Quarterly Journal of the Chemical Society of London, Volume 1 |
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Page 73
... present in the three - membered ring , ( ii ) the ' pull ' effected by protonation of the ring oxygen , ( iii ) the push ' of a nucleophilic displacing agent , and ( iv ) the generation of the partial carbonium ion character at the site ...
... present in the three - membered ring , ( ii ) the ' pull ' effected by protonation of the ring oxygen , ( iii ) the push ' of a nucleophilic displacing agent , and ( iv ) the generation of the partial carbonium ion character at the site ...
Page 106
... present work . The role of steric factors such as in the Newman Rule † Present address : Department of Chemistry , Weizmann Institute of Science , Rehovot , Israel . 1 G. E. Pollock and V. I. Oyama , J. Gas Chromatog . , 1966 , 4 , 126 ...
... present work . The role of steric factors such as in the Newman Rule † Present address : Department of Chemistry , Weizmann Institute of Science , Rehovot , Israel . 1 G. E. Pollock and V. I. Oyama , J. Gas Chromatog . , 1966 , 4 , 126 ...
Page 515
... present investigation is to examine . further the stoicheiometry of the association complex formed between 5a ... present at equilibrium will be K2 [ S ] [ B ] whilst C , the total concentration of steroid C = [ S ] + [ SB ] = [ S ] + K2 ...
... present investigation is to examine . further the stoicheiometry of the association complex formed between 5a ... present at equilibrium will be K2 [ S ] [ B ] whilst C , the total concentration of steroid C = [ S ] + [ SB ] = [ S ] + K2 ...
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