Zobrazeno 1 - 10 of 174 pro vyhledávání: '"R W, Taft"'
1
Evaluation of intrinsic reaction constants of resonance, field/inductive and polarizability effects through molecular structures subject to protonation
Autor: R. W. Taft, J. Fabero, J. L. G. De Paz, Javier Catalán, M. Sanchez-Cabezudo
Publikováno v: Journal of Physical Organic Chemistry. 9:87-104
This paper reports a theoretical approach based on ab initio calculations for the evaluation of intrinsic reaction constants of resonance, field/inductive and polarizability effects of compounds subject to protonation. Field/inductive and polarizabil
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::199d7a060bd62979103e249faff69382
https://doi.org/10.1002/(sici)1099-1395(199602)9:2<87::aid-poc757>3.0.co
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2
Acidities of 4-substituted benzoic, bicyclo[2.2.2]oct-1-yl and bicyclo[2.2.2]oct-2-enyl carboxylic acids
Autor: Masaaki Mishima, Ronald D. Topsom, L. M. Stock, R. W. Taft, Ivar Koppel
Publikováno v: Journal of Physical Organic Chemistry. 6:685-689
Experimental gas-phase acidities are reported for a series of 4-substituted bicyclo [2.2.2] oct-1-yl carboxylic acids and for a limited number of the corresponding bicyclo [2.2.2] oct-2-enyl carboxylic acids. Similar acidities are also reported for a
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0cc2df34cebc0d9cea88ee5e83079bfd
https://doi.org/10.1002/poc.610061205
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3
ChemInform Abstract: A Survey of Hammett Substituent Constants and Resonance and Field Parameters
Autor: Corwin Hansch, R. W. Taft, A. Leo
Publikováno v: ChemInform. 22
The Hammett equation (and its extended forms) has been one of the most widely used means for the study and interpretation of organic reactions and their mechanisms. Although the Hammett methodology has been criticized by theoreticians because of its
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::48d23aeafd89901dc22a9e9aeb1750c5
https://doi.org/10.1002/chin.199139332
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8
Experimental and theoretical studies of the effects of hydration on proton exchange equilibria
Autor: Stephen Marriott, R. D. Topsom, A. Partridge, J. Bromilow, R. W. Taft
Publikováno v: Journal of Physical Organic Chemistry. 4:479-484
Theoretical calculations with the ab initio molecular orbital STO-3G basis set on the effect of trihydration on the relative acidities of 3- and 4-substituted phenols, 4-substituted quinuclidinium ions and 4-substituted bicyclo [2.2.2]octylammonium i
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::359a0cdbf804b5e8b6e048c6913b7f52
https://doi.org/10.1002/poc.610040803
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9
A survey of Hammett substituent constants and resonance and field parameters
Autor: A. Leo, Corwin Hansch, R. W. Taft
Publikováno v: Chemical Reviews. 91:165-195
The Hammett equation (and its extended forms) has been one of the most widely used means for the study and interpretation of organic reactions and their mechanisms. Although the Hammett methodology has been criticized by theoreticians because of its
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::52c2a236353fd2185e9cc60c96fa5168
https://doi.org/10.1021/cr00002a004
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10
Experimental and theoretical study of lithium(1+) affinities of methyldiazoles
Autor: Manuel Yáñez, R. W. Taft, Manuel Alcamí, Otilia Mó, Frederick Anvia
Publikováno v: The Journal of Physical Chemistry. 94:4796-4804
The gas-phase Li + affinities of a wide set of methyldiazoles were obtained by ion cyclotron resonance techniques. Simultaneously, Hartree-Fock calculations at the 3-21G level have been performed to investigate the structure and stability of these Li
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1463cd9e15ad3f107add121d36d92918
https://doi.org/10.1021/j100375a011
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