Quarterly Journal of the Chemical Society of London, Volume 6 |
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Page 1066
... substituent and the ring nitrogen as conjugation effects between the substituent and ester will be accounted for in the substituent op value . The short series of 6 - substituted nicotinic acids studied by Imoto and his co - workers , 2 ...
... substituent and the ring nitrogen as conjugation effects between the substituent and ester will be accounted for in the substituent op value . The short series of 6 - substituted nicotinic acids studied by Imoto and his co - workers , 2 ...
Page 1067
... substituent and nitrogen as the substituent effects are normal in the series where X is para to the nitrogen and therefore able to conjugate in the normal way . which are known to correlate with this parameter , viz . where resonance ...
... substituent and nitrogen as the substituent effects are normal in the series where X is para to the nitrogen and therefore able to conjugate in the normal way . which are known to correlate with this parameter , viz . where resonance ...
Page 1254
... substituents , i.e. , the electron- releasing methyl substituent causes AS to be less negative than the purely additive predicted value while the electron - attracting chloro - substituent causes AS to be more negative . Several ...
... substituents , i.e. , the electron- releasing methyl substituent causes AS to be less negative than the purely additive predicted value while the electron - attracting chloro - substituent causes AS to be more negative . Several ...
Contents
ISCHA 013 | 1034 |
Physical organic chemistry | 1035 |
Studies of the reactions of the anhydrosulphites of ahydroxycarboxylic acids Part IV Steric | 1044 |
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2,4-dinitrophenyl absorption acetic acid aci-anion acid anhydrosulphite addition adducts alcohol Amer amine aqueous aromatic ation atom attack bands benzene benzyl bond buffer calculated carbon carbon tetrachloride carbonyl catalysis Chem chloride compounds concentration conformation corresponding decomposition derived dioxan dipole effect electron electrophilic equation ester ethanol ether ethylene experimental Figure first-order formation formed hydride hydrogen hydrolysis hydroxide hydroxyl interaction isomer k₁ k₂ kinetic leaving group measured mechanism methyl mixture molar mole mole-¹ molecular molecules nitrogen nitromethane NO₂ nucleophilic observed obtained oxidation oxyanions peroxide persulphate phenyl phenylacetic acid phosphate plot proton pyridine R. J. W. Le Fèvre R. O. C. Norman radical anion rate constants ratio reaction reactivity reduction ring rotation showed similar sodium solution solvent solvolysis spectra spectrum splitting constants steric structure studied substituent sulphate radical anion sulphur Table temperature thiophen titanium(III values yield ΣΔε/Σω