Journal of the Chemical Society, Part 4The Society., 1949 |
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Page 2495
... cooled to 0 ° , and sodium hypochlorite solution ( 600 c.c. of N. ) added with shaking . Aqueous sodium carbonate was added after 2 minutes until alkaline , and the precipitated sulphone collected after a further 5 minutes ...
... cooled to 0 ° , and sodium hypochlorite solution ( 600 c.c. of N. ) added with shaking . Aqueous sodium carbonate was added after 2 minutes until alkaline , and the precipitated sulphone collected after a further 5 minutes ...
Page 2907
... cooled , mixed with water , heated under reflux to hydrolyse the excess of anhydride , and cooled . The aqueous layer was decanted , and the yellowish - brown sticky residue stirred with acetone to induce crystallisation . The ...
... cooled , mixed with water , heated under reflux to hydrolyse the excess of anhydride , and cooled . The aqueous layer was decanted , and the yellowish - brown sticky residue stirred with acetone to induce crystallisation . The ...
Page 2925
... cooled in ice - water . Aniline ( 11.9 g . , 2 mols . ) was added slowly . The white precipitate of aniline hydrochloride was filtered off , the filtrate heated on a water - bath to remove ether , and the remaining solution distilled at ...
... cooled in ice - water . Aniline ( 11.9 g . , 2 mols . ) was added slowly . The white precipitate of aniline hydrochloride was filtered off , the filtrate heated on a water - bath to remove ether , and the remaining solution distilled at ...
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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