Quarterly Journal of the Chemical Society of London, Part 4 |
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7-methyltocol absorption acetic acid acetone added alcohol alkali Amer amine anhydride anhydrous aqueous ethanol atom band benzene benzyl bond bromine Calc carbon cation CH₂ Chem chloride chloroform chromatography cm.¹ CO₂H complex compound concentrated cooled crystallised crystals decomp derivative diazotisation dilute dimethyl ether dinitrogen trioxide dioxan dissolved distilled dried ester ethanol ethyl acetate evaporated extracted filtered filtrate formed Found fraction gave give heated hydrochloric acid hydrogen hydrolysis ibid infrared spectra iodide isolated ketone light petroleum b. p. lithium aluminium hydride log ɛ m. p. and mixed mixed m. p. mixture mole molecular molecule needles nitrous obtained oxide perchlorate phenolic phosphate picrate potassium precipitate prepared prisms proton pyridine reaction reduced pressure refluxed requires residue room temperature salt sodium hydroxide solution solvent spectrum stirred structure substituents sulphuric acid Table toluquinol ultraviolet values washed with water yellow yield