Quarterly Journal of the Chemical Society of London, Issue 1, Pages 1-776 |
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Page 54
... nitrogen in cyclic systems , particularly in aziridines where the nitrogen atom is con- strained in a three - membered ring . However , surprisingly little is known regarding the barriers to nitrogen inversion in acyclic compounds . We ...
... nitrogen in cyclic systems , particularly in aziridines where the nitrogen atom is con- strained in a three - membered ring . However , surprisingly little is known regarding the barriers to nitrogen inversion in acyclic compounds . We ...
Page 55
... nitrogen inversion . Griffith and Roberts have reported that the barrier to nitrogen inversion in N - benzyl - NO - dimethylhydroxylamine is considerably reduced in polar solvents ( e.g. methanol ) . † However other workers4,5 have ...
... nitrogen inversion . Griffith and Roberts have reported that the barrier to nitrogen inversion in N - benzyl - NO - dimethylhydroxylamine is considerably reduced in polar solvents ( e.g. methanol ) . † However other workers4,5 have ...
Page 246
... nitrogen with sodium and naphthalene in tetrahydrofuran gives amines plus ammonia in the presence of TiCl ; a similar reaction occurs using lithium even in the absence of TiCl4 . It has been shown that aromatic amines can be formed in ...
... nitrogen with sodium and naphthalene in tetrahydrofuran gives amines plus ammonia in the presence of TiCl ; a similar reaction occurs using lithium even in the absence of TiCl4 . It has been shown that aromatic amines can be formed in ...
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