Quarterly Journal of the Chemical Society of London

absorption acetic acid acetone added alcohol alkaline alkyl Amer amine anhydride aromatic ation atom band benzene bond bromide Calc carbonyl CH₂ Chem chloride chloroform chromatography cm.¹ column complex compounds concentration constant crystallised cyclic decomp derivatives dilute dioxan disaccharide distilled dried elution equiv ester ethanol ethyl acetate evaporated EXPERIMENTAL extracted with ether filtered formation formed Found fraction frequencies gave give H₂O heated hydrochloric acid hydrolysis hydroxyl infrared infrared spectra iodide isolated isomers ketone lactone light petroleum b. p. limonin lithium aluminium hydride m. p. and mixed methyl mixed m. p. mixture mole molecules needles nitrogen obtained oxidation perchlorate phenol phosphate pipecolic acid potassium precipitate prepared prisms protons pyridine reaction reduced refluxed requires residue room temperature salt sodium hydroxide solid solution solvent spectrum structure substituted sulphuric acid Table ultraviolet values washed yield