Quarterly Journal of the Chemical Society of London, Volume 1 |
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Page 63
... positive charge on the carbon atom nearer to the sub- stituent in the transition state of the rate - limiting step as shown in structures ( a ) and ( b ) respectively . The high negative value of p is also consistent with the opening of ...
... positive charge on the carbon atom nearer to the sub- stituent in the transition state of the rate - limiting step as shown in structures ( a ) and ( b ) respectively . The high negative value of p is also consistent with the opening of ...
Page 85
... positive end of the molecular dipole . N.m.r. spectra indicate that the methylene protons experience an appreciable upfield shift in benzene ( the CH , singlet has 8 4.26 in CDCl , and 8 3.61 in CH ) . Other types of association are ...
... positive end of the molecular dipole . N.m.r. spectra indicate that the methylene protons experience an appreciable upfield shift in benzene ( the CH , singlet has 8 4.26 in CDCl , and 8 3.61 in CH ) . Other types of association are ...
Page 530
... positive - ion spectra . spectra ( Table 2 ) of the 1- and 2. DESPITE its possible applications 2 to structure determin- ation , negative - ion mass spectrometry 3-5 has been largely neglected in favour of the more informative positive ...
... positive - ion spectra . spectra ( Table 2 ) of the 1- and 2. DESPITE its possible applications 2 to structure determin- ation , negative - ion mass spectrometry 3-5 has been largely neglected in favour of the more informative positive ...
Contents
Physical organic chemistry | 1 |
Contents | 6 |
Kinetics and mechanism of electrophilic substitution of heteroaromatic compounds Part XXIV Acid | 11 |
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A2 mechanism acetic acid-catalysed addition alcohol alkaline hydrolysis Amer analysis anion aqueous aromatic benzene benzoate bond bromine cal mol-1 calculated carbon atom carbonium ion carbonyl catalysis Chem Chemistry chlorine compounds concentration conjugate conjugate acid correlation deuterium diastereomers dienamines dioxan electron pairs energy entropies of activation epoxide equation esters ether ethylene exchange experimental Figure formation glycol H₂O hydrogen hydroxide hypochlorous acid indicate intramolecular isomer isotope effects k₁ k₂ ketone kinetic MeOH methanol methanolysis methiodide method methyl mixture mmHg mol-¹ molecular molecule n-pentyl n.m.r. spectra nitration nucleophilic observed obtained olefin oxidation oxygen p-xylene parameters perchloric acid Phys polar positive proton R. J. W. Le Fèvre radical rate coefficients rate constants ratio reaction constant reactivity relative resorcinol ring sodium solution solvent steric steric effects structure studied substituent substituted substrate t-butyl Table temperature Tetrahedron thiophen trans triethylborane values