Quarterly Journal of the Chemical Society of London, Volume 1 |
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Page 13
... position to be normal and that at the B - position to be enhanced . The effects involved should be greater the greater the strain in the fused ring , and knowledge of the reactivities of the a- and ẞ - positions of 1,2 ...
... position to be normal and that at the B - position to be enhanced . The effects involved should be greater the greater the strain in the fused ring , and knowledge of the reactivities of the a- and ẞ - positions of 1,2 ...
Page 81
... position of its proton at approximately 8 3.5 units downfield from tetramethylsilane , in the gas phase , in tetra- methylsilane , or in the condensed phase . 22 , 23 As a model for the position of the proton in a tetra- cyanoethyl ...
... position of its proton at approximately 8 3.5 units downfield from tetramethylsilane , in the gas phase , in tetra- methylsilane , or in the condensed phase . 22 , 23 As a model for the position of the proton in a tetra- cyanoethyl ...
Page 101
... position но NH2 N is , therefore , more susceptible to nucleophilic attack than the 2 - position . This assumption cannot explain the results of the present work which show that the 4 - position is not always more susceptible to attack ...
... position но NH2 N is , therefore , more susceptible to nucleophilic attack than the 2 - position . This assumption cannot explain the results of the present work which show that the 4 - position is not always more susceptible to attack ...
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