Quarterly Journal of the Chemical Society of London, Volume 1 |
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Page 379
... obtained ( Ib ) : ( Ic ) 1:13 had m.p. 120-123 ° ( decomp . ) . Satisfactory ele- mental analyses of the new mixtures were obtained in each case . The ratio of the two isomers was determined by a kinetic method ( see below ) . This ...
... obtained ( Ib ) : ( Ic ) 1:13 had m.p. 120-123 ° ( decomp . ) . Satisfactory ele- mental analyses of the new mixtures were obtained in each case . The ratio of the two isomers was determined by a kinetic method ( see below ) . This ...
Page 382
... obtained . Although a careful study was not undertaken , the equilibrium ratio was found close to 1 : 1. In fact ( IIIa ) , after standing in acidic methanol or acetic acid at room temperature , showed two equivalent 1H n.m.r. signals ...
... obtained . Although a careful study was not undertaken , the equilibrium ratio was found close to 1 : 1. In fact ( IIIa ) , after standing in acidic methanol or acetic acid at room temperature , showed two equivalent 1H n.m.r. signals ...
Page 1284
... obtained have not varied in the expected manner with donor , i.e. have not shown an increase with decreasing ionisation potential of the donor.14 It has been recog- nised by several groups of workers that although from experimental data ...
... obtained have not varied in the expected manner with donor , i.e. have not shown an increase with decreasing ionisation potential of the donor.14 It has been recog- nised by several groups of workers that although from experimental data ...
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