Results 111 to 120 of about 1,354 (166)

Updating Reaction Mechanistic Domains for Skin Sensitization: 1. Nucleophilic Skin Sensitizers. [PDF]

Chem Res Toxicol
Roberts DW, Api AM, Aptula A, Lee I, Moustakas H.   +4 more
europepmc   +1 more source

Kinetic and Theoretical Studies of 3,5-Dicyanothiophene Reactivity with Cyclic Secondary Amines in Water and Acetonitrile: Quantification, Correlation, and Prediction. [PDF]

J Phys Chem A
Hamdi R, Ghabi A, Bouazizi S, Anouar L, Longevial JF, Sindt M, Ayachi S, Boubaker T.   +7 more
europepmc   +1 more source

The application of the Hammett equation to the solvolysis of benzyl tosylates

, 2018
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The basicity of phosphines and the hammett equation

Bulletin of the Academy of Sciences of the USSR Division of Chemical Science, 1962
1. We have shown the applicability of the Hammett equation to the basicity constants of phosphines. 2. We have calculated the values for the constant a for p-C8H17, cyclo-C6H11, and CH2CH2CN substituents on phosphorus.
M. I. Kabachnik, G. A. Balueva
exaly   +2 more sources

A Reëxamination of the Hammett Equation.

Chemical Reviews, 1953
exaly   +2 more sources

Some Extensions of Hammett's Equation

Science, 1953
exaly   +3 more sources

Hammett Equation and Generalized Pauling's Electronegativity Equation

Journal of Chemical Information and Computer Sciences, 2004
Substituent interaction energy (SIE) was defined as the energy change of the isodesmic reaction X-spacer-Y + H-spacer-H --> X-spacer-H + H-spacer-Y. It was found that this SIE followed a simple equation, SIE(X,Y) = -ksigma(X)sigma(Y), where k was a constant dependent on the system and sigma was a certain scale of electronic substituent constant. It was
Lei Liu 0002, Yao Fu, Rui Liu, Rui-Qiong Li, Qing-Xiang Guo   +4 more
openaire   +2 more sources

Application of the Hammett Equation to Fused Ring Systems

Journal of the American Chemical Society, 1954
H H Jaffé
exaly   +2 more sources

The application of the hammett equation to the theory of tautomeric equilibrium

Tetrahedron, 1960
M I Kabachnik
exaly   +2 more sources

Application of Hammett equation to arylazopyrazoles

Proceedings of the Indian Academy of Sciences - Section A, 1976
AE#= Pn,Fax where ux is substituent constant. In figure 1 is shown the dependence of the half wave potential of 3, 5-dimethyl-4-substituted arylazopyrazoles with Hammett constant at pH 4.0. Ortho substituted methoxy and ethoxy groups show deviation due to the steric hindrance and field effects.
Wahid U. Malik, R. N. Goyal
openaire   +1 more source