Results 131 to 140 of about 576,075 (159)

Hammett constants from density functional calculations: charge transfer and perturbations

Theoretical Chemistry accounts, 2022
R. Miranda-Quintana, Nidhi Deswal, R. Roy   +2 more
semanticscholar   +1 more source

Hammett Substituent Constants

Steric and Stereoelectronic Effects in Organic Chemistry, 2021
V. Yadav
semanticscholar   +1 more source

Nitrogen-15 magnetic resonance spectroscopy. A correlation of the 15N-H coupling constants in aniline derivatives with hammett sigma constants.

Journal of the American Chemical Society, 1969
T. Axenrod, P. S. Pregosin, M. J. Wieder, G. Milne   +3 more
semanticscholar   +1 more source

A Web Tool for Calculating Substituent Descriptors Compatible With Hammett Sigma Constants

Chemistry Methods, 2022
Peter Ertl
exaly  

DETERMINATION OF THE HAMMETT SIGMA-CONSTANTS FOR THE PICRYL GROUP,

, 1965
Howard E. Ruskie, L. A. Kaplan
semanticscholar   +1 more source

A G4 Approach to Computing the Hammett Substituent Constants σp, σm, σ−, σ+, and σ+m

Journal of Physical Organic Chemistry, 2023
Paul Rablen
exaly  

ChemInform Abstract: PULSED FOURIER TRANSFORM NMR OF SUBSTITUTED ARYLTRIMETHYLTIN DERIVATIVES PART 3, PROTON DATA AT 100 MHZ AND THE DERIVED HAMMETT SIGMA‐CONSTANT OF THE TRIMETHYLTIN GROUP

Chemischer Informationsdienst, 1975
C. D. JUN. SCHAEFFER, J. J. ZUCKERMAN
openaire   +1 more source

Thermal isomerizations of ketenimines to nitriles: evaluations of sigma-Dot (sigma(*)) constants for spin-delocalizations

Journal of Organic Chemistry, 2000
Sung Soo Kim, Yu Zhu, Kwang Ho Lee
semanticscholar   +1 more source

Comparison of quantum chemical parameters and Hammett constants in correlating pK(a) values of substituted anilines.

Journal of Organic Chemistry, 2001
K. Gross, P. Seybold, Z. Peralta-Inga, J. Murray, Peter Politzer   +4 more
semanticscholar   +1 more source

Correlation between Hammett substituent constants and directly calculated pi-conjugation strength.

Journal of Organic Chemistry, 2006
I. Fernández, G. Frenking
semanticscholar   +1 more source