Quarterly Journal of the Chemical Society of London, Volume 1 |
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Page 1138
... methyl group and in most cases several of these were applied and always led to consistent conclusions . The criteria used were as follows : ( i ) The magnitude of the coupling constant Jad . Vicinal ring protons in all of these rings ...
... methyl group and in most cases several of these were applied and always led to consistent conclusions . The criteria used were as follows : ( i ) The magnitude of the coupling constant Jad . Vicinal ring protons in all of these rings ...
Page 1261
... methyl derivatives are discussed . TABLE Physical properties ( pK1 and spectra ) Charged species. acetyl nitrate in ... methyl derivatives . However , the application of this tech- nique in the pyridazine series 1,2,3,6 has been limited ...
... methyl derivatives are discussed . TABLE Physical properties ( pK1 and spectra ) Charged species. acetyl nitrate in ... methyl derivatives . However , the application of this tech- nique in the pyridazine series 1,2,3,6 has been limited ...
Page 1263
... methyl 10 derivative together with a little 1,4 - dihydro - 1 - methyl - 4 - oxopyridazine ( which had pre- viously been prepared by another route ) . Of the cationic spectra , analogous cations appear to be produced by 3 ...
... methyl 10 derivative together with a little 1,4 - dihydro - 1 - methyl - 4 - oxopyridazine ( which had pre- viously been prepared by another route ) . Of the cationic spectra , analogous cations appear to be produced by 3 ...
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