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1

Partitioning of solutes in different solvent systems: The contribution of hydrogen-bonding capacity and polarity

Nabil El Tayar, Ruey-Shiuan Tsai, Bernard Testa, Pierre-Alain Carrupt, Albert Leo

Journal:

Journal of Pharmaceutical Sciences

Year:

1991

Language:

english

File:

PDF, 721 KB

english, 1991

2

Isotope Effects on the Lipophilicity of Deuterated Caffeines

Antoine Bechalany, Nabil El Tayar, Pierre-Alain Carrupt, Bernard Testa, Jean-Bernard Falconnet, Yahia Cherrah, Youssef Benchekroun, Jean-Louis Brazier

Journal:

Helvetica Chimica Acta

Year:

1989

Language:

english

File:

PDF, 371 KB

english, 1989

3

Solvent-dependent conformation and hydrogen-bonding capacity of cyclosporin A: evidence from partition coefficients and molecular dynamics simulations

El Tayar, Nabil, Mark, Alan E., Vallat, Philippe, Brunne, Roger M., Testa, Bernard, van Gunsteren, Wilfred F.

Journal:

Journal of Medicinal Chemistry

Year:

1993

Language:

english

File:

PDF, 1.92 MB

english, 1993

4

Soluble-water interactions in the organic phase of a biphasic system. 2. Effects of organic phase and temperature on the "water-dragging" effect

Fan, Weizheng, Tsai, Ruey Shiuan, El Tayar, Nabil, Carrupt, Pierre Alain, Testa, Bernard

Journal:

Journal of Physical Chemistry

Year:

1994

Language:

english

File:

PDF, 634 KB

english, 1994

5

Water-dragging effect: a new experimental hydration parameter related to hydrogen-bond-donor acidity

Fan, Weizheng., El Tayar, Nabil., Testa, Bernard., Kier, Lemont B.

Journal:

Journal of Physical Chemistry

Year:

1990

Language:

english

File:

PDF, 402 KB

english, 1990

6

8-Substituted Xanthines as Phosphodiesterase Inhibitors: Conformation-Dependent Lipophilicity and Structure-Activity Relationships

Bernard Walther, Pierre-Alain Carrupt, Nabil El Tayar, Bernard Testa

Journal:

Helvetica Chimica Acta

Year:

1989

Language:

english

File:

PDF, 609 KB

english, 1989

7

Electronic and Conformational Effects on the Lipophilicity of Isomers and Analogs of the Neurotoxin 1-Methyl-4-phenylpyridinium (MPP+)

Cosimo Altomare, Pierre-Alain Carrupt, Nabil El Tayar, Bernard Testa, Toshiharu Nagatsu

Journal:

Helvetica Chimica Acta

Year:

1991

Language:

english

File:

PDF, 429 KB

english, 1991

8

Quantitative Structure-Affinity Relationships of Dopamine D2 Receptor Antagonists: A Comparison between Orthopramides and 6-Methoxysalicylamides

Tomas de Paulis, Nabil El Tayar, Pierre-Alain Carrupt, Bernard Testa, Han van de Waterbeemd

Journal:

Helvetica Chimica Acta

Year:

1991

Language:

english

File:

PDF, 707 KB

english, 1991

9

Ionization Behavior and Ionization-Dependent Conformation of Raclopride, a Dopamine D2 Receptor Antagonist

Pierre-Alain Carrupt, Ruey-Shiuan Tsai, Nabil El Tayar, Bernard Testa, Tomas de Paulis, Thomas Högberg

Journal:

Helvetica Chimica Acta

Year:

1991

Language:

english

File:

PDF, 778 KB

english, 1991

10

Physicochemical and Structural Properties of Non-Steroidal Anti-inflammatory Oxicams

Ruey-Shiuan Tsai, Pierre-Alain Carrupt, Nabil El Tayar, Yvan Giroud, Pedro Andrade, Bernard Testa, Françoise Brée, Jean-Paul Tillement

Journal:

Helvetica Chimica Acta

Year:

1993

Language:

english

File:

PDF, 731 KB

english, 1993

11

Percutaneous penetration of drugs: A quantitative structure-permeability relationship study

Nabil El Tayar, Ruey-Shiuan Tsai, Bernard Testa, Pierre-Alain Carrupt, Corwin Hansch, Albert Leo

Journal:

