Quarterly Journal of the Chemical Society of London |
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Page 1180
... washed with ethanol , dried ( dry wt . 1.6 g . ) , and dissolved in hot water ( 1600 c.c. ) . The solution was acidified with hydrochloric acid [ 1.2 c.c. ( d 1-16 ) in 4 c.c. of water ] . The voluminous yellow precipitate was collected ...
... washed with ethanol , dried ( dry wt . 1.6 g . ) , and dissolved in hot water ( 1600 c.c. ) . The solution was acidified with hydrochloric acid [ 1.2 c.c. ( d 1-16 ) in 4 c.c. of water ] . The voluminous yellow precipitate was collected ...
Page 1406
... washed with cold , distilled water ( 4 × 5 c.c. ) . The washed deposit was re - suspended in water ( 10 c.c. ) and dissolved by the very cautious addition of 0.1N - sodium hydroxide to a final pH of 6.8 . Care was taken to ensure that ...
... washed with cold , distilled water ( 4 × 5 c.c. ) . The washed deposit was re - suspended in water ( 10 c.c. ) and dissolved by the very cautious addition of 0.1N - sodium hydroxide to a final pH of 6.8 . Care was taken to ensure that ...
Page 1473
... washed twice with ether , and the aqueous solution made strongly alkaline with 30 % sodium hydroxide solution . The oil which separated was extracted with ether , dried rapidly , and concentrated . The residue ( 3-4 g . ) became ...
... washed twice with ether , and the aqueous solution made strongly alkaline with 30 % sodium hydroxide solution . The oil which separated was extracted with ether , dried rapidly , and concentrated . The residue ( 3-4 g . ) became ...
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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 D.Sc 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 reductive dissolution removed requires residue room temperature salt semicarbazone separated sodium hydroxide solid soluble solvent specimen sulphate sulphuric acid values washed xylose yellow needles yield