نتایج جستجو برای: hammett plot
تعداد نتایج: 31247 فیلتر نتایج به سال:
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 ...
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...
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...
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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