Journal of Pharmaceutical Sciences

Year:

1991

Language:

english

File:

PDF, 552 KB

english, 1991

12

Interaction of neuroleptic drugs with rat striatal D-1 and D-2 dopamine receptors: a quantitative structure—affinity relationship study

Nabil El Tayar, Gavin J Kilpatrick, Han Van De Waterbeemd, Bernard Testa, Peter Jenner, C.David Marsden

Journal:

European Journal of Medicinal Chemistry

Year:

1988

Language:

english

File:

PDF, 1.02 MB

english, 1988

13

QSAR of nortropane-substituted benzamides: use of lipophilic (RP-HPLC) and electronic (1H NMR) parameters

Sonia Collin, Nabil El Tayar, Han van de Waterbeemd, Florence Moureau, Daniel P Vercauteren, François Durant, Michel Langlois, Bernard Testa

Journal:

European Journal of Medicinal Chemistry

Year:

1989

Language:

english

File:

PDF, 677 KB

english, 1989

14

Comparison of various non-polar stationary phases used for assessing lipophilicity

Antoine Bechalany, Thierry Röthlisberger, Nabil El Tayar, Bernard Testa

Journal:

Journal of Chromatography A

Year:

1989

Language:

english

File:

PDF, 696 KB

english, 1989

15

Different partitioning behaviour of sulphonyl-containing compounds in reversed-phase high-performance liquid chromatography and octanol-water systems

Nabil El Tayar, Anna Tsantili-Kakoulidou, Thierry Roethlisberger, Bernard Testa, Joseph Gal

Journal:

Journal of Chromatography A

Year:

1988

Language:

english

File:

PDF, 500 KB

english, 1988

16

Centrifugal counter-current chromatography, a promising means of measuring partition coefficients

Philippe Vallat, Nabil el Tayar, Bernard Testa, Ivan Slacanin, Andrew Marston, Kurt Hostettmann

Journal:

Journal of Chromatography A

Year:

1990

Language:

english

File:

PDF, 589 KB

english, 1990

17

Lipophilicity measurements of protonated basic compounds by reversed-phase high-performance liquid chromatography : II. Procedure for the determination of a lipophilic index measured by reversed-phase high-performance liquid chromatography

Nabil El Tayar, Han Van de Waterbeemd, Bernard Testa

Journal:

Journal of Chromatography A

Year:

1985

Language:

english

File:

PDF, 585 KB

english, 1985

18

Lipophilicity measurements of protonated basic compounds by reversed-phase high-performance liquid chromatography : I. Relationship between capacity factors and the methanol concentration in methanol-water eluents

Nabil El Tayar, Han van de Waterbeemd, Bernard Testa

Journal:

Journal of Chromatography A

Year:

1985

Language:

english

File:

PDF, 653 KB

english, 1985

19

Structural effects in the lipophilicity of di- and polysubstituted benzenes as measured by reversed-phase high-performance liquid chromatography

Anna Tsantili-Kakoulidou, Nabil El Tayar, Han Van De Waterbeemd, Bernard Testa

Journal:

Journal of Chromatography A

Year:

1987

Language:

english

File:

PDF, 866 KB

english, 1987

20

Measurement of lipophilicity indices by reversed-phase high-performance liquid chromatography: comparison of two stationary phases and various eluents

Antoine Bechalany, Anna Tsantili-Kakoulidou, Nabil El Tayar, Bernard Testa

Journal:

Journal of Chromatography A

Year:

1991

Language:

english

File:

PDF, 592 KB

english, 1991

21

Measurement of partition coefficients by various centrifugal partition chromatographic techniques : A comparative evaluation

Nabil El Tayar, Ruey-Shiuan Tsai, Philippe Vallat, Cosimo Altomare, Bernard Testa

Journal:

Journal of Chromatography A

Year:

1991

Language:

english

File:

PDF, 985 KB

english, 1991

22

Use of centrifugal partition chromatography for assessing partition coefficients in various solvent systems

Nabil El Tayar, Andrew Marston, Antoine Bechalany, Kurt Hostettmann, Bernard Testa

Journal:

Journal of Chromatography A

Year:

1989

Language:

english

File:

PDF, 619 KB

english, 1989

23

Pattern recognition study of QSAR substituent descriptors

Han van de Waterbeemd, Nabil El Tayar, Pierre -Alain Carrupt, Bernard Testa

Journal:

