Quarterly Journal of the Chemical Society of London, Volume 1 |
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Page 26
... isotope effect ka / ko significantly greater than unity in the conversion of diphenylmethylene into diphenylmethyl t ... isotope effects for the reaction of diarylmethylenes with water fit into a similar pattern . After statistical ...
... isotope effect ka / ko significantly greater than unity in the conversion of diphenylmethylene into diphenylmethyl t ... isotope effects for the reaction of diarylmethylenes with water fit into a similar pattern . After statistical ...
Page 29
... isotope effects obtained from reaction mixtures contain- ing only one alcohol , kMe / kMe 1.87 and kB / kt Bu 5-4 , allows the isotope effects for mixtures of alcohols to be predicted from equations ( 2 ) and ( 3 ) , namely , MeOH ...
... isotope effects obtained from reaction mixtures contain- ing only one alcohol , kMe / kMe 1.87 and kB / kt Bu 5-4 , allows the isotope effects for mixtures of alcohols to be predicted from equations ( 2 ) and ( 3 ) , namely , MeOH ...
Page 1128
... isotope effect on the reactivity is therefore quantitatively very nearly the same as that on the equilibrium for protonation of o - nitroaniline or of NN - dimethyl - p - nitroaniline . oxygen bases , but values lower than that for our ...
... isotope effect on the reactivity is therefore quantitatively very nearly the same as that on the equilibrium for protonation of o - nitroaniline or of NN - dimethyl - p - nitroaniline . oxygen bases , but values lower than that for our ...
Contents
Physical organic chemistry | 1 |
Contents | 6 |
Kinetics and mechanism of electrophilic substitution of heteroaromatic compounds Part XXIV Acid | 11 |
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A2 mechanism 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 conjugate conjugate acid correlation deuterium diastereomers dienamines dioxan 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 n.m.r. spectra 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 sodium solution solvent steric steric effects structure studied substituent substituted substrate t-butyl Table temperature Tetrahedron thiophen trans triethylborane values