Quarterly Journal of the Chemical Society of London, Volume 1 |
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Page 32
... substrate species make detectable contributions to the observed exchange at various concentrations ( HR = resorcinol ) : HO + and H2R , H2R and R2- , HR and R2- , H2O and R2- , and probably H2O + and HR- . The corresponding second ...
... substrate species make detectable contributions to the observed exchange at various concentrations ( HR = resorcinol ) : HO + and H2R , H2R and R2- , HR and R2- , H2O and R2- , and probably H2O + and HR- . The corresponding second ...
Page 637
... substrate charge . In particular , a reduced substrate charge would be expected to result in an increase in both rate constant and activation entropy for the hydroperoxide ion reaction , and to produce comparatively small changes in the ...
... substrate charge . In particular , a reduced substrate charge would be expected to result in an increase in both rate constant and activation entropy for the hydroperoxide ion reaction , and to produce comparatively small changes in the ...
Page 639
... substrates . p- As predicted , activation entropies for reactions of the hydroperoxide ion ( AS ‡ , _ ) , though sensitive to substrate stereochemistry , are more strongly dependent on sub- strate charge . Thus values of ASp for the ...
... substrates . p- As predicted , activation entropies for reactions of the hydroperoxide ion ( AS ‡ , _ ) , though sensitive to substrate stereochemistry , are more strongly dependent on sub- strate charge . Thus values of ASp for the ...
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