Quarterly Journal of the Chemical Society of London |
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Page 1159
... semicarbazone ( m . p . 223-224 ° , after softening at 214 ° , when determined simultaneously ) showed no depression of the m . p . The cinerone regenerated from the semicarbazone , m . p . 210-215 ° , had b . p . 130 ° / 27 mm . , n30 ...
... semicarbazone ( m . p . 223-224 ° , after softening at 214 ° , when determined simultaneously ) showed no depression of the m . p . The cinerone regenerated from the semicarbazone , m . p . 210-215 ° , had b . p . 130 ° / 27 mm . , n30 ...
Page 1307
... semicarbazone Separation of the Semicarbazones of the Ozonolysis Ketones . - The whole ketone fraction was treated with semicarbazide hydrochloride in saturated sodium acetate solution . separated during the first few hours . After its ...
... semicarbazone Separation of the Semicarbazones of the Ozonolysis Ketones . - The whole ketone fraction was treated with semicarbazide hydrochloride in saturated sodium acetate solution . separated during the first few hours . After its ...
Page 1308
... semicarbazone , m . p . 196 ° after crystallisation from alcohol ( Found : C , 51-6 ; H , 9-2 ; N , 22.6 . C , H ,, O , N , requires C , 51-4 ; H , 9.1 ; N , 22.45 % ) . The semicarbazone of the isomeric keto - carbinol Me CO CMePri OH ...
... semicarbazone , m . p . 196 ° after crystallisation from alcohol ( Found : C , 51-6 ; H , 9-2 ; N , 22.6 . C , H ,, O , N , requires C , 51-4 ; H , 9.1 ; N , 22.45 % ) . The semicarbazone of the isomeric keto - carbinol Me CO CMePri OH ...
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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 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