Quarterly Journal of the Chemical Society of London, Volume 1 |
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Page 27
... carbonium ion , and ylid mechanisms in turn , showing to what extent each will account for the observed facts . The ... carbonium ion mechanism cannot be dismissed in the same way as the direct insertion mechanism . As previously ...
... carbonium ion , and ylid mechanisms in turn , showing to what extent each will account for the observed facts . The ... carbonium ion mechanism cannot be dismissed in the same way as the direct insertion mechanism . As previously ...
Page 101
... carbonium ions in comparable positions with those postulated here . Inductive de- shielding by the positive charge ... ion ( XIII ) . The migration of the positive charge may be envisaged as occurring by hyperconjugation or by -complex or non ...
... carbonium ions in comparable positions with those postulated here . Inductive de- shielding by the positive charge ... ion ( XIII ) . The migration of the positive charge may be envisaged as occurring by hyperconjugation or by -complex or non ...
Page 1341
... ion ( II ) in aqueous sulphuric acid there are waves whose explanation requires an extension of the scheme . They can be explained by the formation [ reaction ( 7 ) ] and reduction [ reaction ( 8 ) ] of the hydrated carbonium ion : R2C ...
... ion ( II ) in aqueous sulphuric acid there are waves whose explanation requires an extension of the scheme . They can be explained by the formation [ reaction ( 7 ) ] and reduction [ reaction ( 8 ) ] of the hydrated carbonium ion : R2C ...
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