Journal of the Chemical Society, Part 2Chemical Society., 1949 |
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Results 1-3 of 81
Page 1156
... give toluene ( 9 g . ) , b . p . 110-112 ° ( 2 : 4 - dinitro - derivative , m . p . 66 ° , undepressed on admixture with authentic 2 : 4 - dinitrotoluene ) . The residue from the steam - distillation was extracted with boiling water ...
... give toluene ( 9 g . ) , b . p . 110-112 ° ( 2 : 4 - dinitro - derivative , m . p . 66 ° , undepressed on admixture with authentic 2 : 4 - dinitrotoluene ) . The residue from the steam - distillation was extracted with boiling water ...
Page 1222
... give a mixture of solid complexes , some of which under acid conditions give a typical blue coloration and a characteristic absorption band . Numerous carbohydrate derivatives studied under the conditions of the reaction give well ...
... give a mixture of solid complexes , some of which under acid conditions give a typical blue coloration and a characteristic absorption band . Numerous carbohydrate derivatives studied under the conditions of the reaction give well ...
Page 1268
... give 6 - chloro- 2 : 3 - diketo - 1 : 4 - dimethyl - 1 : 23 : 4 - tetrahydroquinoxaline , m . p . and mixed m . p . 191-192 ° , and ( b ) by treatment with phosphorus pentachloride to give 2 : 3 : 6 - trichloroquinoxaline , m . p . and ...
... give 6 - chloro- 2 : 3 - diketo - 1 : 4 - dimethyl - 1 : 23 : 4 - tetrahydroquinoxaline , m . p . and mixed m . p . 191-192 ° , and ( b ) by treatment with phosphorus pentachloride to give 2 : 3 : 6 - trichloroquinoxaline , m . p . and ...
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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