Quarterly Journal of the Chemical Society of London, Issue 1, Pages 1-776 |
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Page 273
... n.m.r. time scale . ( a ) ( c ) 12 21 10 Hz- 1M - ( + ) - R2Mg 1 M - ( + ) - R2Mg 1M - ( - ) - sparteine 21 12 1M - ( + ) - R2Mg 0.5M - ( - ) - sparteine شش GURE N.m.r. spectra , 60 MHz , 30 ° , -CH , Mg of bis- ( 2 - methyl- magnesium ...
... n.m.r. time scale . ( a ) ( c ) 12 21 10 Hz- 1M - ( + ) - R2Mg 1 M - ( + ) - R2Mg 1M - ( - ) - sparteine 21 12 1M - ( + ) - R2Mg 0.5M - ( - ) - sparteine شش GURE N.m.r. spectra , 60 MHz , 30 ° , -CH , Mg of bis- ( 2 - methyl- magnesium ...
Page 553
... n.m.r. spec- trum at. Summary A study of internal rotation in ortho - bis ( di- chloromethyl ) benzenes by 1H n.m.r. spectroscopy shows the presence of locked conformers on the n.m.r. time scale when these substituents are flanked on one ...
... n.m.r. spec- trum at. Summary A study of internal rotation in ortho - bis ( di- chloromethyl ) benzenes by 1H n.m.r. spectroscopy shows the presence of locked conformers on the n.m.r. time scale when these substituents are flanked on one ...
Page 621
... spectroscopy [ Vmax 2125vs ( CO ) , 2060vs , br ( CO ) , 1660m ( C = C ) , and 796m ( C = C ) cm − 1 ] ; except for the difference in anion ( IIb ) is identical to ( IIa ) . The 1H n.m.r. spectrum [ 100 MHz ( CD , ) 2CO ] ( see Figure ) ...
... spectroscopy [ Vmax 2125vs ( CO ) , 2060vs , br ( CO ) , 1660m ( C = C ) , and 796m ( C = C ) cm − 1 ] ; except for the difference in anion ( IIb ) is identical to ( IIa ) . The 1H n.m.r. spectrum [ 100 MHz ( CD , ) 2CO ] ( see Figure ) ...
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