Quarterly Journal of the Chemical Society of London |
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Page 1044
... added during 15 minutes and stirring continued for 6 minutes . p - Chloro - B - pyrrolidinopropiophenone ( 23.8 g . , 0.1 mol . ) in anhydrous ether ( 100 c.c. ) was then added dropwise during 20 minutes , after which the temperature ...
... added during 15 minutes and stirring continued for 6 minutes . p - Chloro - B - pyrrolidinopropiophenone ( 23.8 g . , 0.1 mol . ) in anhydrous ether ( 100 c.c. ) was then added dropwise during 20 minutes , after which the temperature ...
Page 1300
... added to pH 8 , and the precipitate removed by filtration . Dilute aqueous oxalic acid was added to the solution at 60-70 ° to give pH 7 , followed by decolorising charcoal ; after filtration and chilling to ca. 3 ° , inulin separated ...
... added to pH 8 , and the precipitate removed by filtration . Dilute aqueous oxalic acid was added to the solution at 60-70 ° to give pH 7 , followed by decolorising charcoal ; after filtration and chilling to ca. 3 ° , inulin separated ...
Page 1502
... added . The solution was left overnight in contact with purified hydrogen . The styrene was first boiled under reflux in hydrogen for 24 hours and then 120 ml . were collected in a current of hydrogen and run into the caatalyst solution ...
... added . The solution was left overnight in contact with purified hydrogen . The styrene was first boiled under reflux in hydrogen for 24 hours and then 120 ml . were collected in a current of hydrogen and run into the caatalyst solution ...
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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