Journal of the Chemical Society, Part 2Chemical Society., 1949 |
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Page 1096
... aldehyde was found to require its own special method ( see below ) , a standard method of purification was used . This consisted of converting the distilled aldehyde into its bisulphite compound from which , after washing with ether ...
... aldehyde was found to require its own special method ( see below ) , a standard method of purification was used . This consisted of converting the distilled aldehyde into its bisulphite compound from which , after washing with ether ...
Page 1431
... aldehyde ( cf. Claisen , Ber . , 1903 , 36 , 3665 ) . In the reaction between the latter aldehyde or its acetal and aniline , Claisen recorded the formation of a monoadduct which he formulated as HC = C • CH ( OH ) • NHPh but which is ...
... aldehyde ( cf. Claisen , Ber . , 1903 , 36 , 3665 ) . In the reaction between the latter aldehyde or its acetal and aniline , Claisen recorded the formation of a monoadduct which he formulated as HC = C • CH ( OH ) • NHPh but which is ...
Page 1595
... aldehyde , 52.2 . C , H ̧ONCI , CH ̧O requires N , 5 · 3 ; Cl , 13.6 ; aldehyde , 52 · 8 % ) . ( ii ) Repetition of the above experiment , using 30 c.c. instead of 25 c.c. of ethyl acetate , yielded a solvate as white needles , m . p ...
... aldehyde , 52.2 . C , H ̧ONCI , CH ̧O requires N , 5 · 3 ; Cl , 13.6 ; aldehyde , 52 · 8 % ) . ( ii ) Repetition of the above experiment , using 30 c.c. instead of 25 c.c. of ethyl acetate , yielded a solvate as white needles , m . p ...
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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