Quarterly Journal of the Chemical Society of London, Volume 1 |
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Page 51
... assignment of the transition fre- quencies , even though in this case the solutions have different signs of the coupling constants . The two solutions and the assignment and calculated intensities are given in Table 2 which shows that ...
... assignment of the transition fre- quencies , even though in this case the solutions have different signs of the coupling constants . The two solutions and the assignment and calculated intensities are given in Table 2 which shows that ...
Page 165
... assignment only on the basis of the a values miss- ing from the methyl substituted derivatives . How- ever , for the quinoline radical this method allows us to ascertain only that the trend of the coupling constants a is H ( 4 ) > H ( 2 ) ...
... assignment only on the basis of the a values miss- ing from the methyl substituted derivatives . How- ever , for the quinoline radical this method allows us to ascertain only that the trend of the coupling constants a is H ( 4 ) > H ( 2 ) ...
Page 973
... assignment . = = = = cis- and trans - 3 - Chloropent - 2 - ene ( 5d , 5e ) can be assigned by analogy with the butenes ( 3d , 3e ) . With cis- and trans - pent - 2 - ene ( 5b , 5c ) as model compounds 82 ( 5d ) 5.49 , 81 ( 5e ) 5-51 ...
... assignment . = = = = cis- and trans - 3 - Chloropent - 2 - ene ( 5d , 5e ) can be assigned by analogy with the butenes ( 3d , 3e ) . With cis- and trans - pent - 2 - ene ( 5b , 5c ) as model compounds 82 ( 5d ) 5.49 , 81 ( 5e ) 5-51 ...
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