Quarterly Journal of the Chemical Society of London, Issue 1, Pages 1-776 |
From inside the book
Results 1-3 of 83
Page 102
... obtained here with the value of 2J obtained in ref . 9. Gregson and Mitra obtained 2J 7.0 cm - 1 by magnetic susceptibility measurements from 80 to 300K and 2J = 1 cm - 1 from e.s.r. measurements . These values are quite different from ...
... obtained here with the value of 2J obtained in ref . 9. Gregson and Mitra obtained 2J 7.0 cm - 1 by magnetic susceptibility measurements from 80 to 300K and 2J = 1 cm - 1 from e.s.r. measurements . These values are quite different from ...
Page 470
... obtained possesses n.m.r. and i.r. spectra identical with the supinidine obtained by the hydrolysis of supinine ( IIa ) . We thank Dr. C. C. J. Culvenor for the n.m.r. and i.r. spectra of natural ( - ) - supinidine and for a supply of ...
... obtained possesses n.m.r. and i.r. spectra identical with the supinidine obtained by the hydrolysis of supinine ( IIa ) . We thank Dr. C. C. J. Culvenor for the n.m.r. and i.r. spectra of natural ( - ) - supinidine and for a supply of ...
Page 597
... obtained in 0.59 % yield from the dried leaves by chromato- graphy of the methanol extract and crystallisation , had m.p. 97-100 ° , [ α ] −69 ° ( c , 1 in 96 % ethanol ) . rubrosin ( II ) , needles from water , CHO ,, obtained in 0-47 ...
... obtained in 0.59 % yield from the dried leaves by chromato- graphy of the methanol extract and crystallisation , had m.p. 97-100 ° , [ α ] −69 ° ( c , 1 in 96 % ethanol ) . rubrosin ( II ) , needles from water , CHO ,, obtained in 0-47 ...
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