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 0.0 0.0 0.13 0.04 0.007 [ Ar - 3H ] Vincoside and C - 3 epimer ( 3 ) [ Ar - 3H ] Corynantheine ...
... experiments on Cinchona ledgeriana Precursor Cinchonine ( 11 ) Incorporations ( % ) Cinchonidine ( 9 ) Quinine ( 10 ) 0.07 0.0 0.008 0.008 0.0 0.0 0.13 0.04 0.007 [ Ar - 3H ] Vincoside and C - 3 epimer ( 3 ) [ Ar - 3H ] 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 He ( 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 He ( n , p ) 3H , can react chemically with ...
Contents
Page | 1 |
Electrochemical Indications of New Oxidation States in Transitionmetal Dicarbollide Complexes | 8 |
Crystal Structure and Bonding in the Dinuclear Complexes CHW SPhMCO M Cr | 14 |
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acetate acid Acta adduct alcohol alkaloids alkyl Amer analysis anion aqueous aromatic assigned atoms band benzene carbon carbonyl cation chelate Chem chemical shifts Chemical Society Chim chloride cm-¹ co-ordination Comm complexes compounds configuration confirmed coupling Crystal Structure cyclopropane Department of Chemistry derivatives double bond doublet electron ester ether Figure formation formed gave H₂O hydride hydrogen hydrolysis i.r. spectrum ibid indicate Inorg intermediate irradiation isolated isomer ketone ligand metal methanol methyl methylene mixture molecular molecule n.m.r. spectrum nitrogen observed obtained olefinic oxidation oxygen phenyl phosphine photolysis Phys presence protons pyridine radical ratio reaction rearrangement Received reported resonance ring room temperature shown shows similar singlet sodium solution solvent space group spectra spectroscopy stereochemistry studies substituted suggested sulphur Summary synthesis Table Tetrahedron Letters tetrahydrofuran tion triphenylphosphine tritium University values X-ray yield