Quarterly Journal of the Chemical Society of London, Volume 1 |
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Page 148
... carbonyl all lie within the range 1732 ± 1 cm - 1 , with the exception of the 3 ' - nitro - ester , whereas the carbonyl - stretching frequencies of the keto - carbonyl vary considerably and can be satisfactorily correlated by the ...
... carbonyl all lie within the range 1732 ± 1 cm - 1 , with the exception of the 3 ' - nitro - ester , whereas the carbonyl - stretching frequencies of the keto - carbonyl vary considerably and can be satisfactorily correlated by the ...
Page 159
... Carbonyl Stretching Frequencies . — The carbonyl stretch- ing frequencies of the methyl cis- and trans - benzoyl- acrylates have been measured in carbon tetrachloride . Two carbonyl absorptions were observed for each ester ; absorptions ...
... Carbonyl Stretching Frequencies . — The carbonyl stretch- ing frequencies of the methyl cis- and trans - benzoyl- acrylates have been measured in carbon tetrachloride . Two carbonyl absorptions were observed for each ester ; absorptions ...
Page 565
... carbonyl stretching fre- quencies reported for some a- ( alkylthio ) -ketones 1 and -esters 2 has been attributed1 to a change in the force constant of the carbonyl group due to the influence of the sulphur atom . Evidence for the ...
... carbonyl stretching fre- quencies reported for some a- ( alkylthio ) -ketones 1 and -esters 2 has been attributed1 to a change in the force constant of the carbonyl group due to the influence of the sulphur atom . Evidence for 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