Quarterly Journal of the Chemical Society of London, Volume 1 |
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Page 188
... absorption maximum value is recorded . • Absorption at 60 MHz overlaps the phenyl absorption . J was determined from spectra at 100 MHz . The reverse assignments for these vinylic protons may be correct . Electron Spin Resonance ...
... absorption maximum value is recorded . • Absorption at 60 MHz overlaps the phenyl absorption . J was determined from spectra at 100 MHz . The reverse assignments for these vinylic protons may be correct . Electron Spin Resonance ...
Page 659
... absorption in the carbonyl region of the i.r. spectrum was obtained by the isolation of the sodium salt of the diacylamine ( XIVe ) , which proved to be a bright yellow solid . It had a u.v. spectrum in aqueous solution identical with ...
... absorption in the carbonyl region of the i.r. spectrum was obtained by the isolation of the sodium salt of the diacylamine ( XIVe ) , which proved to be a bright yellow solid . It had a u.v. spectrum in aqueous solution identical with ...
Page 793
... Absorption spectra of 9 - phenylazojulolidine and nine para - substituted derivatives have been determined for solu- tions in ethanol . Pronounced bathochromic shifts of the first - frequency band are observed relative to the corre ...
... Absorption spectra of 9 - phenylazojulolidine and nine para - substituted derivatives have been determined for solu- tions in ethanol . Pronounced bathochromic shifts of the first - frequency band are observed relative to the corre ...
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