Journal of the Chemical Society, Part 2Chemical Society., 1949 |
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Results 1-3 of 72
Page 918
... cooled , and carefully added to ice - cold sodium carbonate ( 25 c.c. , 20 % ) . The oil which formed was separated , the aqueous layer extracted with ether , and the ethereal extracts added to the oil , the whole being washed once ...
... cooled , and carefully added to ice - cold sodium carbonate ( 25 c.c. , 20 % ) . The oil which formed was separated , the aqueous layer extracted with ether , and the ethereal extracts added to the oil , the whole being washed once ...
Page 1010
... cooled to 60 ° and the crystalline solid ( 1.94 g . ) filtered off . This was obtained as yellow plates by the addition of hot water ( 980 ml . ) to the hot solution in pyridine ( 420 ml . ) . Analysis showed the compound to be a ...
... cooled to 60 ° and the crystalline solid ( 1.94 g . ) filtered off . This was obtained as yellow plates by the addition of hot water ( 980 ml . ) to the hot solution in pyridine ( 420 ml . ) . Analysis showed the compound to be a ...
Page 1637
... cooled below 0 ° , and morpholine ( 0.70 c.c. , 2 mols . ) added with stirring . After half an hour , the white solid ( 1.05 g . ) , m . p . 95-97 ° ( decomp . ) , was collected and dried ( Found : C , 45-7 ; H , 7-7 ; N , 20-6 ; CH2O ...
... cooled below 0 ° , and morpholine ( 0.70 c.c. , 2 mols . ) added with stirring . After half an hour , the white solid ( 1.05 g . ) , m . p . 95-97 ° ( decomp . ) , was collected and dried ( Found : C , 45-7 ; H , 7-7 ; N , 20-6 ; CH2O ...
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Common terms and phrases
4-dinitrophenylhydrazone absorption acetic anhydride acetone acetyl acidified added aldehyde alkaline aluminium chloride Amer amine ammonia aniline aqueous sodium atom benzene boiling bond bromine Calc carbon catalyst CH₂ Chem chloroform citrinin colourless needles compound condensation cooled crystallised crystallised from alcohol crystals cyanide cyclisation decomp derivative dilute dissolved distilled dried electrode ester evaporated extracted with ether filtered filtrate formed colourless Found fraction gave give heated under reflux hydrochloric acid hydrogen chloride hydrolysis iodide isolated ketone lactone light petroleum b. p. m. p. and mixed methanol method methyl alcohol minutes mixed m. p. mixture molecule obtained oxide phenol phosphoric picrate potassium hydroxide precipitate prepared pyridine reaction reduced pressure requires residue resin room temperature salt separated sodium hydroxide solid soluble solution solvent specimen structure substance sulphuric acid triethylamine values washed yellow needles yield