Quarterly Journal of the Chemical Society of London, Volume 1 |
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Results 1-3 of 72
Page 854
... Analysis . — pH 0 · 5—2.0 . On completion of the kinetic runs the u.v. spectra exhibited a peak λmax . 280 nm in agreement with the reported 1 value for ( III ) , however , attempts at isolation of this compound proved unsuccessful ...
... Analysis . — pH 0 · 5—2.0 . On completion of the kinetic runs the u.v. spectra exhibited a peak λmax . 280 nm in agreement with the reported 1 value for ( III ) , however , attempts at isolation of this compound proved unsuccessful ...
Page 937
... analysis of buxenine - G dihydroiodide indicated that the alkaloid has structure ( II ) . Since the standard deviations of the molecular dimensions obtained in this photographic analysis are large , ca. 0.07 Å for distances and 4 ° for ...
... analysis of buxenine - G dihydroiodide indicated that the alkaloid has structure ( II ) . Since the standard deviations of the molecular dimensions obtained in this photographic analysis are large , ca. 0.07 Å for distances and 4 ° for ...
Page 1064
... analysis of saturated heterocycles . Part XXXIII . 1 - t - Butylpiperidine - 4 - spiro - 4'- and -5 ′ - ( 2 ′ , 2 ′ - dimethyloxazolidine ) and a discussion of steric compression effects on chemical shifts By RICHARD A. Y. JONES , A. R. ...
... analysis of saturated heterocycles . Part XXXIII . 1 - t - Butylpiperidine - 4 - spiro - 4'- and -5 ′ - ( 2 ′ , 2 ′ - dimethyloxazolidine ) and a discussion of steric compression effects on chemical shifts By RICHARD A. Y. JONES , A. R. ...
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