Gotowa bibliografia na temat „Tautomeric constant”
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Artykuły w czasopismach na temat "Tautomeric constant"
KOSAR, BASAK. "THERMODYNAMIC AND SECOND-ORDER NON-LINEAR OPTICAL PROPERTIES OF TAUTOMERIC FORMS OF (E)-4-METHOXY-2-[(4-NITROPHENYL)IMINOMETHYL]PHENOL: A DENSITY FUNCTIONAL STUDY". Journal of Theoretical and Computational Chemistry 10, nr 03 (czerwiec 2011): 279–95. http://dx.doi.org/10.1142/s021963361100644x.
Pełny tekst źródłaScrypynets, Yu V., G. O. Fedosenko, G. V. Maltsev, I. I. Chebotars'ka, D. I. Aleksandrova, S. N. Kashutskуy i A. V. Yegorova. "DETERMINATION OF THE IONIZATION CONSTANT OF FAVIPIRAVIR API". Odesa National University Herald. Chemistry 28, nr 2(85) (12.09.2023): 52–61. http://dx.doi.org/10.18524/2304-0947.2023.2(85).286603.
Pełny tekst źródłaBabu, Numbury Surendra, i Didugu Jayaprakash. "Computational Study of the Stability of Tautomers and equilibrium constants of Cyanuric acid (CA) in Different solvents." JOURNAL OF ADVANCES IN CHEMISTRY 11, nr 2 (22.01.2015): 3485–97. http://dx.doi.org/10.24297/jac.v11i2.6691.
Pełny tekst źródłaHallé, Jean-Claude, Jacques Lelievre i François Terrier. "Solvent effect on preferred protonation sites in nicotinate and isonicotinate anions". Canadian Journal of Chemistry 74, nr 4 (1.04.1996): 613–20. http://dx.doi.org/10.1139/v96-065.
Pełny tekst źródłaMchedlov-Petrossyan, Nikolay O., i Natalya A. Vodolazkaya. "Protolytic Equilibria in Organized Solutions: Ionization and Tautomerism of Fluorescein Dyes and Related Indicators in Cetyltrimethylammonium Chloride Micellar Solutions at High Ionic Strength of the Bulk Phase". Liquids 1, nr 1 (20.02.2021): 1–24. http://dx.doi.org/10.3390/liquids1010001.
Pełny tekst źródłaNishimura, N., K. Danjo, Y. Sueishi i S. Yamamoto. "Solvent and Pressure Effects on the Tautomeric Equilibrium of 4-Phenylazo-1-naphthol". Australian Journal of Chemistry 41, nr 6 (1988): 863. http://dx.doi.org/10.1071/ch9880863.
Pełny tekst źródłaLopez, Concepcion, Rosa Ma Claramunt, Swiatoslaw Trofimenko i José Elguero. "A 13C NMR spectroscopy study of the structure of N-H pyrazoles and indazoles". Canadian Journal of Chemistry 71, nr 5 (1.05.1993): 678–84. http://dx.doi.org/10.1139/v93-092.
Pełny tekst źródłaNěmcová, Irena, Oldřich Valcl i Jiří Makovička. "The interactions of tensides with calconalide I". Collection of Czechoslovak Chemical Communications 56, nr 10 (1991): 2100–2106. http://dx.doi.org/10.1135/cccc19912100.
Pełny tekst źródłaAcree, William E., i Sheryl A. Tucker. "Thermochemical Investigations of Tautomeric Equilibrium. Variation of the Calculated Equilibrium Constant with Binary Solvent Composition". Physics and Chemistry of Liquids 20, nr 2-3 (wrzesień 1989): 135–45. http://dx.doi.org/10.1080/00319108908036400.
Pełny tekst źródłaMoskaeva, Elena, Ahina Mosharenkova, Sergey Shekhovtsov i Nikolay Mchedlov-Petrossyan. "PROTOLYTIC EQUILIBRIUM OF TETRA- AND PENTANITROFLUORESCEINS IN A BINARY SOLVENT ACETONITRILE – DIMETHYL SULFOXIDE (MASS RATIO 96 : 4)". Ukrainian Chemistry Journal 87, nr 5 (25.06.2021): 25–37. http://dx.doi.org/10.33609/2708-129x.87.05.2021.25-37.
