Quarterly Journal of the Chemical Society of London, Part 2, Pages 1345-2568

absorption acetic acid acetone added alcohol alkaline alumina Amax Amer anhydride aqueous arabinose atomic orbitals bands benzene benzyl bond bromide Calc carbon tetrachloride carbonyl CH₂ Chem chloride chloroform chromatography cm.¹ compounds concentrated cooled crystallised decomp derivative dilute distilled dried eluted ester ethanol ether ethyl acetate evaporated EXPERIMENTAL extracted filtered filtrate fluorine Found fraction galactose gave ginkgetin give glycosides heated hydride hydrogen hydrolysis infrared spectrum iodide isolated isomer ketone light petroleum b. p. lithium aluminium hydride m. p. and mixed magnetic methyl glycosides mixed m. p. mixture mole molecular molecule needles nitrogen obtained oxidation perchlorate peroxide phenol polymers polysaccharide potassium precipitate prepared protons pyridine reaction reduced refluxed requires residue room temperature saturated sodium hydroxide solution solvent solvolysis spectra structure sugars sulphuric Table triethyl phosphite ultraviolet values yellow yield