Quarterly Journal of the Chemical Society of London, Volume 1 |
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Page 285
... greater of the two . However , no ( semi ) quantitative dissection , as to how much each effect contributes to the difference in Kr between the systems [ ( I ) , ( II ) ] and [ ( III ) , ( IV ) ] , is possible here ; for some related ...
... greater of the two . However , no ( semi ) quantitative dissection , as to how much each effect contributes to the difference in Kr between the systems [ ( I ) , ( II ) ] and [ ( III ) , ( IV ) ] , is possible here ; for some related ...
Page 501
... greater the carbanion character , the more positive the reaction constant . A decrease in the extent of CB - H bond breaking , or greater delocalisation of the developing negative charge into the forming CB - Ca double bond brought ...
... greater the carbanion character , the more positive the reaction constant . A decrease in the extent of CB - H bond breaking , or greater delocalisation of the developing negative charge into the forming CB - Ca double bond brought ...
Page 1159
... greater the smaller the solvation of the negatively- charged transition state , and , for a given amount of solvation , the smaller the contribution from Ar - H bond - making in the electrophilic attack by the solvent . Thus the fact ...
... greater the smaller the solvation of the negatively- charged transition state , and , for a given amount of solvation , the smaller the contribution from Ar - H bond - making in the electrophilic attack by the solvent . Thus the fact ...
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