Quarterly Journal of the Chemical Society of London, Issue 1, Pages 1-776 |
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Page 81
... Similar treatment of ( 9 ) gave ( 2 ) which , upon acetylation with acetic anhydride - zinc chloride gave 134,6 - tetra - O - acetyl - 2-0 - p - nitrophenyl - a - D - glucopyranose 10 m . p . 168-169 ° , [ a ] 23 + 16.8 ° ( c 1 ...
... Similar treatment of ( 9 ) gave ( 2 ) which , upon acetylation with acetic anhydride - zinc chloride gave 134,6 - tetra - O - acetyl - 2-0 - p - nitrophenyl - a - D - glucopyranose 10 m . p . 168-169 ° , [ a ] 23 + 16.8 ° ( c 1 ...
Page 97
... similar conditions gave ( VI ) , m.p. 215 ° ; M + m / e 338 , in 25 % yield , along with a comparable amount of ( V ) ... similar to that of Scheme 1. In this case the proton transfer from toluene to a carbonyl group of ( III ) is somewhat ...
... similar conditions gave ( VI ) , m.p. 215 ° ; M + m / e 338 , in 25 % yield , along with a comparable amount of ( V ) ... similar to that of Scheme 1. In this case the proton transfer from toluene to a carbonyl group of ( III ) is somewhat ...
Page 593
... similar magnitude to that for ( II ) .2,3 The 2 - phenylnorbornyl cation ( VII ) is indicated by n.m.r. analysis to be classical and possess charge dispersal and stabilization similar to that for the 1 - phenylcyclopentyl and 1 ...
... similar magnitude to that for ( II ) .2,3 The 2 - phenylnorbornyl cation ( VII ) is indicated by n.m.r. analysis to be classical and possess charge dispersal and stabilization similar to that for the 1 - phenylcyclopentyl and 1 ...
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