Quarterly Journal of the Chemical Society of London, Volume 6 |
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Results 1-3 of 84
Page 1162
... proton resonances are ignored . Integration supports the conclusions reached . The numbering of the protons under discussion is included in Scheme 1 . other C - 1 proton is confirmed by the accompanying change in spectrum in the F ( C ...
... proton resonances are ignored . Integration supports the conclusions reached . The numbering of the protons under discussion is included in Scheme 1 . other C - 1 proton is confirmed by the accompanying change in spectrum in the F ( C ...
Page 1450
... protons in the cis - derivative is toward higher magnetic In the trans - derivatives it is proton He which lies almost normal to the plane of the aromatic rings of the triphenylmethyl group and should move upfield . From these two ...
... protons in the cis - derivative is toward higher magnetic In the trans - derivatives it is proton He which lies almost normal to the plane of the aromatic rings of the triphenylmethyl group and should move upfield . From these two ...
Page 1569
... protons adjacent to an axial nitro - group are deshielded , as shown for cis - 4 - t - butylnitrocyclohexane.9 ( iii ) A small coupling , 1.5 Hz , is found between HB and Hp : this value is typical for B - equatorial proton coup- lings ...
... protons adjacent to an axial nitro - group are deshielded , as shown for cis - 4 - t - butylnitrocyclohexane.9 ( iii ) A small coupling , 1.5 Hz , is found between HB and Hp : this value is typical for B - equatorial proton coup- lings ...
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