Quarterly Journal of the Chemical Society of London, Volume 1 |
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Page 152
... substituent constants . An empirical analysis of the separate transmission of polar and resonance effects indicates that the theoretical charge distribution in the Wheland intermediate provides the best simple guide to the substituent ...
... substituent constants . An empirical analysis of the separate transmission of polar and resonance effects indicates that the theoretical charge distribution in the Wheland intermediate provides the best simple guide to the substituent ...
Page 434
... substituent in pyridines compared with that produced by the same substituent in benzenes . For the substituents F , Cl , and OH the values of the para - substituent shift is compared with 7 - electron densities , calculated by a SCF ...
... substituent in pyridines compared with that produced by the same substituent in benzenes . For the substituents F , Cl , and OH the values of the para - substituent shift is compared with 7 - electron densities , calculated by a SCF ...
Page 439
... substituent . In certain cases a substituent effect on the energy of activation of the transition state is also invoked . The variation in parent / daughter ratios at different energies is explained in terms of relative A.P.'s and ...
... substituent . In certain cases a substituent effect on the energy of activation of the transition state is also invoked . The variation in parent / daughter ratios at different energies is explained in terms of relative A.P.'s and ...
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