Quarterly Journal of the Chemical Society of London, Volume 1 |
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Page 105
... acetic acid gives a purple product which has been identified as the dianisyloxidoammonium ion.17,20 We noticed similar highly coloured products in the attempted nitration of thiophen . These side reactions , 17 as well as the oxidation ...
... acetic acid gives a purple product which has been identified as the dianisyloxidoammonium ion.17,20 We noticed similar highly coloured products in the attempted nitration of thiophen . These side reactions , 17 as well as the oxidation ...
Page 524
... acetic acid . The results in Table 7 show that , as the ratio of total available acetic acid to trifluoroacetic acid is increased from about 0-3 : 1 to 1 · 6 : 1 , the ratio of the yield of dimethoxy- biphenyls to that of 4 ...
... acetic acid . The results in Table 7 show that , as the ratio of total available acetic acid to trifluoroacetic acid is increased from about 0-3 : 1 to 1 · 6 : 1 , the ratio of the yield of dimethoxy- biphenyls to that of 4 ...
Page 1127
... acetic acid or deuterioacetic acid containing 7.85 x 10 - M - HCIO , or DCIO . Open circle , H2O , indicator , o ... acetic acid , it seems to be a solvent giving a good Hammett acidity function , at least as far as our indicators ...
... acetic acid or deuterioacetic acid containing 7.85 x 10 - M - HCIO , or DCIO . Open circle , H2O , indicator , o ... acetic acid , it seems to be a solvent giving a good Hammett acidity function , at least as far as our indicators ...
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