Journal of the Chemical Society, Part 2Chemical Society., 1949 |
From inside the book
Results 1-3 of 80
Page 964
... alcohol , and crystallised twice from dilute alcohol , forming colourless needles , m . p . 228–229 ° ( Found : C , 70-6 ; H , 7.3 . C21H2O , N2 requires C , 71 · 2 ; H , 7 · 3 % ) . Its methyl ether , prepared in the same manner from ...
... alcohol , and crystallised twice from dilute alcohol , forming colourless needles , m . p . 228–229 ° ( Found : C , 70-6 ; H , 7.3 . C21H2O , N2 requires C , 71 · 2 ; H , 7 · 3 % ) . Its methyl ether , prepared in the same manner from ...
Page 1165
... alcohol ( 100 c.c. ) , filtered hot from a small amount of insoluble material , and allowed to crystallise . The solid which separated was crystallised several times from water , giving colourless leaflets ( 0.95 g . ) , m . p . 198 ...
... alcohol ( 100 c.c. ) , filtered hot from a small amount of insoluble material , and allowed to crystallise . The solid which separated was crystallised several times from water , giving colourless leaflets ( 0.95 g . ) , m . p . 198 ...
Page 1166
... crystallised from aqueous alcohol , giving unchanged thiadiazole ( 0-5 g . ) , m . p . 224 ° ( Found : S , 18.1 . Calc . for C , H , N , S : S , 18.1 % ) . The compound ( 1.8 g . ) was also boiled in alcohol ( 25 c.c. ) with Raney ...
... crystallised from aqueous alcohol , giving unchanged thiadiazole ( 0-5 g . ) , m . p . 224 ° ( Found : S , 18.1 . Calc . for C , H , N , S : S , 18.1 % ) . The compound ( 1.8 g . ) was also boiled in alcohol ( 25 c.c. ) with Raney ...
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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