Pełny tekst źródłaRozprawy doktorskie na temat "Tautomeric constant"
Moskaieva, Olena. "Structure moléculaire et équilibres ioniques des colorants fluorogènes dans les solvants aprotiques polaires". Electronic Thesis or Diss., Université de Lille (2022-....), 2023. http://www.theses.fr/2023ULILR012.
Pełny tekst źródłaFluorescein dyes are widely used in different brunches of chemistry and related sciences, first of all owing to their unique fluorescent properties. Among these compounds, nitro derivatives are much less explored. This work was aimed to disclose the main protolytic and spectral properties in non-aqueous solutions of these dyes.A series of nitrofluoresceins and several amino derivatives, 22 compounds in total, was studied in detain mainly by spectroscopic methods.The behavior of these compounds differs significantly from that of other fluorescein dyes, e.g., very popular halogen derivatives. The shift of the tautomeric equilibrium of the neutral forms of the dyes is shifted toward the lactone. The peculiar feature of the dyes bearing four NO2 groups in the xanthenes portion of the molecule is formation of anionic lactones, caused by the pulling electron density away from the nodal carbon atom. Another feature is the ease of the rupture of the pyran ring in highly alkaline solutions.The values of the dyes were determined by the spectrophotometric method in buffer solutions in DMSO and in several cases in acetonitrile that contains 4 mass % DMSO, at 25 oC.Interpreting the values require an understanding of the state of tautomeric equilibria. For instance, the difference between the values of stepwise dissociation of the dyes, , in DMSO vary from 1.2 for 5'-nitrofluorescein to 7.6 to 4,5-dinito-2,7-dibromofluorescein. The analysis of the absorption spectra in the visible region allows identifying the molecular and ionic structures of the dyes. The evaluation of the fractions of the tautomers made it possible to calculate the so-called microscopic equilibrium constants, describing the dissociation of single tautomers. The last-named coincide with those of model compounds: esters, ether, and a sulfo analogue.A special study was devoted to revealing the transmittance of the electronic effects in the fluorescein molecule by examining the influence of NO2 and NH2 substituents in the phthalic acid residue on the s of the OH groups in the xanthenes part.Introduction of a nitro group in the phthalic part of fluorescein quenches the emission. Surprisingly, the dyes with four NO2 groups in the xanthenes part exhibit bright fluorescence in DMSO and aprotic solvents. As result, a new pH-independent fluorescent indicator, methyl ester of 2,4,5,7-tetranitrofluorescein, very sensitive to the ability of the solvent to hydrogen bonding, is proposed. Also, the conditions of single- and double-charged anions of 5'-aminofluorescein in solutions of different nature are elucidated.The study of a mixture of aprotic and hydrogen bond donor solvents with model compounds (BODIPY) will allow us to further study in more detail the mechanism of the effect of hydrogen bonds on fluorescein derivatives
Baldasare, Corey Adam. "Quantum Chemical pKa Estimation of Carbon Acids, Saturated Alcohols, and Ketones via Quantitative Structure-Activity Relationships". Wright State University / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=wright1598550823525731.
Pełny tekst źródłaGrajales, Gonzalez Edwing. "Theoretical Kinetic Study of the Unimolecular and H-Assisted Keto-Enol Tautomerism Propen-2-ol ↔Acetone. Pressure Effects and Implications in the Pyrolysis and Oxidation of tert- And 2-Butanol". Thesis, 2018. http://hdl.handle.net/10754/627914.
Pełny tekst źródłaStreszczenia konferencji na temat "Tautomeric constant"
Albuquerque, Ana Carolina Ferreira de, José Walkimar de Mesquita Carneiro i Fernando Martins dos Santos Junior. "Estudo do tautomerismo ceto-enólico da 7-epi-clusianona através de cálculos teóricos de deslocamentos químicos de RMN". W VIII Simpósio de Estrutura Eletrônica e Dinâmica Molecular. Universidade de Brasília, 2020. http://dx.doi.org/10.21826/viiiseedmol202063.
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