Quarterly Journal of the Chemical Society of London, Volume 1 |
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Page 526
... less reactive under these conditions , while at room temperature it apparently reacts in this way only when trifluoroacetic acid is present ; benzene would be expected to be still less reactive in the presence of similar concentrations ...
... less reactive under these conditions , while at room temperature it apparently reacts in this way only when trifluoroacetic acid is present ; benzene would be expected to be still less reactive in the presence of similar concentrations ...
Page 1140
... less - stable cis - form is kinetically less stable than all of the other cis - phosphites and inverts its configuration at phosphorus immediately after formation . In concluding our comments on the stereochemical assignments of those ...
... less - stable cis - form is kinetically less stable than all of the other cis - phosphites and inverts its configuration at phosphorus immediately after formation . In concluding our comments on the stereochemical assignments of those ...
Page 1340
... less negative . No second wave appeared up to 15 % ( v / v ) of water at [ ( VI ) ] = 4 × 10 ̃3м . 0.9 0.7 H II Ion ( III ) ( IV ) — EŢI ( V ) κα 0.275 0.88 0.565 0.915 0.575 0.88 0.585 0.95 0.635 1.0 0.745 1.0 ( v ) 05- O 1 ′′ wave ...
... less negative . No second wave appeared up to 15 % ( v / v ) of water at [ ( VI ) ] = 4 × 10 ̃3м . 0.9 0.7 H II Ion ( III ) ( IV ) — EŢI ( V ) κα 0.275 0.88 0.565 0.915 0.575 0.88 0.585 0.95 0.635 1.0 0.745 1.0 ( v ) 05- O 1 ′′ wave ...
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