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 |
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