Journal of the Chemical Society

absorption acetic acid acetone acetyl added alcohol alkaline alumina Amer anhydride aqueous arabinose atomic orbitals bands benzene benzyl bond bromide Calc calculated carbon tetrachloride carbonyl Chem chloride chloroform chromatography complex compounds concentrated constant cooled crystallised decomp derivative dilute distilled dried eluted ester ethanol ether ethyl acetate evaporated EXPERIMENTAL extracted filtered fluorine Found fraction galactose gave ginkgetin give glycosides H₂O 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 mµ log 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 spectra structure sugars sulphuric Table triethyl phosphite values Vmax xylose yellow yield