Halogen bonding solution (7 résultats)
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Taschenbuch. Etat : Neu. Studies of halogen bonding in solution | Thermodynamic data, substituent and solvent effects lead to anion recognition | Mohammed Sarwar | Taschenbuch | 204 S. | Englisch | 2016 | LAP LAMBERT Academic Publishing | EAN 9783659167393 | Verantwortliche Person für die EU: preigu GmbH & Co. KG, Lengericher La…ndstr. 19, 49078 Osnabrück, mail[at]preigu[dot]de | Anbieter: preigu.
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Etat : New. Stefan Huber is associate professor of organic chemistry at Ruhr-University Bochum, Germany, since 2014. His research interest is the development of applications for halogen bonding and chalcogen bonding in solution, with a strong focus on organocatalysis a.
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Taschenbuch. Etat : Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Halogen bonding (XB), the interaction between electron deficient halogen atoms and electron donors, is an established non-covalent interaction in the solid and gaseous phases. To overcome the limitations of the understanding of XB, we i…nvestigate XB interactions in solution and design anion receptors. At first, a review of XB interaction: theoretical models, studies of XB in solid and gaseous phases and examples in biological systems are discussed. Then linear free energy relationships involving the thermodynamics of XB are studied. The utility of substituent constants and calculated molecular electrostatic potentials of XB donor ability are discussed. DFT calculations are shown to have useful predictive values for trends in halogen bond strength. We also developed XB based new multidentate anion receptors which exhibit significantly higher binding constants than monodentate donors. Using FNMR, the enthalpies and entropies of anion bindings for mono and tridentate receptors were determined and showed a +Ve entropy contribution to anion binding for both receptors in acetone solvent. These findings can allude to utility in organic synthesis, supramolecular chemistry and drug design 204 pp. Englisch.
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Etat : New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Autor/Autorin: Sarwar MohammedMohammed Sarwar received his B.Sc and M.Sc degrees in chemistry from Jahangirnagar University, Bangladesh. Later he received his Ph.D. in 2012 under the supervision of Mark Taylor at the Univ…ersity of Toronto, where hi.
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Taschenbuch. Etat : Neu. This item is printed on demand - Print on Demand Titel. Neuware -Halogen bonding (XB), the interaction between electron deficient halogen atoms and electron donors, is an established non-covalent interaction in the solid and gaseous phases. To overcome the limitations of the understanding of XB, we inves…tigate XB interactions in solution and design anion receptors. At first, a review of XB interaction: theoretical models, studies of XB in solid and gaseous phases and examples in biological systems are discussed. Then linear free energy relationships involving the thermodynamics of XB are studied. The utility of substituent constants and calculated molecular electrostatic potentials of XB donor ability are discussed. DFT calculations are shown to have useful predictive values for trends in halogen bond strength. We also developed XB based new multidentate anion receptors which exhibit significantly higher binding constants than monodentate donors. Using FNMR, the enthalpies and entropies of anion bindings for mono and tridentate receptors were determined and showed a +Ve entropy contribution to anion binding for both receptors in acetone solvent. These findings can allude to utility in organic synthesis, supramolecular chemistry and drug designVDM Verlag, Dudweiler Landstraße 99, 66123 Saarbrücken 204 pp. Englisch.
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Taschenbuch. Etat : Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - Halogen bonding (XB), the interaction between electron deficient halogen atoms and electron donors, is an established non-covalent interaction in the solid and gaseous phases. To overcome the limitations of the understanding of XB, we invest…igate XB interactions in solution and design anion receptors. At first, a review of XB interaction: theoretical models, studies of XB in solid and gaseous phases and examples in biological systems are discussed. Then linear free energy relationships involving the thermodynamics of XB are studied. The utility of substituent constants and calculated molecular electrostatic potentials of XB donor ability are discussed. DFT calculations are shown to have useful predictive values for trends in halogen bond strength. We also developed XB based new multidentate anion receptors which exhibit significantly higher binding constants than monodentate donors. Using FNMR, the enthalpies and entropies of anion bindings for mono and tridentate receptors were determined and showed a +Ve entropy contribution to anion binding for both receptors in acetone solvent. These findings can allude to utility in organic synthesis, supramolecular chemistry and drug design.