Journal of Computer-Aided Molecular Design

Year:

1989

Language:

english

File:

PDF, 901 KB

english, 1989

24

Toroidal coil centrifugal partition chromatography, a method for measuring partition coefficients

Ruey-Shiuan Tsai, Nabil El Tayar, Bernard Testa, Yoichiro Ito

Journal:

Journal of Chromatography A

Year:

1991

Language:

english

File:

PDF, 288 KB

english, 1991

25

The Prediction of Substituent Interactions in the Lipophilicity of Disubstituted Benzenes using RP-HPLC

Nabil El Tayar, Han van De Waterbeemd, Bernard Testa

Journal:

Molecular Informatics

Year:

1985

Language:

english

File:

PDF, 1.08 MB

english, 1985

26

Physicochemical properties and transport behaviour of piribedil: Considerations on its membrane-crossing potential

Ruey-Shiuan Tsai, Nabil El Tayar, Pierre-Alain Carrupt, Bernard Testa

Journal:

International Journal of Pharmaceutics

Year:

1992

Language:

english

File:

PDF, 732 KB

english, 1992

27

Structural predictions for the ligand-binding region of glycoprotein hormone receptors and the nature of hormone–receptor interactions

Xuliang Jiang, Michel Dreano, David R Buckler, Shirley Cheng, Arnaud Ythier, Hao Wu, Wayne A Hendrickson, Nabil El Tayar

Journal:

Year:

1995

Language:

english

File:

PDF, 1.66 MB

english, 1995

28

Do thermodynamic studies provide information on both the binding to and the activation of dopaminergic and other receptors?

Bernard Testa, Peter Jenner, Gavin J. Kilpatrick, Nabil El Tayar, Han Van de Waterbeemd, C.David Marsden

Journal:

Biochemical Pharmacology

Year:

1987

Language:

english

File:

PDF, 578 KB

english, 1987

29

Toxication of MPTP (1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine) and analogs by monoamine oxidase: A structure-reactivity relationship study

Gerard Maret, Nabil El Tayar, Pierre-Alain Carrupt, Bernard Testa, Peter Jenner, Mark Baird

Journal:

Biochemical Pharmacology

Year:

1990

Language:

english

File:

PDF, 950 KB

english, 1990

30

Advances in the molecular understanding of gonadotropins-receptors interactions

Journal:

Molecular and Cellular Endocrinology

Year:

1996

Language:

english

File:

PDF, 578 KB

english, 1996

31

The MPTP Story: Mao Activates Tetrahydropyridine Derivatives to Toxins Causing Parkinsonism

Maret, Gérard, Testa, Bernard, Jenner, Peter, Tayar, Nabil El, Carrupt, Pierre-Alain

Journal:

Drug Metabolism Reviews

Year:

1990

Language:

english

File:

PDF, 735 KB

english, 1990

32

The Binding of Agonists and Antagonists to Rat Lung Beta-Adrenergic Receptors as Investigated by Thermodynamics and Structure-activity Relationships

Bree, Françoise, Tayar, Nabil El, Waterbeemd, Han Van de, Testa, Bernard, Tillement, Jean-Paul

Journal:

Journal of Receptor and Signal Transduction Research

Year:

1986

Language:

english

File:

PDF, 814 KB

english, 1986

33

The lipophilicity of deuterium atoms. A comparison of shake-flask and HPLC methods

Tayar, Nabil El, van de Waterbeemd, Han, Gryllaki, Markoulina, Testa, Bernard, Trager, William F.

Journal:

International Journal of Pharmaceutics

Year:

1984

Language:

english

File:

PDF, 973 KB

english, 1984

34

Solvent-dependent lipophilicity and hydrogen-bonding capacity of 2-pyridylalkanols

Gryllaki, Markoulina, van de Waterbeemd, Han, Testa, Bernard, El Tayar, Nabil, Mayer, Joachim M., Carrupt, Pierre-Alain

Journal:

International Journal of Pharmaceutics

Year:

1989

Language:

english

File:

PDF, 458 KB

english, 1989

35

Characterization of the Major Histocompatibility Complex Class II Binding Site on LAG-3 Protein

Bertrand Huard, Renato Mastrangeli, Philippe Prigent, Denis Bruniquel, Silvia Donini, Nabil El-Tayar, Bernard Maigret, Michel Dréano and Frédéric Triebel

