Quarterly Journal of the Chemical Society of London, Volume 1 |
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Page 355
... position arises from an unfavourable electro- static effect which is not compensated by the distribution of - electrons . The richness in electrons of the ortho- and para - positions is offset by the electrostatic forces , and the ...
... position arises from an unfavourable electro- static effect which is not compensated by the distribution of - electrons . The richness in electrons of the ortho- and para - positions is offset by the electrostatic forces , and the ...
Page 357
... positions more strongly than does the ethynyl substituent , and the meta - position almost as strongly as does a bromo - substituent . In the cleavage by alkali in 2 : 5 ( v / v ) water - methanol at 50-1 ° , the compound p - H • ( CEC ) ...
... positions more strongly than does the ethynyl substituent , and the meta - position almost as strongly as does a bromo - substituent . In the cleavage by alkali in 2 : 5 ( v / v ) water - methanol at 50-1 ° , the compound p - H • ( CEC ) ...
Page 388
... position this cannot be used as a ' standard position ' . That the choice of the ẞ - position as standard is justified is confirmed by the calculated values of E , and A , which are , within experimental error , the same as those for ...
... position this cannot be used as a ' standard position ' . That the choice of the ẞ - position as standard is justified is confirmed by the calculated values of E , and A , which are , within experimental error , the same as those for ...
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