Quarterly Journal of the Chemical Society of London, Volume 1 |
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Results 1-3 of 74
Page 593
... protons of 1,4 - diethylpyridinium salts for protic solvents , certain aprotic solvents giving anomalous results . We now present results on the effect of solvent changes on the proton resonance shifts in N - methyl- quinolinium and ...
... protons of 1,4 - diethylpyridinium salts for protic solvents , certain aprotic solvents giving anomalous results . We now present results on the effect of solvent changes on the proton resonance shifts in N - methyl- quinolinium and ...
Page 606
... proton D resulted in A as a meta split doublet thus showing that proton D must be adjacent to both protons A and B , with proton D occupying the C - 2 ( or C - 7 ) position , leaving proton C to be at the C - 4 ( or C - 5 ) position of ...
... proton D resulted in A as a meta split doublet thus showing that proton D must be adjacent to both protons A and B , with proton D occupying the C - 2 ( or C - 7 ) position , leaving proton C to be at the C - 4 ( or C - 5 ) position of ...
Page 638
... proton ( and correspondingly between the 5- and 4 - positions in the other tautomer ) . The tautomer ratios obtained from the 5 : 6 and 7 : 4 ratios of the aromatic proton peak areas and from the methyl peak area ratio were in good ...
... proton ( and correspondingly between the 5- and 4 - positions in the other tautomer ) . The tautomer ratios obtained from the 5 : 6 and 7 : 4 ratios of the aromatic proton peak areas and from the methyl peak area ratio were in good ...
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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acetic acid activation added addition alcohol Amer angle appears aqueous assumed ation atoms base benzene bond bromination calculated carbon carbon tetrachloride Chem chemical Chemistry chloride compared complex compounds concentration conformation containing corresponding coupling crystal dependence derivatives determined difference DISCUSSION effect elimination energy equation error estimated ethanol ether exchange expected experimental experiments Figure formation fraction give given hydrogen increase indicators interaction intermediate involving isomer isotope kinetic measured mechanism method methyl mixture mole molecular molecule observed obtained occurs oxide oxygen parameters Phys plot position possible prepared present proton radical range rate constants ratio reaction reasonable relative reported requires respectively ring shifts shown shows similar sodium solution solvent spectra spectrum structure substituents suggested sulphuric Table temperature transition University values wave yield