Journal of the Chemical Society

absorption acetic acid acetic anhydride acetone alcohol alkaline Amer anhydride aqueous sodium atom band benzene boiling bromide Calc carbonyl cation Chem chloroform CO₂H colour colourless colupulone complexes compound concentrated cooled crystallised crystals curve decomp derivatives dibromide dilute dissolved distilled dried ester ethanol ether ethylene evaporated EXPERIMENTAL extracted ferric formation formed formic acid Found fraction gave give H₂O heated hydrochloric acid hydrogen bromide hydrogen chloride hydrolysis infra-red iodide iodine kcal./mole ketone light petroleum b. p. lupulone m. p. and mixed method methyl mixed m. p. mixture mole molecule needles nickel nickel carbonyl nitrogen obtained oxidation oxidised phenol potassium potassium hydroxide precipitated prepared prisms pyridine reaction refluxed Reprint Order requires residue room temperature salt scandium sodium hydroxide solid soluble solution solvent spectra sulphate sulphuric acid Table titration tube values yellow yield