Quarterly Journal of the Chemical Society of London, Volume 1 |
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Page 831
... catalysis . This positive deviation from the behaviour of alkyl carboxylates is similar to , but larger than , that observed for trifluoroethyl acetate . There is apparently a discontinuity of behaviour between esters of alcohols in the ...
... catalysis . This positive deviation from the behaviour of alkyl carboxylates is similar to , but larger than , that observed for trifluoroethyl acetate . There is apparently a discontinuity of behaviour between esters of alcohols in the ...
Page 1095
... catalysis by the ionised carboxy - group , but catalysis is some 105 times less efficient , and involves intramolecular general base catalysis.8 The mechanism we propose for the hydrolysis of the dialkyl 2 - carboxy- -OR Ο P ( OR ) 2 ...
... catalysis by the ionised carboxy - group , but catalysis is some 105 times less efficient , and involves intramolecular general base catalysis.8 The mechanism we propose for the hydrolysis of the dialkyl 2 - carboxy- -OR Ο P ( OR ) 2 ...
Page 1096
... catalysis , by the phenolate oxygen atom . The rate of the overall reaction is thus controlled by the ( highly ... catalysis is expected to be ca. 100 times slower for the hydrolysis of a dialkyl 2 - carboxyphenyl phosphate anion ( 9 ) ...
... catalysis , by the phenolate oxygen atom . The rate of the overall reaction is thus controlled by the ( highly ... catalysis is expected to be ca. 100 times slower for the hydrolysis of a dialkyl 2 - carboxyphenyl phosphate anion ( 9 ) ...
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