Quarterly Journal of the Chemical Society of London, Volume 1 |
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Page 495
... proton ( a - proton ) bonded to the same carbon atom as the iso- cyanato - group , which has a lower diamagnetic shielding than the other protons . The cis- and trans - isomers are readily characterised from the n.m.r. signal of the x - ...
... proton ( a - proton ) bonded to the same carbon atom as the iso- cyanato - group , which has a lower diamagnetic shielding than the other protons . The cis- and trans - isomers are readily characterised from the n.m.r. signal of the x - ...
Page 496
... proton multiplet . These widths were measured between the outermost lines of the multiplet ( Figure 2 ) . In ( II ) the a - proton signal is largely unresolved but the outermost lines are A C value of -AG NCO obtained in this way 1 is 0 ...
... proton multiplet . These widths were measured between the outermost lines of the multiplet ( Figure 2 ) . In ( II ) the a - proton signal is largely unresolved but the outermost lines are A C value of -AG NCO obtained in this way 1 is 0 ...
Page 524
... proton to the vicinal 2 - protons is also obtained only as an average of two unknown coupling - constants , those for the 3 - proton coupled to the 2 - axial proton and also to the 2 - equatorial proton . 10c / sec . FIGURE 3 The ...
... proton to the vicinal 2 - protons is also obtained only as an average of two unknown coupling - constants , those for the 3 - proton coupled to the 2 - axial proton and also to the 2 - equatorial proton . 10c / sec . FIGURE 3 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