Quarterly Journal of the Chemical Society of London, Volume 1 |
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Page 209
... equation : En = = RT E ° + -In [ H + ] · - RT In 2F [ H + ] + K。 2F Kr1Kr2 + Kr2 [ H + ] + [ H + ] 2 ( 6 ) * where the K's are acid dissociation constants defined as : En versus pH curve , for this system is given by the equation 1 En ...
... equation : En = = RT E ° + -In [ H + ] · - RT In 2F [ H + ] + K。 2F Kr1Kr2 + Kr2 [ H + ] + [ H + ] 2 ( 6 ) * where the K's are acid dissociation constants defined as : En versus pH curve , for this system is given by the equation 1 En ...
Page 248
... Equation ( 5 ) has been assumed 5 to be equally valid for both polar and non - polar bonds . Equation ( 2 ) has been used to calculate the axial- equatorial shift in perfluorocyclohexane , to give a value 5,8 of 10-87 p.p.m. compared ...
... Equation ( 5 ) has been assumed 5 to be equally valid for both polar and non - polar bonds . Equation ( 2 ) has been used to calculate the axial- equatorial shift in perfluorocyclohexane , to give a value 5,8 of 10-87 p.p.m. compared ...
Page 250
... equation ( 2 ) to predict the observed shifts on a consistent basis . ( iii ) Other workers 2-5,10 have used equation ( 5 ) successfully to evaluate ( E2 ) contributions of carbon- halogen bonds to 19F shifts . However , of the ...
... equation ( 2 ) to predict the observed shifts on a consistent basis . ( iii ) Other workers 2-5,10 have used equation ( 5 ) successfully to evaluate ( E2 ) contributions of carbon- halogen bonds to 19F shifts . However , of the ...
Contents
Physical organic chemistry | 1 |
Aromatic reactivity Part XXXVIII Protodesilylation of 12dihydrobenzocyclobutene indan and tetralin | 12 |
Aromatic reactivity Part XL Additional substituent effects in protodetrimethylsilylation | 21 |
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absorption acetic acid Acta alcohol alkyl Amer amine angles anion aqueous aromatic ation benzene bond bromide calculated carbon tetrachloride CH₂ Chem chemical shifts Chemistry Chim chloride CO₂H coefficients compounds concentration conformation corresponding coupling constants decomposition derived di-imine dioxan dipole effect electron equation esters ethanol ether experimental Figure first-order fluorine formation formed hydrogen hydrolysis hydroxide hypochlorous acid interaction intermediate iodide irradiation isomer isomerisation isopropyl k₁ ketone kinetic measured mechanism mercuric mesitylene method methyl mixture mole mole-¹ molecular molecule n.m.r. spectra nitration nitrogen observed obtained olefin oxidation oxygen peaks peroxide phenyl Phys plot polymer proton radical rate constants ratio reactants reaction reactivity reduced relative resonance ring salts showed shown similar singlet sodium solution solvent solvolysis spectrum steric steric effect structure substituent sulphoxide t-butyl Table temperature titanium(III triethyl phosphite values