Güncel Gönderiler: PubMed İndeksli Yayınlar Koleksiyonu
Toplam kayıt 1498, listelenen: 621-640
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Crystal Structure, Matrix-Isolation FTIR, and UV-Induced Conformational Isomerization of 3-Quinolinecarboxaldehyde
(American Chemical Society, 2014)The crystal structure of 3-quinolinecarboxaldehyde (3QC) has been solved, and the compound has been shown to crystallize in the space group P2(1)/c (monoclinic) with a = 6.306(4), b = 18.551(11), c = 6.999(4) angstrom, ... -
Structure and Photochemistry of N-Salicylidene-p-carboxyaniline Isolated in Solid Argon
(American Chemical Society, 2015)Infrared matrix isolation spectroscopy and DFT/B3LYP/6-311++G(d,p) calculations have been used to characterize the conformational space of the enol-imine and keto-amine tautomers of N-salicylidene-p-carboxyaniline (SCA) ... -
Experimental Evidence of Long-Range Intramolecular Vibrational Energy Redistribution through Eight Covalent Bonds: NIR Irradiation Induced Conformational Transformation of E-Glutaconic Acid
(American Chemical Society, 2017)Long-range intramolecular-vibrational energy redistribution (IVR) driven conformational changes were investigated in a matrix-isolated open-chain, asymmetrical dicarboxylic acid, E-glutaconic acid. Although the analysis ... -
Conformers of beta-aminoisobutyric acid probed by jet-cooled microwave and matrix isolation infrared spectroscopic techniques
(Amer Inst Physics, 2013)beta-aminoisobutyric acid (BAIBA) has been studied in isolation conditions: in the gas phase and trapped into a cryogenic N-2 matrix. A solid sample of the compound was vaporized by laser ablation and investigated through ... -
Methylparaben Isolated in Solid Argon: Structural Characterization and UV-Induced Conversion into Methylparaben Radical and Isomeric Ketenes
(American Chemical Society, 2013)Methylparaben (methyl p-hydroxybenzoic acid; MP) is a widely used antimicrobial preservative, being the most frequently used antimicrobial preservative in cosmetics. The generalized use of MP has become controversial, with ... -
Effects of the matrix and intramolecular interactions on the stability of the higher-energy conformers of 2-fluorobenzoic acid
(Amer Inst Physics, 2017)DFT(B3LYP)/6-311++ G(d, p) calculations on 2-fluorobenzoic acid (2FBA) showthat the molecule has four conformers: two lowenergy conformers (forms I and II) with the carboxylic acid group assuming the cis configuration (O ... -
Photoisomerization and Photochemistry of Matrix-Isolated 3-Furaldehyde
(American Chemical Society, 2010)3-Furaldehyde (3FA) was isolated in an argon matrix at 12 K and studied using FTIR spectroscopy and quantum chemistry The molecule has two conformers with trans and cis orientation of the O=C-C=C dihedral angle At the ... -
Trans- and cis-stilbene isolated in cryogenic argon and xenon matrices
(Pergamon-Elsevier Science LTD, 2015)Monomers of trans- (TS) and cis-stilbene (CS) were isolated in cryogenic argon and xenon matrices, and their infrared (IR) spectra were fully assigned and interpreted. The interpretation of the vibrational spectra received ... -
4-Mercaptophenylboronic acid: Conformation, FT-IR, Raman, OH stretching and theoretical studies
(Pergamon-Elsevier Science LTD, 2015)4-Mercaptophenylboronic acid (4-mpba, C6H7BO2S) was investigated experimentally by vibrational spectroscopy. The molecular structure and spectroscopic parameters were studied by computational methods. The molecular dimer ... -
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 ... -
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) ... -
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 ... -
Synthesized some 4-(2-thiazolylazo)resorcinol complexes: Characterization, thermal and optical properties
(Pergamon-Elsevier Science LTD, 2009)Some transition metal complexes of the type [ML2]center dot nH(2)O (n = 0 or 2) of the title ligand, 4-(2-thiazolylazo)resorcinol, HL (TAR) have been synthesized and characterized by various analytical and physicochemical ... -
Controlled growth of c-axis oriented ZnO nanorod array films by electrodeposition method and characterization
(Pergamon-Elsevier Science LTD, 2014)ZnO nanorod array films were deposited from aqueous solution containing different concentrations (1 x 10(-2) M and 5 x 10(-3) M) Zn(NO3)(2)center dot 6H(2)O and C6H12N4 and at different electrodeposition times (i.e., 15 ... -
Complete analysis of the H-1 and C-13 NMR spectra of diastereomeric mixtures of (R,S- and S,S-)-3,6-dimethoxy-2,5-dihydropyrazine-substituted indoles and their conformational preference in solution
(Wiley-Blackwell, 2010)Complete analysis of the H-1 and C-13 NMR spectra obtained with and without a chemical shift reagent (Eu(fod)(3)), of bis-lactim ether 1 (Schollkopf auxiliary) and monosubstituted 3- or 2-{(2R,5S or 2S,5S)-5-isopropyl-3, ... -
Does Para-chloroaniline Really Form after Mixing Sodium Hypochlorite and Chlorhexidine?
(Elsevier Science Inc, 2016)Introduction: Mixing sodium hypochlorite (NaOCI) with chlorhexidine (CHX) forms a brown-colored precipitate. Previous studies are not in agreement whether this precipitate contains para-chloroaniline (PCA). Tests used for ... -
Degradation of 2,4,6-trichlorophenol with peroxymonosulfate catalyzed by soluble and supported iron porphyrins
(Elsevier Sci LTD, 2017)Degradation of 2,4,6-trichloropenol (TCP) with peroxymonosulfate (PMS) catalyzed by iron porphyrin tetrasulfonate ([FePTS)] was investigated in an 8-to-1 (v/v) CH3OH-H2O mixture. Typical reaction medium contained a 4.00 ... -
Determination of the relationship between radon anomalies and earthquakes in well waters on the Aksehir-Simav Fault System in Afyonkarahisar province, Turkey
(Elsevier Sci LTD, 2012)Radon concentrations were measured in water of 4 wells on the Aksehir-Simav Fault System (ASFS) in Afyonkarahisar province from August 2009 to September 2010 and the relationship between radon anomalies and earthquake ... -
A detailed investigation on electro-Fenton treatment of propachlor: Mineralization kinetic and degradation intermediates
(Pergamon-Elsevier Science LTD, 2015)In this study, electrochemical removal of propachlor from water has been investigated by electro-Fenton process which provides continuous electrochemical production of hydroxyl radical which is a highly oxidizing agent. ... -
Developing column material for the separation of serum amyloid P and C reactive protein from biological sources
(Wiley-Blackwell, 2014)In this study, we have investigated the isolation of serum amyloid P (SAP) and C-reactive protein (CRP) from rainbow trout. It has recently been found that SAP is deposited in atherosclerotic lesions or neurofibrillary ...
