Journal of the Chemical SocietyThe Society., 1949 |
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Page 1021
... minutes . The solution was cooled to 100-140 ° , filtered , and , when cooled to room temperature , diluted with dry ether ( 500 c.c. ) to deposit a brown solid , which was collected after 15 minutes , drained , washed liberally with ...
... minutes . The solution was cooled to 100-140 ° , filtered , and , when cooled to room temperature , diluted with dry ether ( 500 c.c. ) to deposit a brown solid , which was collected after 15 minutes , drained , washed liberally with ...
Page 1187
... minutes ' boiling with water was required before hydrolysis was noticeable . Refluxing for 3 hours in presence of hydrochloric acid produced crystals of the original amine hydrochloride . ON - Dibenzoylaminopyromeconic Acid . The ...
... minutes ' boiling with water was required before hydrolysis was noticeable . Refluxing for 3 hours in presence of hydrochloric acid produced crystals of the original amine hydrochloride . ON - Dibenzoylaminopyromeconic Acid . The ...
Page 1662
... minutes ) , 0.38 ( 40 minutes ) , 0-63 ( 1 hour ) . Control Experiments with Formic Acid . - Portions of 0.01N - formic acid ( 5 c.c. ) were oxidised with sodium metaperiodate ( 2 c.c. ) on the boiling water - bath for the requisite ...
... minutes ) , 0.38 ( 40 minutes ) , 0-63 ( 1 hour ) . Control Experiments with Formic Acid . - Portions of 0.01N - formic acid ( 5 c.c. ) were oxidised with sodium metaperiodate ( 2 c.c. ) on the boiling water - bath for the requisite ...
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4-dinitrophenylhydrazone absorption acetic anhydride acetone acetyl acidified added aldehyde alkaline aluminium chloride Amer amine ammonia aniline aqueous sodium atom benzene boiling bromine Calc carbon catalyst CH₂ Chem chloroform citrinin colourless needles compound condensation containing 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