Journal:

Proceedings of the National Academy of Sciences

Year:

1997

Language:

english

File:

PDF, 1.19 MB

english, 1997

36

Quantitative structure-metabolism relationship analyses of MAO-mediated toxication of 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine and analogs

Altomare, Cosimo, Carrupt, Pierre Alain, Gaillard, Patrick, El Tayar, Nabil, Testa, Bernard, Carotti, Angelo

Journal:

Chemical Research in Toxicology

Year:

1992

Language:

english

File:

PDF, 2.80 MB

english, 1992

37

Modeling of .beta.-adrenoceptors based on molecular electrostatic potential studies of agonists and antagonists

El Tayar, Nabil, Carrupt, Pierre Alain, Van de Waterbeemd, Han, Testa, Bernard

Journal:

Journal of Medicinal Chemistry

Year:

1988

Language:

english

File:

PDF, 982 KB

english, 1988

38

Effects of solvation on the ionization and conformation of raclopride and other antidopaminergic 6-methoxysalicylamides: insight into the pharmacophore. [Erratum to document cited in CA118(7):51870w]

Tsai, Ruey Shiuan, Carrupt, Pierre Alain, Testa, Bernard, Gaillard, Patrick, El Tayar, Nabil, Hoegberg, Thomas

Journal:

Journal of Medicinal Chemistry

Year:

1993

File:

PDF, 37 KB

1993

39

Quantitative structure-activity relationships and eudismic analyses of the presynaptic dopaminergic activity and dopamine D2 and .sigma. receptor affinities of 3-(3-hydroxyphenyl)piperidines and octahydrobenzo[f]quinolines

Van de Waterbeemd, Han, El Tayar, Nabil, Testa, Bernard, Wikstroem, Haakan, Largent, Brian

Journal:

Journal of Medicinal Chemistry

Year:

1987

Language:

english

File:

PDF, 847 KB

english, 1987

40

Effects of solvation on the ionization and conformation of raclopride and other antidopaminergic 6-methoxysalicylamides: insight into the pharmacophore

Tsai, Ruey Shiuan, Carrupt, Pierre-Alain, Testa, Bernard, Gaillard, Patrick, El Tayar, Nabil, Hoegberg, Thomas

Journal:

Journal of Medicinal Chemistry

Year:

1993

Language:

english

File:

PDF, 1.06 MB

english, 1993

41

Solute-water interactions in the organic phase of a biphasic system. 1. Structural influence of organic solutes on the "water-dragging" effect

Tsai, Ruey Shiuan, Fan, Weizheng, El Tayar, Nabil, Carrupt, Pierre Alain, Testa, Bernard, Kier, Lemont B.

Journal:

Journal of the American Chemical Society

Year:

1993

Language:

english

File:

PDF, 833 KB

english, 1993

42

Morphine 6-glucuronide and morphine 3-glucuronide as molecular chameleons with unexpected lipophilicity

Carrupt, Pierre Alain, Testa, Bernard, Bechalany, Antoine, El Tayar, Nabil, Descas, Patrick, Perrissoud, Daniel

Journal:

Journal of Medicinal Chemistry

Year:

1991

Language:

english

File:

PDF, 1.17 MB

english, 1991

43

Polar intermolecular interactions encoded in partition coefficients: an indirect estimation of hydrogen-bond parameters of polyfunctional solutes

El Tayar, Nabil, Testa, Bernard, Carrupt, Pierre Alain

Journal:

Journal of Physical Chemistry

Year:

1992

Language:

english

File:

PDF, 672 KB

english, 1992

44

Octan-1-ol?water partition coefficients of zwitterionic ?-amino acids. Determination by centrifugal partition chromatography and factorization into steric/hydrophobic and polar components

El Tayar, Nabil, Tsai, Ruey-Shiuan, Carrupt, Pierre-Alain, Testa, Bernard

Journal:

Journal of the Chemical Society Perkin Transactions 2

Year:

1992

Language:

english

File:

PDF, 853 KB

english, 1992

45

Structure?lipophilicity relationships of zwitterionic amino acids

Tsai, Ruey-Shiuan, Testa, Bernard, El Tayar, Nabil, Carrupt, Pierre-Alain

Journal:

Journal of the Chemical Society Perkin Transactions 2

Year:

1991

Language:

english

File:

PDF, 742 KB

english, 1991

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