Quarterly Journal of the Chemical Society of London, Pages 1313-2436 |
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acetic acid acetone added alcohol alkaline Amer ammonia anhydride aqueous methanol atom benzene boiling bromide Calc CH₂ Chem chloroform chromatography colourless complex compound concentration constant cooled crystallised crystals decomp derivative dichloride dilute dimethyl dioxan dissolved distilled dried eluted ergoflavin ester ethanol ethyl acetate evaporated EXPERIMENTAL filtered filtrate formed Found fraction gallium gave give H₂O heated hydrazine hydrochloric acid hydrogen chloride hydrolysis iodide ionisation isolated k₁ ketone light petroleum b. p. lithium aluminium hydride m. p. and mixed methyl mixed m. p. mixture mole mole-¹ molecular molecule nitrogen obtained oxidation paper chromatography peroxide phenyl phosphate picrate potassium potassium hydroxide precipitate prepared prisms pyridine reaction reduced reflux requires residue room temperature salt separated sodium hydroxide solution solvent spectra structure sulphuric acid Table trisaccharide ultraviolet values washed yellow needles yield zinc chloride