Journal of the Chemical Society, Part 3Chemical Society., 1949 |
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Page 1723
... hydroxide solution and further methyl sulphate ( 4 c.c. ) were added gradually and simultaneously during 20 minutes . After being stirred for a further Ì hour , the mixture was heated under reflux for 1 hour with 30 % aqueous sodium ...
... hydroxide solution and further methyl sulphate ( 4 c.c. ) were added gradually and simultaneously during 20 minutes . After being stirred for a further Ì hour , the mixture was heated under reflux for 1 hour with 30 % aqueous sodium ...
Page 1821
... sodium hydroxide was treated with sodium hypochlorite and carbon dioxide according to Atherton and Hilditch's method ( J. , 1943 , 207 ) . The oily product ( 5.83 g . ) became very viscous at 0 ° , but did not crystallise . It was ...
... sodium hydroxide was treated with sodium hypochlorite and carbon dioxide according to Atherton and Hilditch's method ( J. , 1943 , 207 ) . The oily product ( 5.83 g . ) became very viscous at 0 ° , but did not crystallise . It was ...
Page 2007
... sodium hydroxide ( 10 c.c. ) afforded 2 - amino - 4 - hydroxypteridine - 6 - carboxylic acid ( 60 mg . ) , identified by its absorption spectrum and fluorescence characteristics , together with a primary aromatic amine , determined ...
... sodium hydroxide ( 10 c.c. ) afforded 2 - amino - 4 - hydroxypteridine - 6 - carboxylic acid ( 60 mg . ) , identified by its absorption spectrum and fluorescence characteristics , together with a primary aromatic amine , determined ...
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Common terms and phrases
acetic acid acetic anhydride acetone acetyl added admixture alkaline alkyl aluminium chloride Amer ammonia aqueous solution atoms barium benzene boiling bromine Calc carbinol carbon catalyst Chem Chim chloroform colourless needles compound concentrated condensation cooled crystals cyclohexene D.Sc decomp derivatives dilute dioxan dissolved distilled dithizone dried equiv ester ethanol ethyl acetate ethyl alcohol evaporated EXPERIMENTAL filtered filtrate formed Found fraction gave give heated under reflux hydrocarbon hydrochloric acid hydrogen chloride hydrolysis iodide ions isolated ketone Light absorption light petroleum b. p. method methyl mixed m. p. mixture molecule obtained oxide phenyl plates potassium hydroxide precipitated prepared pressure prisms pyridine Q-enzyme R₁ R₂ reaction reagent reduced removed requires residue room temperature salt semicarbazone separated sodium hydroxide solid soluble solvent specimen structure substance sulphate sulphone sulphuric acid synthesis Table unsaturated washed yield