Quarterly Journal of the Chemical Society of London, Volume 1 |
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Page 115
... similar compounds of the ether and of the disiloxane series . The resolution factors of some diastereomers containing an asymmetric silicon atom are ca. 1.04 and complete separation is achieved on an efficient capillary column coated ...
... similar compounds of the ether and of the disiloxane series . The resolution factors of some diastereomers containing an asymmetric silicon atom are ca. 1.04 and complete separation is achieved on an efficient capillary column coated ...
Page 452
... similar to that of ( X ) , so that the difference is not due to ring strain . Here again there is no possibility of a lone - pair mechanism as the nitrogen atom is protonated . Again Jeis is almost Again Jeis is almost constant but ...
... similar to that of ( X ) , so that the difference is not due to ring strain . Here again there is no possibility of a lone - pair mechanism as the nitrogen atom is protonated . Again Jeis is almost Again Jeis is almost constant but ...
Page 689
... Similar front - side attack on the secondary carbonium ion de- rived from ( XXIII ) would lead to exo - bornyl products ; these would be minor in comparison with the products derived from ( XXIII ) but intrusion of back - side attack to ...
... Similar front - side attack on the secondary carbonium ion de- rived from ( XXIII ) would lead to exo - bornyl products ; these would be minor in comparison with the products derived from ( XXIII ) but intrusion of back - side attack to ...
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