Quarterly Journal of the Chemical Society of London, Issue 1, Pages 1-776 |
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Page 39
... Chromatography to Sequence Determination in Actinomycins By A. B. MAUGER ( Research Foundation of the Washington Hospital Center , Washington , D.C. 20010 ) Summary Pyrolysis - gas chromatography of peptides per- mits identification of ...
... Chromatography to Sequence Determination in Actinomycins By A. B. MAUGER ( Research Foundation of the Washington Hospital Center , Washington , D.C. 20010 ) Summary Pyrolysis - gas chromatography of peptides per- mits identification of ...
Page 490
... chromatography on an asymmetric complexating stationary phase in the presence of transition - metal ions . We have carried out the chromatographic separation of a number of racemates on asymmetric sorbents containing L - amino - acid ...
... chromatography on an asymmetric complexating stationary phase in the presence of transition - metal ions . We have carried out the chromatographic separation of a number of racemates on asymmetric sorbents containing L - amino - acid ...
Page 578
... chromatography on silica gel , a mixture of cis- and trans - 7- ethoxycarbonyl - 1 - azabicyclo [ 4,2,0 ] octan - 8 - one ( 4 and 5 ; R = Et ) in 80 % yield , Vmax ( CCI ) 1765 ( ß - lactam ) and 1730 cm - 1 ( ester ) , M + , m / e 197 ...
... chromatography on silica gel , a mixture of cis- and trans - 7- ethoxycarbonyl - 1 - azabicyclo [ 4,2,0 ] octan - 8 - one ( 4 and 5 ; R = Et ) in 80 % yield , Vmax ( CCI ) 1765 ( ß - lactam ) and 1730 cm - 1 ( ester ) , M + , m / e 197 ...
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