Journal of the Chemical Society, Part 2The Society., 1950 "Titles of chemical papers in British and foreign journals" included in Quarterly journal, v. 1-12. |
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Page 1061
... residue was shaken with ether and 2N - sodium hydroxide . The aqueous layer was acidified and extracted with ether , the ethereal layer was dried ( Na „ SO1 ) , and the residue , obtained by evaporation of the ether , was treated with ...
... residue was shaken with ether and 2N - sodium hydroxide . The aqueous layer was acidified and extracted with ether , the ethereal layer was dried ( Na „ SO1 ) , and the residue , obtained by evaporation of the ether , was treated with ...
Page 1368
... residue , like acyl groups in general , is removed from an optically active ester without an accompanying Walden inversion or the formation of an anhydro - ring . EXPERIMENTal . Precautions . - Unless otherwise stated , all operations ...
... residue , like acyl groups in general , is removed from an optically active ester without an accompanying Walden inversion or the formation of an anhydro - ring . EXPERIMENTal . Precautions . - Unless otherwise stated , all operations ...
Page 1537
... residue was dissolved in a small volume of cold water , and the solution was saturated with sodium carbonate and extracted with ether . The ether was removed from the dried ( K , CO ) extract , and the residue distilled , the fraction ...
... residue was dissolved in a small volume of cold water , and the solution was saturated with sodium carbonate and extracted with ether . The ether was removed from the dried ( K , CO ) extract , and the residue distilled , the fraction ...
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Common terms and phrases
absorption acetic anhydride acetone acetyl added alcohol alkaline alunite Amer amine ammonia anhydrous anilide aqueous sodium atom benzene boiling bromine trifluoride Calc carbonate CH₂ Chem chloroform colour colourless needles compound condensation containing cooled crystallised crystals cyanide cyclisation decomp derivatives dilute dissolved distilled dried equiv ester ethanol ethyl acetate evaporated EXPERIMENTAL extracted with ether filtered filtrate fluoride formation formed Found fraction gave give heated under reflux hydrochloric acid hydrogen chloride hydrolysis iodide iodine ions isolated kcals ketone light petroleum b. p. liquid melting method methyl minutes mixed m. p. molecule nitrate nitrile nitrogen obtained oxalate oxide oxime oxygen pickeringite picrate piperidine potassium potassium hydroxide precipitate prepared prisms pyridine reduced pressure reductive dissolution removed requires residue room temperature salt semicarbazone separated sodium hydroxide solid soluble solvent specimen sulphate sulphuric acid washed xylose yellow needles yield