Quarterly Journal of the Chemical Society of London, Volume 6 |
From inside the book
Results 1-3 of 78
Page 1513
... shifts and coupling constants for ring protons in ten monosubstituted naphthalenes have been obtained by analysis of their 100 MHz n.m.r. spectra . INTRODUCTION of a single substituent into naphthalene results in seven magnetically non ...
... shifts and coupling constants for ring protons in ten monosubstituted naphthalenes have been obtained by analysis of their 100 MHz n.m.r. spectra . INTRODUCTION of a single substituent into naphthalene results in seven magnetically non ...
Page 1575
... shifts in Table 4 in which TABLE 4 Calculated and observed shifts for perfluoro- , 1H , 4H- decafluoro- and 1H - undecafluoro - bicyclo [ 2,2 , 1 ] heptane , evaluated with μCH · 95.1 102.2 103.8 . = ± 0.5 D Calc . shift ( p.p.m. ) ...
... shifts in Table 4 in which TABLE 4 Calculated and observed shifts for perfluoro- , 1H , 4H- decafluoro- and 1H - undecafluoro - bicyclo [ 2,2 , 1 ] heptane , evaluated with μCH · 95.1 102.2 103.8 . = ± 0.5 D Calc . shift ( p.p.m. ) ...
Page 1583
... shifts of o - aromatic , o - methyl , o - methoxyl , and o - t - butyl protons have been found to be anomalous . These anomalous chemical shifts are explained mainly in terms of the large magnetic anisotropy of the nitroso - group ...
... shifts of o - aromatic , o - methyl , o - methoxyl , and o - t - butyl protons have been found to be anomalous . These anomalous chemical shifts are explained mainly in terms of the large magnetic anisotropy of the nitroso - group ...
Contents
ISCHA 013 | 1034 |
Physical organic chemistry | 1035 |
Studies of the reactions of the anhydrosulphites of ahydroxycarboxylic acids Part IV Steric | 1044 |
24 other sections not shown
Other editions - View all
Common terms and phrases
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