Journal of the Chemical Society, Pages 1-1026The Society., 1950 |
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Page 475
... sodium hydroxide was added and the benzthiadiazole extracted with ether . The yield of almost pure product ( m . p ... sodium hydroxide solution . A solution of tetrazotised disulphide ( 5 g . ) in concentrated sulphuric acid was slowly ...
... sodium hydroxide was added and the benzthiadiazole extracted with ether . The yield of almost pure product ( m . p ... sodium hydroxide solution . A solution of tetrazotised disulphide ( 5 g . ) in concentrated sulphuric acid was slowly ...
Page 748
... sodium bromide was then dissolved in the solution . This solution was electrolysed between platinum electrodes , at a current density of 0.3 amp . per sq . in . , in an ice - bath , and 10 % sodium hydroxide solution was added drop by ...
... sodium bromide was then dissolved in the solution . This solution was electrolysed between platinum electrodes , at a current density of 0.3 amp . per sq . in . , in an ice - bath , and 10 % sodium hydroxide solution was added drop by ...
Page 768
... sodium alkyl sulphate was fused with sodium nitrite the ratio of the yields of alkyl nitrite and nitroparaffin was 0.36 : 1 , whereas it was 19 : 1 when the potassium salts were used . Here again solid salts were employed . Graebe ...
... sodium alkyl sulphate was fused with sodium nitrite the ratio of the yields of alkyl nitrite and nitroparaffin was 0.36 : 1 , whereas it was 19 : 1 when the potassium salts were used . Here again solid salts were employed . Graebe ...
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Common terms and phrases
4-dione absorption acetic acid acetic anhydride acetone acetyl activity added alcohol alkaline Amer amine ammonia amylose anhydride atom benzene boiling bromide bromine trifluoride Calc carbon dioxide carbon tetrachloride catalyst CH₂ Chem chloride chloroform CO₂ colour colourless complex compound containing cooling copper corresponding crystallised crystals cyclisation decomp derivatives diazomethane dilute dioxan dissolved distilled disulphide dried electron ester ethanol ethyl acetate ethylamine evaporated filtered filtrate formed Found fraction gave give heated under reflux hydrochloric acid hydrogen chloride hydrolysis iodide isolated ketone light petroleum b. p. liquid m. p. and mixed metals method methyl minutes mixed m. p. mixture molecule needles nitrate obtained oxidation peroxide potassium precipitate prepared prisms pyridine Q-enzyme reaction reagent reduced requires residue room temperature salt separated sodium hydroxide solid soluble solution solvent sulphate sulphide sulphuric acid washed yellow yield