Quarterly Journal of the Chemical Society of London, Volume 6 |
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Page 1450
... ratio is observed for cholest - 6 - enyl 33 - tosylate in which the introduction of a double bond into the B ring is considered to produce considerable flattening of the A ring resulting in easier solvent access from the 3a - side in ...
... ratio is observed for cholest - 6 - enyl 33 - tosylate in which the introduction of a double bond into the B ring is considered to produce considerable flattening of the A ring resulting in easier solvent access from the 3a - side in ...
Page 1627
... ratio increases . = Disproportionation - Combination Ratio . - Approximate values of the ratio of the rate of disproportionation to that of combination , kdisp .: kcomb . kg : kr , given by the ratio of ( II ) + ( III ) to dimeric ...
... ratio increases . = Disproportionation - Combination Ratio . - Approximate values of the ratio of the rate of disproportionation to that of combination , kdisp .: kcomb . kg : kr , given by the ratio of ( II ) + ( III ) to dimeric ...
Page 1662
... ratio by the nitro - group obtained here for reactions by a tetra - alkylammonium t - butoxide . Rigorous kinetic data for displacement of fluorine show ( Table 1 ) that the ortho para ratio is higher than unity . In the case of the ...
... ratio by the nitro - group obtained here for reactions by a tetra - alkylammonium t - butoxide . Rigorous kinetic data for displacement of fluorine show ( Table 1 ) that the ortho para ratio is higher than unity . In the case of the ...
Contents
ISOWA 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 adducts alcohol aluminium hydride Amer amines aqueous aromatic atom attack bands benzene benzophenones benzyl bond calculated carbon tetrachloride carbonyl catalysis Chem chloride compounds concentration conformation corresponding decomposition dioxan dipole effect electron electrophilic equation ester ethanol ether ethylene experimental Figure first-order formation hydrogen hydrolysis hydroxide hydroxyl interaction ionic strength isomer k₁ k₂ ketone kinetic leaving group measured mechanism methyl methyl phosphate mixture molar Kerr constants mole mole-¹ molecular molecules nitrogen nitromethane NO₂ nucleophilic observed obtained oxidation oxyanions peroxide persulphate phenyl phenylacetic acid phosphate plots polarisability proton pyridine R. J. W. Le Fèvre R. O. C. Norman radical anion rate constants ratio reaction reactivity rearrangement reduction ring rotation similar sodium solution solvent solvolysis spectra spectrum splitting constants steric structure substituent sulphate radical anion Table temperature tetraphenylallene thiophen titanium(III values Δε ΣΔε/Σω