1,5-diphenyl-1H-pyrazol-3-yl)carbonyl]amino}carbonothioyl)but-2-enoate (2) by the reaction of 4-benzoyl-1,5-diphenyl-1H-pyrazole-3-carbonyl chloride (1), ammonium ... -
Spectroscopic investigation of 2-(4-benzoyl-1,5-diphenyl-1H- pyrazol-3-yl)-4H-naphto[2,3-d][1,3] oxazin-4-one molecule
(World Scientific Publ Co Pte LTD, 2017)In this present study, the experimental and theoretical vibrational frequencies of an important pharmacological molecule 2-(4-benzoyl-1,5-diphenyl-1H-pyrazol-3-yl)-4H-naphto[2,3-d][1,3] oxazin-4-one have been researched. ... -
(NHC)-Pd(II) complexes with hydrophilic Nitrogen ligands; catalytic properties in neat water
(Scientific Technical Research Council Turkey-Tubitak, 2013)The cleavage reactions of the dimers [(NHC)PdX2](2) with hydrophilic N-donors, L, a ff orded the mixedligand complexes of the type trans-[(NHC)LPdX2] (X = Cl or Br; NHC = 1,3-dialkylbenzimidazol-2-ylidene (BIm) or bis(imino) ... -
Synthesis, structural characterization, and benzyl alcohol oxidation activity of mononuclear manganese(II) complex with 2,2 '-bipyridine: [Mn(bipy)(2)(ClO4)(2)]
(Scientific Technical Research Council Turkey-Tubitak, 2012)A manganese(II) complex of 2,2'-bipyridine (bipy) was synthesized and characterized by X-ray diffraction, IR, and UV-vis spectroscopy. The activity of the complex was tested for oxidation of benzyl alcohols using t-BuOOH ... -
N,N,N ',N '-Tetrakis(2-hydroxyethyl)ethylenediamine palladium(II) complex as efficient catalyst for the Suzuki/Miyaura reaction in water
(Pergamon-Elsevier Science LTD, 2010)A new water soluble palladium(II) complex (2) derived from N,N,N',N'-tetrakis(2-hydroxyethyl)ethylenediamine (edteH(4)) (1) was synthesized in high yield and characterized by (1)H, (13)C, HMQC and COSY NMR spectroscopy. ... -
A New Application Area for Ag-NHCs: CO2 Fixation Catalyst
(Wiley-V C H Verlag GMBH, 2012)The first example of the silver-NHC catalyzed cycloaddition of CO2 to terminal epoxides is reported. The choice of NHC substituents, halides and the nature of additives were determined to be important. Ionic [(Cnmim)2Ag]2[Ag2Br4] ... -
Mn(II) complexes with bipyridine, phenanthroline and benzoic acid: Biological and catalase-like activity
(Indian Acad Sciences, 2016)Five mononuclear Mn(II) complexes, [Mn(phen)(2)(ClO4)(2)] (1), [Mn(phen)(3)](ClO4)(2)(H2CO3)(2)(2), [Mn(bipy)(2)(ClO4)(2)] (3), [Mn(bipy)(3)](ClO4)(2)) (4), and Mn(phen)(2)(ba)(H2O)](ClO4)(CH3OH) (5), where bipy = ... -
Effective catalytic oxidation of alcohols and alkenes with monomeric versus dimeric manganese(II) catalysts and t-BuOOH
(Wiley, 2016)Two new Mn(II) complexes, [Mn(C6H5COO)(H2O)(phen)(2)](ClO4)(CH3OH) (1) and [Mn-2(-C6H5COO)(2)(bipy)(4)]2(ClO4) (2) (phen = 1,10-phenanthroline; bipy = 2,2-bipyridine), were synthesized and characterized using UV-visible ... -
Determination of Adsorption and Kinetic Parameters for Synthesis of Isobutyl Acetate Catalyzed by Amberlite IR-122
(Taylor & Francis Inc, 2009)In the present study, the kinetics of esterification of acetic acid with isobutanol was studied by using Amberlite IR-122 as an acid catalyst. Experiments were carried out in a stirred batch reactor in dioxane at different ... -
Dielectric behavior of the catalyst zeolite NaY
(Scientific Technical Research Council Turkey-Tubitak, 2007)Zeolites are crystalline hydrated aluminosilicates of alkaline and alkaline earth metals. The basic zeolite structure is an anionic frame of Si and Al T-atoms, which are tetrahedral and coordinated with oxygen atoms. The ... -
Infrared spectrum and STM images of cyclohexene-2-ethanamine: First principle investigation
(Elsevier Science BV, 2008)The vibrational properties of cyclohexene-2-ethanamine molecule are studied by both theoretically and experimentally. The theoretical calculations are performed using density functional perturbation theory (DFPT) based on ... -
Dielectric Properties of Isotactic Polypropylene and Montmorillonite Nanocomposites
(IEEE, 2010)Polymer nanocomposites typically consist of inorganic particles dispersed in a polymer matrix. Layered-silicate-based polymer nanocomposites have great potential as low-cost, highperformance materials with various engineering ...