Quarterly Journal of the Chemical Society of London, Volume 1 |
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Page 144
... electron pairs . The non - bonded electron pairs , until now considered to be directed ligands with stereo- chemical character of their own , must be exhibiting non- directional behaviour , i.e. , they create a quasispherical potential ...
... electron pairs . The non - bonded electron pairs , until now considered to be directed ligands with stereo- chemical character of their own , must be exhibiting non- directional behaviour , i.e. , they create a quasispherical potential ...
Page 399
... electron - attracting or electron - releasing substituents are present are considered . With an electron - withdrawing group X as an example , resonance form ( I ) can be drawn for para - substituents , showing that the substituent can ...
... electron - attracting or electron - releasing substituents are present are considered . With an electron - withdrawing group X as an example , resonance form ( I ) can be drawn for para - substituents , showing that the substituent can ...
Page 790
... electron on a heteroatom which is o - bonded to a carbon o - system is directly related to the net electron density at the heteroatom nucleus , since the binding energy of the electron which is being removed in the ionisation process ...
... electron on a heteroatom which is o - bonded to a carbon o - system is directly related to the net electron density at the heteroatom nucleus , since the binding energy of the electron which is being removed in the ionisation process ...
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