Quarterly Journal of the Chemical Society of London, Volume 6 |
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Results 1-3 of 79
Page 1365
... positions of furan and thiophen should be 14,600 and 4060 , respectively . Since the 3 - position of thiophen is 43.5 times less reactive than the 2 - position , a more accurate value for the partial rate factor for the 3 - position is ...
... positions of furan and thiophen should be 14,600 and 4060 , respectively . Since the 3 - position of thiophen is 43.5 times less reactive than the 2 - position , a more accurate value for the partial rate factor for the 3 - position is ...
Page 1541
... positions indicated with standard deviations , and values of log krel , of the rates relative to 1 - tritionaphthalene from ref . 7 Position 2 12378 107 k 27.02 0.12 6.670.09 842.13.4 23.49 0.02 415-84.6 log krel -0.530 -1.137 +0.964 ...
... positions indicated with standard deviations , and values of log krel , of the rates relative to 1 - tritionaphthalene from ref . 7 Position 2 12378 107 k 27.02 0.12 6.670.09 842.13.4 23.49 0.02 415-84.6 log krel -0.530 -1.137 +0.964 ...
Page 1542
... position 8 , but whether this is due to the reactivity of this position or to the orientating of the 3 - bromo- substituent remains uncertain . Nitration in acetic acid gives 3 - nitrofluoranthene as the major product , together with ...
... position 8 , but whether this is due to the reactivity of this position or to the orientating of the 3 - bromo- substituent remains uncertain . Nitration in acetic acid gives 3 - nitrofluoranthene as the major product , together with ...
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