Quarterly Journal of the Chemical Society of London, Volume 1 |
From inside the book
Results 1-3 of 77
Page 70
... steric hindrance will be of greater importance for attack at the abnormal position than for attack at the normal ... Effects . - The effect of substituents can be analysed in terms of Taft's polar and steric constants , * and Es ...
... steric hindrance will be of greater importance for attack at the abnormal position than for attack at the normal ... Effects . - The effect of substituents can be analysed in terms of Taft's polar and steric constants , * and Es ...
Page 160
... steric requirements at the keto - carbonyl group in hydrolysis by the latter mechanism , as found pre- viously.1 The rate coefficients for the parent methyl trans- 3 - benzoyl acrylates demonstrate the effects of the 2 - methyl ...
... steric requirements at the keto - carbonyl group in hydrolysis by the latter mechanism , as found pre- viously.1 The rate coefficients for the parent methyl trans- 3 - benzoyl acrylates demonstrate the effects of the 2 - methyl ...
Page 175
... effect of electron- releasing groups in the alkene . Steric effects are of relatively greater importance with the sulphenyl halide than with the halogens and this also contributes to the lower selectivity . Skeletal Rearrangements of ...
... effect of electron- releasing groups in the alkene . Steric effects are of relatively greater importance with the sulphenyl halide than with the halogens and this also contributes to the lower selectivity . Skeletal Rearrangements of ...
Contents
Physical organic chemistry | 1 |
Kinetics and mechanism of electrophilic substitution of heteroaromatic compounds Part XXIV Acid | 11 |
Contents iii | 16 |
151 other sections not shown
Other editions - View all
Common terms and phrases
A2 mechanism absorption acetic acid-catalysed addition alcohol alkaline hydrolysis Amer analysis anion aqueous aromatic benzene benzoate bond bromine cal mol-1 calculated carbon atom carbonium ion carbonyl catalysis Chem Chemistry chlorine compounds concentration correlation deuterium diastereomers dienamines dioxan dioxan-water electron pairs energy entropies of activation epoxide equation esters ether ethylene exchange experimental Figure formation glycol H₂O hydrogen hydroxide hypochlorous acid indicate intramolecular isomer isotope effects k₁ k₂ ketone kinetic MeOH methanol methanolysis methiodide method methyl mixture mmHg mol-¹ molecular molecule n-pentyl nitration nucleophilic observed obtained olefin oxidation oxygen p-xylene parameters perchloric acid Phys polar positive proton R. J. W. Le Fèvre radical rate coefficients rate constants ratio reaction constant reactivity relative resorcinol ring silver perchlorate sodium solution solvent steric steric effects structure studied substituent substituted substrate sulphuric t-butyl Table temperature Tetrahedron thiophen trans triethylborane values