Güncel Gönderiler: Fen Fakültesi
Toplam kayıt 2379, listelenen: 1821-1840
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1-Pentamethylbenzyl-3-(n)buthylbenzimidazolesilver(I)bromide complex: Synthesis, characterization and DFT calculations
(Pergamon-Elsevier Science LTD, 2014)A novel NHC complex of silver(I) ion, 1-pentamethylbenzyl-3-(n)buthylbenzimidazolesilver(I)bromide, was prepared and fully characterized by single crystal X-ray structure determination. FT-IR, NMR and UV-vis spectroscopies ... -
Experimental and theoretical studies on tautomeric structures of a newly synthesized 2,2'(hydrazine-1,2-diylidenebis(propan-1-yl-1-ylidene)) diphenol
(Elsevier Science BV, 2018)In the present study, a single crystal of a Schiff base, 2,2'(hydrazine-1,2-diylidenebis(propan-1-yl-1-ylidene)) diphenol, was synthesized. The structure of the synthesized crystal was confirmed by H-1 and C-13 NMR ... -
Enhanced catalytic activity of o-iodosobenzoate in poly[(styrylmethyl)hexadecyldimethylammonium chloride] latexes for the hydrolysis of p-nitrophenyl diphenyl phosphate
(Elsevier Science BV, 2011)Six 5.0 mol% crosslinked poly[(styrylmethyl)hexadecyldimethylammonium chloride] latexes containing 8-67% quaternization were synthesized via two-stage process and used as supports for o-iodosobenzoate (IBA) catalyst in the ... -
Synthesis and characterization of novel heterosubstituted pyrroles, thiophenes, and furans
(Arkat Usa Inc, 2008)Sixteen new compounds, including novel five-membered heterocyclic systems (pyrrole, thiophene, or furan) linked to imidazole, thiazole, or quinoline rings are reported. The intermediate 1,4-diketones were synthesized via ... -
Facile two-step preparation of polystyrene/anatase TiO2 core/shell colloidal particles and their potential use as an oxidation photocatalyst
(Elsevier Science Sa, 2014)Titania and materials containing titania have received considerable attention due to their technological importance in many areas. In this study, anatase crystalline titania (TiO2) coated polystyrene (PS) colloidal particles ... -
Preparation of novel antimicrobial polymer colloids based on (+)-usnic acid and poly(vinylbenzyl chloride)
(Elsevier Science BV, 2014)A novel antimicrobial colloidal system based on (+)-usnic acid, an important natural antimicrobial molecule, and poly(vinylbenzyl chloride) (PVBC) colloids was synthesized. The chloromethyl functionality on poly(vinylbenzyl ... -
Latexes with Hexadecyl Group on Their Quaternary Ammonium Ions as Catalytic Media for the Hydrolysis of Paraoxon by o-Iodosobenzoate
(Taylor & Francis Inc, 2012)The micelle-mimetic poly[(styrylmethyl)hexadecyldimethylammonium chloride] latexes were used as media and supports for o-iodosobenzoate (IBA) catalyst in the hydrolysis of paraoxon (PO). The latex particles contained 16-67 ... -
Molecular structure and computational studies on 2-((2-(4-(3-(2,5-dimethylphenyl)-3-methylcyclobutyl)thiazol-2-yl)hydrazono)methyl) phenol monomer and dimer by DFT calculations
(Elsevier Science BV, 2016)The title compound, 2-((2-(4-(3-(2,5-Dimethylphenyl)-3-methylcyclobutyl)thiazol-2-yl)hydrazono) methyl)phenol, was characterized by single-crystal X-ray diffraction. In order to calculate molecular geometry along with the ... -
Molecular docking, Hirshfeld surface, structural, spectroscopic, electronic, NLO and thermodynamic analyses on novel hybrid compounds containing pyrazole and coumarin cores
(Elsevier Science BV, 2018)The target compound 3-(3-(4-chlorobenzoyl)-1-phenyl-1H-pyrazole-5-carbonyl)-7-methoxy-2H-chromen-2-one was characterized by FT-IR, Laser-Raman, NMR chemical shift, UV-Vis. and single-crystal X-Ray diffraction spectroscopic ... -
Synthesis, characterization, and reactivity of ruthenium(II) complexes containing eta(6)-arene-eta(1)-pyrazole ligands
(Pergamon-Elsevier Science LTD, 2012)New ruthenium(II) complexes containing eta(6)-arene-eta(1)-pyrazole ligands were synthesized and characterized by elemental analysis and spectroscopic methods. In addition, the molecular structure of di-chloro-3,5-dimeth ... -
Synthesis of an F-BODIPY [2]catenane using the chemistry of bis(dipyrrinato) metal complexes
(Royal Soc Chemistry, 2017)ML2 type complexes of an olefin terminated 5H-dipyrrin ligand can be subjected to twofold ring closing metathesis to give bis(dipyrrinato)copper(II) and bis(dipyrrinato) zinc(II) [2] catenates. Demetalation of the copper(II) ... -
Hydrogen bonded networks and a self-assembled 1D water cluster in nickel(II) and copper(II)-orotate complexes
(Pergamon-Elsevier Science LTD, 2010)Three Ni(II) and Cu(II)-orotate complexes with 1,3-propanediamine (pen) and N-methylethylenediamine (nmen), [Ni(HOr)(H(2)O)(2)(pen)] (1), [Cu(2)(mu-HOr)(2)(pen)(2)] (2) and {[Cu(mu-HOr)(nmen)]center dot 3H(2)O}(n) (3) ... -
Synthesis and characterization of peripheral and non-peripheral substituted Co(II) phthalocyanines and their catalytic activity in styrene oxidation
(Elsevier Science Sa, 2013)The synthesis of symmetrical cobalt(II) phthalocyanine complexes containing 2,2,3,3-tetrafluoro-1-propanoxy and 4-{2-[2-(1-naphthyloxy)ethoxy]ethoxy} groups obtained from 4-nitrophthalonitrile and 3-nitrophthalonitrile are ... -
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 ...
