Quarterly Journal of the Chemical Society of London, Volume 1 |
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Page 152
... catalysis with rate - determining attack at the acyl or aroyl carbonyl - carbon [ transition state ( II ) , carbonyl - hydroxide anion bond highly formed ] ; ( c ) hydrolysis by intramolecular catalysis with rate - deter- mining attack ...
... catalysis with rate - determining attack at the acyl or aroyl carbonyl - carbon [ transition state ( II ) , carbonyl - hydroxide anion bond highly formed ] ; ( c ) hydrolysis by intramolecular catalysis with rate - deter- mining attack ...
Page 227
... catalysis concerning fluorine do not appear in the reac- for ortho- and para - nitrobenzenes . tions considered here ... catalysis . As a protic amine , piperidine may give rise to base catalysis when fluorine is the leaving group ...
... catalysis concerning fluorine do not appear in the reac- for ortho- and para - nitrobenzenes . tions considered here ... catalysis . As a protic amine , piperidine may give rise to base catalysis when fluorine is the leaving group ...
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 ...
Contents
Physical organic chemistry | 1 |
Kinetics and mechanism of electrophilic substitution of heteroaromatic compounds Part XXIV Acid | 11 |
Contents iii | 16 |
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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