Quarterly Journal of the Chemical Society of London, Volume 1 |
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Page 67
... ( normal isomer ) , prepared unambiguously , were com- pared with those of each isomer obtained by preparative g.l.c. It was found that the major product of the reaction was the normal isomer . Analogous analyses were carried out for the ...
... ( normal isomer ) , prepared unambiguously , were com- pared with those of each isomer obtained by preparative g.l.c. It was found that the major product of the reaction was the normal isomer . Analogous analyses were carried out for the ...
Page 68
... Normal reaction MeOH ( 0.857 ) H 0.760 13.4 12.8 HO 0.296 13.8 13.2 Ph 0.225 14.1 13.5 Pho 0.0805 16.3 15.7 -17.0 -17.3 -17.1 -11.9 EtOH ( 0.950 ) Ph 0.071 16.0 15.4 -13.0 Pr1OH ( 1.030 ) Ph 0.0287 19.1 18.5 Abnormal reaction MeOH ...
... Normal reaction MeOH ( 0.857 ) H 0.760 13.4 12.8 HO 0.296 13.8 13.2 Ph 0.225 14.1 13.5 Pho 0.0805 16.3 15.7 -17.0 -17.3 -17.1 -11.9 EtOH ( 0.950 ) Ph 0.071 16.0 15.4 -13.0 Pr1OH ( 1.030 ) Ph 0.0287 19.1 18.5 Abnormal reaction MeOH ...
Page 70
... normal reaction ( correlation coefficient = 0.985 ) . The results for the normal reaction are correlated better than those for the abnormal reaction ; this is not unexpected as steric hindrance will be of greater importance for attack ...
... normal reaction ( correlation coefficient = 0.985 ) . The results for the normal reaction are correlated better than those for the abnormal reaction ; this is not unexpected as steric hindrance will be of greater importance for attack ...
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