Journal of the Chemical Society, Part 3Chemical Society., 1949 |
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Results 1-3 of 78
Page 2039
... chloroform at 0 ° , a 50 % excess of perbenzoic acid in chloroform was added , the mixture being kept at 0 ° throughout . Aliquot portions were withdrawn at intervals and treated with an excess of potassium iodide , the solution was ...
... chloroform at 0 ° , a 50 % excess of perbenzoic acid in chloroform was added , the mixture being kept at 0 ° throughout . Aliquot portions were withdrawn at intervals and treated with an excess of potassium iodide , the solution was ...
Page 2308
... chloroform , the chloroform solution washed at 0 ° with sodium hydrogen sulphate solution , sodium hydrogen carbonate solution , and water , and finally dried and evaporated under reduced pressure . Crystallisation from benzene - light ...
... chloroform , the chloroform solution washed at 0 ° with sodium hydrogen sulphate solution , sodium hydrogen carbonate solution , and water , and finally dried and evaporated under reduced pressure . Crystallisation from benzene - light ...
Page 2354
... chloroform , and the extract evaporated in vacuo . Treatment of the residue in ethyl acetate with benzyl- amine afforded benzylamine 4 - carbomethoxy - 5 : 5 - dimethylthiazolidine - 2 - carboxylate ( 1 g . ) which crystallised in ...
... chloroform , and the extract evaporated in vacuo . Treatment of the residue in ethyl acetate with benzyl- amine afforded benzylamine 4 - carbomethoxy - 5 : 5 - dimethylthiazolidine - 2 - carboxylate ( 1 g . ) which crystallised in ...
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Common terms and phrases
acetic acid acetic anhydride acetone acetyl added admixture alkaline alkyl aluminium chloride Amer ammonia aqueous solution atoms barium benzene boiling bromine Calc carbinol carbon catalyst Chem Chim chloroform colourless needles compound concentrated condensation cooled crystals cyclohexene decomp derivatives dilute dioxan dissolved distilled dithizone dried equiv ester ethanol ethyl acetate ethyl alcohol ethylene evaporated EXPERIMENTAL filtered filtrate formed Found fraction gave give heated under reflux hydrocarbon hydrochloric acid hydrogen chloride hydrolysis iodide ions isolated ketone Light absorption light petroleum b. p. method methyl mixed m. p. mixture molecule obtained oxide phenyl plates potassium hydroxide precipitated prepared pressure prisms pyridine Q-enzyme R₁ R₂ reaction reagent reduced removed requires residue room temperature salt semicarbazone separated sodium hydroxide solid soluble solvent specimen structure substance sulphate sulphone sulphuric acid synthesis Table unsaturated washed yield