Journal of the Chemical Society, Part 4The Society., 1949 |
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Results 1-3 of 73
Page 2671
... pyridine , crystallised from ethanol in stout prisms , m . p . 237-238 ° ( Found : C , 78-6 ; H , 6-0 . CH1 , O , N requires C , 78-4 ; H , 5 · 9 % ) . An attempt to benzoylate this compound in pyridine solution failed , whilst under ...
... pyridine , crystallised from ethanol in stout prisms , m . p . 237-238 ° ( Found : C , 78-6 ; H , 6-0 . CH1 , O , N requires C , 78-4 ; H , 5 · 9 % ) . An attempt to benzoylate this compound in pyridine solution failed , whilst under ...
Page 3167
... pyridine ( VI ) in dilute hydrochloric acid was 2- ( 2 - chlorostyryl ) pyridine , isolated as the picrate . An authentic specimen of this pyridine was prepared by condensation of o - chlorobenzaldehyde with a - picoline in acetic ...
... pyridine ( VI ) in dilute hydrochloric acid was 2- ( 2 - chlorostyryl ) pyridine , isolated as the picrate . An authentic specimen of this pyridine was prepared by condensation of o - chlorobenzaldehyde with a - picoline in acetic ...
Page 3170
... pyridine ( 4.9 g . ) in water ( 40 c.c. ) and concentrated hydrochloric acid ( 11 c.c. ) was diazotised at 0 ° by the addition of a solution of sodium nitrite ( 1 · 75 g . ) in water ( 10 c.c. ) . The diazonium solution was added ...
... pyridine ( 4.9 g . ) in water ( 40 c.c. ) and concentrated hydrochloric acid ( 11 c.c. ) was diazotised at 0 ° by the addition of a solution of sodium nitrite ( 1 · 75 g . ) in water ( 10 c.c. ) . The diazonium solution was added ...
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Common terms and phrases
absorption acetic acid acetic anhydride acetone added alcohol alkaline aluminium chloride aluminium iodide Amer amine ammonia aqueous sodium atom benzaldehyde benzene boiling bond bromide bromine trifluoride Calc carbon CH₂ Chem chloroform colourless needles compound concentrated condensation containing cooled crystallised crystals D.Sc decomp decomposition derivatives diazotised dilute dioxan dissolved distilled dried ester ethanol ethyl alcohol extracted with ether filtered filtrate formation formed Found fraction gave Grignard reagent halide heated under reflux hydrochloric acid hydrogen chloride hydrolysis iodide iodine ions isolated ketone light petroleum b. p. liquid method methyl methyl iodide minutes mixture molecule nitrate nitrogen obtained oxidation phenol picrate potassium precipitate prepared prisms pyridine reaction reagent recrystallised from ethanol reduced pressure removed requires residue room temperature salt separated sodium hydroxide solid soluble solution solvent sulphate sulphone sulphuric acid synthesis Table tube values washed yield