Quarterly Journal of the Chemical Society of London, Issue 14, Pages 845-1764

absorption acetate acetone acid Acta addition adduct Amax Amer amine anion aqueous aromatic assigned atom band benzene carbanion carbon carbonyl cation Chem chemical shifts Chim chloride cm-¹ co-ordination Comm complex compounds corresponding crystal cyclic D. H. R. Barton decomposition Department of Chemistry derivatives deuterium dimer doublet electron ester ether Figure formation formed gave give hydrogen hydrolysis i.r. spectrum ibid Inorg intermediate irradiation isolated isomer isomerization ketone ligand mass spectra metal methanol methyl methylene mixture molecular molecule n.m.r. spectrum nitrogen observed obtained olefin orbitals oxidation oxygen peak Ph Ph phenyl phosphine Phys prepared protons pyridine radical reaction reacts rearrangement Received reported ring salt shown shows similar singlet sodium solution solvent spectroscopy stable stereochemistry structure substitution suggested sulphur Summary synthesis Tetrahedron Letters tetrahydrofuran tion trans triphenylphosphine University values X-ray yield ylide