Quarterly Journal of the Chemical Society of London, Volume 1 |
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Page 489
... given by the diols indicates weaker hydrogen bonding be- tween the disiloxane - 1,3 - diols than between the trisilox- ane - 1,5 - diols , except in the dimethyl series . The ratios of the extinction coefficients of the free to ...
... given by the diols indicates weaker hydrogen bonding be- tween the disiloxane - 1,3 - diols than between the trisilox- ane - 1,5 - diols , except in the dimethyl series . The ratios of the extinction coefficients of the free to ...
Page 492
... given by many of the organosilanols have been satisfactorily explained in terms of rotational isomerism . The gauche - conformers of the trisiloxane - 1,5 - diols are , in many instances , stabilized by strong intramolecular hydrogen ...
... given by many of the organosilanols have been satisfactorily explained in terms of rotational isomerism . The gauche - conformers of the trisiloxane - 1,5 - diols are , in many instances , stabilized by strong intramolecular hydrogen ...
Page 751
... given in Table 6. In each case the population ( % ) of conformation ( 6 ) in dimethyl sulphoxide is given , as is AG for the conversion ( 7 ) ( 6 ) in the same solvent . CH2X R 13 ( 5 ) -OH The the the 13 161 16 но H ( 6 ) но н ( 7a ) ...
... given in Table 6. In each case the population ( % ) of conformation ( 6 ) in dimethyl sulphoxide is given , as is AG for the conversion ( 7 ) ( 6 ) in the same solvent . CH2X R 13 ( 5 ) -OH The the the 13 161 16 но H ( 6 ) но н ( 7a ) ...
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