Quarterly Journal of the Chemical Society of London |
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Page 1427
... removal of any anhydride present the oil was dissolved in 6 c.c. of alcohol . The solution gave no observable rotation in a 2 - dm . tube . The main portion of the alcohol was removed and the ketone converted into the oxime in the ...
... removal of any anhydride present the oil was dissolved in 6 c.c. of alcohol . The solution gave no observable rotation in a 2 - dm . tube . The main portion of the alcohol was removed and the ketone converted into the oxime in the ...
Page 1612
... removed in vacuo , and the yellowish resinous residue dissolved in boiling ethanol ( 250 c.c. ) . The solution was boiled under reflux with ethyl iodide ( 3 c.c. ) and ethanolic sodium ethoxide ( 0-08 g . of sodium in 5 c.c. of ethanol ) ...
... removed in vacuo , and the yellowish resinous residue dissolved in boiling ethanol ( 250 c.c. ) . The solution was boiled under reflux with ethyl iodide ( 3 c.c. ) and ethanolic sodium ethoxide ( 0-08 g . of sodium in 5 c.c. of ethanol ) ...
Page 1712
... removed by the dropwise addition of dihydropyran until the solution of 2 : 3 - dichlorotetrahydropyran ( 310 g . , 1.0 mol . ) was again colourless . Meanwhile methylmagnesium bromide ( 1.5 mols . ) was prepared in dry ether ( 500 ml ...
... removed by the dropwise addition of dihydropyran until the solution of 2 : 3 - dichlorotetrahydropyran ( 310 g . , 1.0 mol . ) was again colourless . Meanwhile methylmagnesium bromide ( 1.5 mols . ) was prepared in dry ether ( 500 ml ...
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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 CHâ‚‚ 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