Journal of the Chemical Society, Part 1Chemical Society., 1949 |
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Page 3
... isolated by the thymol method ( Bourne , Donnison , Haworth , and Peat , loc . cit . ) . D : Potato starch . These modifications were incorporated in a new method for the isolation of amylose . Samples of amylose isolated by this ...
... isolated by the thymol method ( Bourne , Donnison , Haworth , and Peat , loc . cit . ) . D : Potato starch . These modifications were incorporated in a new method for the isolation of amylose . Samples of amylose isolated by this ...
Page 350
... isolated from natural products was undertaken some time ago with a view to the later identification of the alcohols in the essential oils themselves . In previous papers cumyl alcohol ( J. , 1938 , 1825 ) and the alcohols related to ...
... isolated from natural products was undertaken some time ago with a view to the later identification of the alcohols in the essential oils themselves . In previous papers cumyl alcohol ( J. , 1938 , 1825 ) and the alcohols related to ...
Page 583
... isolated as its acridinium salt , is normally 55 % . fofofon CH - CH ( OH ) -CH ( OH ) · CH · CH2 · O- -OH Он Он OH RO- -OH 80 Lor Lan Ó⚫CH , Ph ( II . ) ( V. ) RO- CH N NH , ( I. ) RO- Насны -O • CH , Ph RO- Ó · CH2Ph Ó · CH2Ph ( III ...
... isolated as its acridinium salt , is normally 55 % . fofofon CH - CH ( OH ) -CH ( OH ) · CH · CH2 · O- -OH Он Он OH RO- -OH 80 Lor Lan Ó⚫CH , Ph ( II . ) ( V. ) RO- CH N NH , ( I. ) RO- Насны -O • CH , Ph RO- Ó · CH2Ph Ó · CH2Ph ( III ...
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absorption acetic anhydride acetone added addition alkaline aluminium aluminium chloride Amer ammonia anhydride atom benzene boiling bond bromide Calc carbon catalyst CH₂ Chem chloroform colourless needles compound concentration condensation cooled crystallised crystals curve cyanide decomp decomposition derivatives dilute dissolved distilled disulphide dried ester ethyl acetate ethyl alcohol ethylene evaporated extracted with ether filtered filtrate formed Found fraction gave give m. p. heated hydrochloric acid hydrogen chloride hydrolysis iodide isolated ketone kojic acid light petroleum b. p. m. p. and mixed methanol method mixed m. p. mixture molecule obtained oxide phenyl picrate potassium hydroxide precipitated prepared prisms pyridine reaction reagent reduced pressure refluxed removed requires residue room temperature salt separated sodium hydroxide solid soluble solution solvent stirred structure sulphate sulphide sulphone sulphuric acid thionyl chloride washed yellow yield