Quarterly Journal of the Chemical Society of London, Issue 1, Pages 1-776 |
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Page 138
... signals are equivalent in both carbon tetrachloride and benzene . On cooling a CDCl , solution to -40 ° , the OMe singlet signal broadened while the OSiMe , signal was essentially unchanged . Thus , at room temperature , a major ...
... signals are equivalent in both carbon tetrachloride and benzene . On cooling a CDCl , solution to -40 ° , the OMe singlet signal broadened while the OSiMe , signal was essentially unchanged . Thus , at room temperature , a major ...
Page 316
... signals commencing at 41o . The lower field pair of methoxy- ( 7 6 · 48 , 6 · 52 ) and acetyl ( 7 8 · 26 , 8-21 ) signals resolve into single lines over the range 67—76 ° while the coalescence of the remaining pairs of methoxy ( 7 6.99 ...
... signals commencing at 41o . The lower field pair of methoxy- ( 7 6 · 48 , 6 · 52 ) and acetyl ( 7 8 · 26 , 8-21 ) signals resolve into single lines over the range 67—76 ° while the coalescence of the remaining pairs of methoxy ( 7 6.99 ...
Page 453
... signals , one for each isomer , with a further doubling of the B - methyl signals of the 2 - propyl groups of the exo - isomer . The upfield shift of one of the B - methyl doublets in the exo - isomer persists under all conditions ...
... signals , one for each isomer , with a further doubling of the B - methyl signals of the 2 - propyl groups of the exo - isomer . The upfield shift of one of the B - methyl doublets in the exo - isomer persists under all conditions ...
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