Quarterly Journal of the Chemical Society of London, Issue 1, Pages 1-776 |
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Page 31
... experiments on Cinchona ledgeriana Precursor Cinchonine ( 11 ) Incorporations ( % ) Cinchonidine ( 9 ) Quinine ( 10 ) 0.07 0.0 0.008 0.008 0.13 0.0 0.04 0.0 0.007 [ Ar - 3H ] Vincoside and C - 3 epimer ( 3 ) [ Ar - H ] Corynantheine ...
... experiments on Cinchona ledgeriana Precursor Cinchonine ( 11 ) Incorporations ( % ) Cinchonidine ( 9 ) Quinine ( 10 ) 0.07 0.0 0.008 0.008 0.13 0.0 0.04 0.0 0.007 [ Ar - 3H ] Vincoside and C - 3 epimer ( 3 ) [ Ar - H ] Corynantheine ...
Page 229
... experiments indicate that both norbelladine and 3 ' - O - methylnorbelladine undergo cleavage before incorporation , the conclusions presented earlier from the experiments with the tritium labelled compounds ( 5 ) , ( 6 ) , and ( 7 ) ...
... experiments indicate that both norbelladine and 3 ' - O - methylnorbelladine undergo cleavage before incorporation , the conclusions presented earlier from the experiments with the tritium labelled compounds ( 5 ) , ( 6 ) , and ( 7 ) ...
Page 403
... experiments : thus , changes in product ratios can no longer be used to determine relative energies of the hot atoms initiating particular reactions . HOT tritium atoms , produced by 3He ( n , p ) 3H , can react chemically with ...
... experiments : thus , changes in product ratios can no longer be used to determine relative energies of the hot atoms initiating particular reactions . HOT tritium atoms , produced by 3He ( n , p ) 3H , can react chemically with ...
Contents
Page | 1 |
Electrochemical Indications of New Oxidation States in Transitionmetal Dicarbollide Complexes | 8 |
Synthesis of a 1026Pyridinophane by U K GEORGI and J RÉTEY | 32 |
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acetate acid addition alcohol Amer analysis appears aromatic assigned atoms band bond calculated carbon carbonyl Chem Chemical Chemistry chloride chromatography co-ordination Comm complexes compounds concentration configuration confirmed consistent constants containing corresponding coupling Crystal Department of Chemistry derivatives determined effect electron ester ether evidence expected experiments Figure followed formation formed gave give hydrogen indicate intermediate involving isolated ligand mass measured mechanism metal method methyl mixture molecular molecule n.m.r. spectrum nitrogen observed obtained occurs oxidation oxygen peak position possible prepared presence protons radical ratio reaction rearrangement Received recently reduction relative reported Research resonance respectively ring Scheme shift shown shows signals similar solution solvent space group spectra spectrum structure studies substituted suggested Summary synthesis Table temperature Tetrahedron Letters thank tion University values X-ray yield