نتایج جستجو برای: hammett plot

تعداد نتایج: 31247  

Journal: :Dalton transactions 2013
Travis M Figg Thomas R Cundari

A computational Hammett analysis of oxy-insertion into platinum-aryl bonds is performed. Modeled transformations involve the two-step conversion of [((X)bpy)Pt(R)(OY)](+) (R = p- or m-X-C(6)H(4); Y = 4- or 3-X-pyridine; (X)bpy = 4,4'- or 5,5'-X-bpy; X = NO(2), H, OMe, NMe(2)) proceeding through a Pt-oxo intermediate to form aryloxide [((X)bpy)Pt(OR)(Y)](+), which contrasts a one-step non-redox ...

Journal: :Acta Chemica Scandinavica 1962

Journal: :Journal of Synthetic Organic Chemistry, Japan 1965

Journal: :International Letters of Chemistry, Physics and Astronomy 2014

Journal: :Journal of Chemical Education 1940

Journal: :Journal of Chemical Education 1971

2013
Stephen T Hammett Jonas Larsson

1 in multiple regions of human visual cortex revealed by multivariate pattern 2 classification analysis 3 4 5 Stephen T Hammett 6 Andrew T Smith 7 Matthew B Wall 8 Jonas Larsson 9 10 11 Dept of Psychology, 12 Royal Holloway University of London, 13 Surrey TW20 0EX UK. 14 15 16 Running Head: Motion and luminance encoding in human visual cortex 17 18 19 20 21 22 Corresponding author: Steve Hammet...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 1983
L T Burka T M Plucinski T L Macdonald

The monohydroxylation of halobenzenes by phenobarbital-induced rat liver microsomes was studied. The p-halophenol was found to be the major metabolite from all four halobenzenes; o-halophenol formation decreased as the halogen atom size increased. Vmax for total hydroxylation (ortho and para products) correlated well with the sigma + Hammett constant with a negative rho value. This implies a po...

Journal: :journal of physical & theoretical chemistry 2009
s. r. emamian m. r. zardoost k. zare e. zahedi h. aghaie

in order to find the susceptibility of the claisen rearrangement and next proton shift reaction of ally) aryl etherto the substiment effects in pan position, the kinetic and the:rmodynamie parameters are calculated at the33 ltp level using 6-3110. b asis set. the calculated activation energies for the rearrangements and protonshift reactions are around 3133 kcaumol and 52.16 kcal/mol, nap.. liv...

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