Quarterly Journal of the Chemical Society of London, Volume 1 |
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Page 500
... difference densi- ties in the planes of the benzene rings of PMP , HMP , and TTT . ( In the presentation of the difference maps of PMP , HMP , and TTT the electron densities were contoured at intervals of 0.02 e / Å3 . The contour inter ...
... difference densi- ties in the planes of the benzene rings of PMP , HMP , and TTT . ( In the presentation of the difference maps of PMP , HMP , and TTT the electron densities were contoured at intervals of 0.02 e / Å3 . The contour inter ...
Page 501
... difference density sections ( a ) containing the bond and perpendicular to the benzene ring , ( b ) per- pendicular to the bonds at their centres FIGURE 5 Averaged difference density sections perpendicular to the bonds at their centres ...
... difference density sections ( a ) containing the bond and perpendicular to the benzene ring , ( b ) per- pendicular to the bonds at their centres FIGURE 5 Averaged difference density sections perpendicular to the bonds at their centres ...
Page 954
... differences between the heats of reaction of these two molecules must be quite small so that this large difference in energy of activation represents either the difference between the allowed concerted processes or the difference ...
... differences between the heats of reaction of these two molecules must be quite small so that this large difference in energy of activation represents either the difference between the allowed concerted processes or the difference ...
Contents
Physical organic chemistry | 1 |
Topochemistry Part XXX Crystal and molecular structures of chalcone | 11 |
Conformational studies Part I Crystal and molecular structures of cis12dipchlorobenzoyl and cis | 17 |
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A. R. Katritzky alcohol alkyl Amer anion aqueous aromatic ation axial benzene bond bromination calculated carbanion carbon acids carbon atom carbon tetrachloride carbonyl catalyst Chem chemical shifts Chemistry chloride complex compounds concentration conformation correlation coupling constants crystal cyclohexane derivatives difference dilute dimethyl sulphoxide dioxan electron elimination energy equation equatorial equilibrium ester ethanol ether experimental Figure fluorene formation fraction H₂O H₂SO hydrogen hydrolysis hydroxide indicators interaction intermediate ionisation isomer isomerization isotope effect k₁ k₂ kcal kcal./mole kinetic measured mechanism methyl mixture mole mole-¹ molecular molecule n.m.r. spectra nitration nitrogen nucleophilic observed obtained oxide oxime oxygen parameters phenyl Phys piperidine plot proton pyridines R. P. Bell radical rate constants ratio reaction reactivity ring shown shows sodium solution solvent spectrum structure substituents sulphuric acid t-butyl Table temperature Tetrahedron thiophen transition values