Quarterly Journal of the Chemical Society of London, Volume 1 |
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Page 65
... Values . - The pKa values were calculated from titration data obtained with a Pye pH meter with a standard calomel electrode and a wide - range glass electrode ( Pye 11126 ) standardised at pH 4 , 9.2 , and 12.2 with potassium acid ...
... Values . - The pKa values were calculated from titration data obtained with a Pye pH meter with a standard calomel electrode and a wide - range glass electrode ( Pye 11126 ) standardised at pH 4 , 9.2 , and 12.2 with potassium acid ...
Page 157
... values of -aj and bij leaving out the results for the methoxy- compounds . The values of —¡¡ and —bij , respectively , thus obtained were as follows : ( i ) for 1 - tritio - compounds : 6-8 and 7.0 for i = 2 ; 6.1 and 6-4 for i 4 ; 3.9 ...
... values of -aj and bij leaving out the results for the methoxy- compounds . The values of —¡¡ and —bij , respectively , thus obtained were as follows : ( i ) for 1 - tritio - compounds : 6-8 and 7.0 for i = 2 ; 6.1 and 6-4 for i 4 ; 3.9 ...
Page 199
... values for an o - halogeno- or o - methyl - benzoic acid from 3.80 to obtain ApK , and apply a correction for the contribution from the secondary steric effect ( see p . 198 and ref . 2 ) . The resulting ∞ , values are shown in Table 5 ...
... values for an o - halogeno- or o - methyl - benzoic acid from 3.80 to obtain ApK , and apply a correction for the contribution from the secondary steric effect ( see p . 198 and ref . 2 ) . The resulting ∞ , values are shown in Table 5 ...
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