Quarterly Journal of the Chemical Society of London, Volume 1 |
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Page 843
... structure of the title compound , the pentamer ' fraction of the acid - catalysed polymerisation of thiophen , has been determined by direct methods from three - dimensional photographic data . The crystals are monoclinic , space group ...
... structure of the title compound , the pentamer ' fraction of the acid - catalysed polymerisation of thiophen , has been determined by direct methods from three - dimensional photographic data . The crystals are monoclinic , space group ...
Page 942
... structure of p - bromophenyl ( triphenyl ) - phosphorane ( I ) was determined in order to provide Ph2P = N - CH2Br ( I ) NPPh3 NO 2 NPPh3 ON Ph3PN NO 2 N = 0 ( II ) NPPh3 N ( III ) N definite structural information . Meanwhile Adamson ...
... structure of p - bromophenyl ( triphenyl ) - phosphorane ( I ) was determined in order to provide Ph2P = N - CH2Br ( I ) NPPh3 NO 2 NPPh3 ON Ph3PN NO 2 N = 0 ( II ) NPPh3 N ( III ) N definite structural information . Meanwhile Adamson ...
Page 1070
... structure of tazettine methiodide , С18H21NO CH2l ( + CH2OH ) , has been determined by a three- dimensional X - ray analysis . The crystals are monoclinic , a = 13.162 , b = 10.387 , c = 7 · 759 Å , ß = 95 ° 22 ′ , Z = 2 , and space ...
... structure of tazettine methiodide , С18H21NO CH2l ( + CH2OH ) , has been determined by a three- dimensional X - ray analysis . The crystals are monoclinic , a = 13.162 , b = 10.387 , c = 7 · 759 Å , ß = 95 ° 22 ′ , Z = 2 , and space ...
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