Quarterly Journal of the Chemical Society of London, Volume 1 |
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Page 279
... derivatives has the same direction and order of magnitude as observed with sulphonic esters.4 It is usual to express this difference formally by means of the so - called mesomeric dipole moment ( Table 2 ) . ence for the conformation ...
... derivatives has the same direction and order of magnitude as observed with sulphonic esters.4 It is usual to express this difference formally by means of the so - called mesomeric dipole moment ( Table 2 ) . ence for the conformation ...
Page 482
... derivatives ( XI ) , ( XII ) , and ( XIII ) is less than that in ( VII ) , ( VIII ) , and ( IX ) . Molecular Geometry . - Comparison with experimental bond lengths . The calculated bond lengths of the ses- quifulvalene derivatives ( VII ) ...
... derivatives ( XI ) , ( XII ) , and ( XIII ) is less than that in ( VII ) , ( VIII ) , and ( IX ) . Molecular Geometry . - Comparison with experimental bond lengths . The calculated bond lengths of the ses- quifulvalene derivatives ( VII ) ...
Page 582
... derivatives CHANO2 1779 1752 1727 1690 TABLE 2 Effects of structural perturbation on in - plane. For participation by ... derivatives ; since delocalisation from the heteroatom is small in un- saturated derivatives 14 the effects of d ...
... derivatives CHANO2 1779 1752 1727 1690 TABLE 2 Effects of structural perturbation on in - plane. For participation by ... derivatives ; since delocalisation from the heteroatom is small in un- saturated derivatives 14 the effects of d ...
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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4-nitroaniline A. R. Katritzky acetic acid activation energy alcohol Amer amine anion aqueous aromatic aryl-methyl ation axial benzene bond bond dissociation energies bromination calculated carbanion carbon acids catalyst Chem chemical shifts Chemistry chloride compounds concentration conformation corresponding coupling constants crystal cyclohexane derivatives deviations dilute dimethyl sulphoxide dipole electron equation ether ethylene experimental Figure fluorene formation fraction H₂O hydrocarbons hydroxide increase indicators interactions intermediate ionisation isomer isomerization isotope effect k₁ k₂ kcal kcal./mole kinetic Mc./sec measured mechanism methanol methyl mixture mole mole-¹ molecular molecules n.m.r. spectra nitrogen nucleophilic observed obtained oxide oxygen parameters phenyl Phys piperidine proton pyridines R. P. Bell radical rate constants ratio reaction relative ring selenophen shown shows signal sodium solution solvent spectrum structure substituted t-butyl Table temperature Tetrahedron thiophen transition tri-o-thymotide triethylamine triphenylmethane wave