Quarterly Journal of the Chemical Society of London, Volume 1 |
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Results 1-3 of 82
Page 108
... isomer with the larger dis- tance between the pentyl group , i.e. , the cis- ( e , e ) - isomer , is more volatile ( with smaller retention time ) than the trans- ( e , a ) -isomer . On the polar stationary phase neopentyl glycol ...
... isomer with the larger dis- tance between the pentyl group , i.e. , the cis- ( e , e ) - isomer , is more volatile ( with smaller retention time ) than the trans- ( e , a ) -isomer . On the polar stationary phase neopentyl glycol ...
Page 207
... isomer , the minor component of the mixture , must therefore be ( Ib ) and this is con- firmed by the solvent shift data summarised in Table 2 . Treatment of the single aß - unsaturated ketone stereo- isomer ( la ) or the mixture of By ...
... isomer , the minor component of the mixture , must therefore be ( Ib ) and this is con- firmed by the solvent shift data summarised in Table 2 . Treatment of the single aß - unsaturated ketone stereo- isomer ( la ) or the mixture of By ...
Page 232
... isomer was carried out by use of the model compound ' approach ; 8 addition of either o ( gem - CH2N + HMe2 ) to the HA resonance position of compound ( IV ) or o ( trans- PhCH2 ) to the HR shift of compound ( VI ) converted ' the ...
... isomer was carried out by use of the model compound ' approach ; 8 addition of either o ( gem - CH2N + HMe2 ) to the HA resonance position of compound ( IV ) or o ( trans- PhCH2 ) to the HR shift of compound ( VI ) converted ' the ...
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