Journal of the Chemical SocietyThe Society., 1953 |
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Page 65
... heated with concentrated hydrochloric acid in a sealed tube at 140-150 ° for 12 hours . The product was dissolved in water and made alkaline with ammonia , giving pale yellow needles of the hydroxy- quinolone ( 0.7 g . ) , m . p . 333 ...
... heated with concentrated hydrochloric acid in a sealed tube at 140-150 ° for 12 hours . The product was dissolved in water and made alkaline with ammonia , giving pale yellow needles of the hydroxy- quinolone ( 0.7 g . ) , m . p . 333 ...
Page 118
... heated at 160 ° for 1 hour , the cold material was pow- dered and extracted with dilute hydrochloric acid . The residue was dried and extracted with boiling benzene , the solvent being then removed from the filtered extract by ...
... heated at 160 ° for 1 hour , the cold material was pow- dered and extracted with dilute hydrochloric acid . The residue was dried and extracted with boiling benzene , the solvent being then removed from the filtered extract by ...
Page 344
... heated to inactivate enzymes , then filtered , and the filtrate de - iɔnised with Amberlite resins IR - 120 and IR - 4B . Chromatographic examination of the concentrated solution disclosed erythrose , ribose , fructose , heptulose ...
... heated to inactivate enzymes , then filtered , and the filtrate de - iɔnised with Amberlite resins IR - 120 and IR - 4B . Chromatographic examination of the concentrated solution disclosed erythrose , ribose , fructose , heptulose ...
Contents
Internuclear Cyclisation Part VII The Synthesis of Some NitroNmethyl | 1 |
Synthesis of Polymethylnaphthalenes | 8 |
Kestose a Trisaccharide formed from Sucrose by Yeast Invertase | 24 |
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Common terms and phrases
absorption acetic acid acetic anhydride acetone acetyl acidified added alcohol alkaline aluminium aluminium chloride Amer amine aqueous sodium atom benzene boiling bromine Calc carbon Chem Chim chloroform chromatographed colourless compound concentrated cooled crystallised crystals D.Sc decomp derivatives dilute dissolved distilled dried elution equiv ester ethanol ethyl acetate ethylene evaporated extracted with ether filtered filtrate formed Found fraction gave give m. p. H₂O heated hydrochloric acid hydrogen chloride hydrogen sulphate hydrolysis hydroxyl infra-red iodide isolated ketone light petroleum b. p. liquid lithium aluminium hydride m. p. and mixed method mixed m. p. mixture mole obtained oxidation oxidised pale yellow phosphorochloridate polyporenic potassium hydroxide precipitate prepared prisms pyridine reaction reduced refluxed requires residue room temperature salt sodium hydroxide solid soluble solution solvent spectra sulphuric acid ultra-violet washed yellow needles yield