Güncel Gönderiler: Makale Koleksiyonu
Toplam kayıt 1058, listelenen: 661-680
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Synthesis and characterization of a novel 3-amino-1,2,4-triazole lead(II) coordination polymer
(Scientific Technical Research Council Turkey-Tubitak, 2014)A novel [Pb-2(mu-atrz)(2)(mu-CH3COO)(CH3COO)](n) (atrz = 3 amino-1,2,4-triazole) complex was synthesized and characterized by IR spectroscopy, thermogravimetric analysis, and single crystal X-ray diffraction. The molecular ... -
A facile protocol for the preparation of 5-alkylidene and 5-imino substituted hydantoins from N,N '-disubstituted parabanic acids
(Pergamon-Elsevier Science LTD, 2012)A convenient procedure for the preparation of various substituted (thio)hydantoins is described. The method is based on Wittig and aza-Wittig reactions of parabanic acids with phosphonium ylides. The reactions occurred ... -
Synthesis, characterization and catalytic activity of peripherally tetra-substituted Co(II) phthalocyanines for cyclohexene oxidation
(Wiley, 2013)New 3,3-diphenylpropoxyphthalonitrile (5) was obtained from 3,3-diphenylpropanol (3) and 4-nitrophthalonitrile (4) with K2CO3 in DMF at 50 degrees C. The novel cobalt(II) phthalocyanine complexes, tetrakis-[2-(1,4-dioxa- ... -
Ruthenium(II) complexes bearing pyridine-based tridentate and bidentate ligands: catalytic activity for transfer hydrogenation of aryl ketones
(Wiley, 2012)Ru(II) complexes of the general formula [RuCl2('NNN??')(L)] (1: 'N?=?Nb, L?=?MeOH; 2: 'N?=?Nb, L?=?CH3CN; 3: 'N?=?Nd, L?=?CH3CN; 4: 'N?=?Np, L?=?CH3CN), [Ru(p-cymene)(NN?ab)Cl]Cl (5a: N?Na?=?2,2'-bipyridine; 5b: ... -
Two novel isostructural and heteroleptic Nd(III) and Dy(III)-organic frameworks constructed by 2,5-pyridinedicarboxylic acid and in situ generated 2-pyridinecarboxylic acid: Hydrothermal synthesis, characterization, photoluminescence properties and heterogeneous catalytic activities
(Pergamon-Elsevier Science LTD, 2017)The crystal structures, heterogeneous catalytic activities and photoluminescent properties of two novel three dimensional (3D) metal organic frameworks (MOFs), [Nd(pyc)(pydc)(H2O)](n) (1) and [Dy(pyc) (pydc)(H2O)](n) (2) ... -
Novel heteroleptic lanthanide organic frameworks containing pyridine-2,5-dicarboxylic acid and in situ generated piperazine-2,5-dicarboxylic acid from piperazine: Hydrothermal synthesis and luminescent properties
(Academic Press Inc Elsevier Science, 2016)Two novel 3D lanthanide metal-organic frameworks [Ln(pydc)(pip)(1/2)(H2O] (Ln=Ce (1) and Pr (2), H(2)pydc=2,5-pyridinedicarboxylic acid, H(2)pip=2,5-piperazinedicarboxylic acid have been synthesized under hydrothermal ... -
Transfer Hydrogenation of Aryl Ketones with Half-Sandwich RuII Complexes That Contain Chelating Diamines
(Wiley-V C H Verlag GMBH, 2012)In a comparative study, half-sandwich complexes of RuII (1) with pyridine-based chelating diamine [NN = 2-aminomethylpiperidine (ampi), a; 2-aminomethylpyridine (ampy), b; 8-aminoquaniline (aquan), c; 4,4'-dimethyl-2,2'-bipyridine ... -
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. ...
