Quarterly Journal of the Chemical Society of London, Volume 1 |
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Page 108
... n - Pentyl 1.01 1.00 8.46 1.00 3 - Methylbutyl 0.62 1.00 5.37 1.00 1 - Ethylpropyl 0.64 1.062 5.49 0.68 5.92 Cyclopentyl 2.29 1.038 23.15 1.052 2.37 24.34 Neopentyl 0.42 1.049 3.57 0.44 3.75 R = n - Pentyl CH2 ( CHR CH2OAc ) 2 1.51 0.95 ...
... n - Pentyl 1.01 1.00 8.46 1.00 3 - Methylbutyl 0.62 1.00 5.37 1.00 1 - Ethylpropyl 0.64 1.062 5.49 0.68 5.92 Cyclopentyl 2.29 1.038 23.15 1.052 2.37 24.34 Neopentyl 0.42 1.049 3.57 0.44 3.75 R = n - Pentyl CH2 ( CHR CH2OAc ) 2 1.51 0.95 ...
Page 109
... pentyl substituents : 1 - ethylpropyl > neo- pentyl > cyclopentyl can be related to the decrease in effective size ... n - pentyl , and isopentyl isomers , whereas the meso - form has the longer retention time for the 1 ...
... pentyl substituents : 1 - ethylpropyl > neo- pentyl > cyclopentyl can be related to the decrease in effective size ... n - pentyl , and isopentyl isomers , whereas the meso - form has the longer retention time for the 1 ...
Page 110
... pentyl group was n - pentyl , had m.p. 103-108 and 39.5 40.5 ° C , respectively . For the cyclopentyl case , fraction A had m.p. 111.0-111 · 5 ° C . = = The diastereoisomeric mixtures ( R⚫CH · CH , OSO2 C ̧H , Me ) 2 were analysed ...
... pentyl group was n - pentyl , had m.p. 103-108 and 39.5 40.5 ° C , respectively . For the cyclopentyl case , fraction A had m.p. 111.0-111 · 5 ° C . = = The diastereoisomeric mixtures ( R⚫CH · CH , OSO2 C ̧H , Me ) 2 were analysed ...
Contents
Physical organic chemistry | 1 |
Kinetics and mechanism of electrophilic substitution of heteroaromatic compounds Part XXIV Acid | 11 |
Contents iii | 16 |
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A2 mechanism absorption 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 correlation deuterium diastereomers dienamines dioxan dioxan-water 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 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 silver perchlorate sodium solution solvent steric steric effects structure studied substituent substituted substrate sulphuric t-butyl Table temperature Tetrahedron thiophen trans triethylborane values