Quarterly Journal of the Chemical Society of London, Issue 1, Pages 1-776 |
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Page 14
THE crystal structures of the title compounds have been determined . All four complexes have similar geometry , with a planar M1 ( S ) , M2 ring . There are , There are , however , significant differences in the dimensions of these ...
THE crystal structures of the title compounds have been determined . All four complexes have similar geometry , with a planar M1 ( S ) , M2 ring . There are , There are , however , significant differences in the dimensions of these ...
Page 224
We now report that the title compounds , although stable in dilute aqueous acidic media , undergo multiple rearrangement reactions in sulphuric acid . R R = = = in concentrated sulphuric acid at room temperature and then immediately ...
We now report that the title compounds , although stable in dilute aqueous acidic media , undergo multiple rearrangement reactions in sulphuric acid . R R = = = in concentrated sulphuric acid at room temperature and then immediately ...
Page 529
C - 4 1H n.m.r. band width data for 4 - substituted cyclohexanones ( 1 ) — ( 6 ) at 30 ± 3 ° showing predominance of the axial conformation ( a ) AG ° Compound X Solvent W / Hz % ( a ) kcal / mol Ref . [ H ] - ( 1 ) MeO C.H. 16.5 ± 0.1 ...
C - 4 1H n.m.r. band width data for 4 - substituted cyclohexanones ( 1 ) — ( 6 ) at 30 ± 3 ° showing predominance of the axial conformation ( a ) AG ° Compound X Solvent W / Hz % ( a ) kcal / mol Ref . [ H ] - ( 1 ) MeO C.H. 16.5 ± 0.1 ...
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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