Journal of the Chemical SocietyThe Society., 1949 |
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Results 1-3 of 78
Page 785
... requires N , 10.9 % ; equiv . , 128.2 ) . The dipicrate , m . p . 186—190 ° ( decomp . ) , crystallised from 2 - ethoxyethyl alcohol as leaflets ( Found : C , 47 · 2 ; ́H , 5 · 6 . C18H36N2,2C , H , O , N , requires C , 47.05 ; H , 5 ...
... requires N , 10.9 % ; equiv . , 128.2 ) . The dipicrate , m . p . 186—190 ° ( decomp . ) , crystallised from 2 - ethoxyethyl alcohol as leaflets ( Found : C , 47 · 2 ; ́H , 5 · 6 . C18H36N2,2C , H , O , N , requires C , 47.05 ; H , 5 ...
Page 924
... requires Pb , 43.7 % ) . Tri - n - propyl - lead Anthranilate . - This salt was similarly prepared and recrystallised ; m . p . 57–58 ° ( Found : Pb , 43.1 . C16H27O , NPb requires Pb , 43.9 % ) . 25 28 By similar means were prepared ...
... requires Pb , 43.7 % ) . Tri - n - propyl - lead Anthranilate . - This salt was similarly prepared and recrystallised ; m . p . 57–58 ° ( Found : Pb , 43.1 . C16H27O , NPb requires Pb , 43.9 % ) . 25 28 By similar means were prepared ...
Page 1313
... requires C , 67-5 ; H , 7.6 % ) ; hydro- chloride , rhombic prisms , m . p . 200-201 ° ( previous softening ) from 2N - hydrochloric acid ( Found : Cl , 12-4 ; equiv . , 284-6 . CH20ONCI requires Cl , 12.4 % ; equiv . , 285.5 ) ...
... requires C , 67-5 ; H , 7.6 % ) ; hydro- chloride , rhombic prisms , m . p . 200-201 ° ( previous softening ) from 2N - hydrochloric acid ( Found : Cl , 12-4 ; equiv . , 284-6 . CH20ONCI requires Cl , 12.4 % ; equiv . , 285.5 ) ...
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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