Journal of the Chemical Society, Part 3Chemical Society., 1949 |
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Page 1839
... acetone failed , the compound being too highly soluble . Dilution of acetone solutions with either water or ligroin precipitated the compound in a pure state . Alternatively , it was crystallised from chloroform to give small colourless ...
... acetone failed , the compound being too highly soluble . Dilution of acetone solutions with either water or ligroin precipitated the compound in a pure state . Alternatively , it was crystallised from chloroform to give small colourless ...
Page 1982
... acetone ( 200 c.c. ) containing sodium hydroxide ( 3-4 c.c. of 2N . ) were heated under reflux for 3 hours . After removal of the acetone under reduced pressure the solution was saturated with sodium chloride and extracted several times ...
... acetone ( 200 c.c. ) containing sodium hydroxide ( 3-4 c.c. of 2N . ) were heated under reflux for 3 hours . After removal of the acetone under reduced pressure the solution was saturated with sodium chloride and extracted several times ...
Page 2195
... acetone > dioxan . Braude , from a consideration of electron availability alone , assumes that the order should be ether > ethanol > acetone , but there are other factors to be taken into account . Whereas in the present work the ...
... acetone > dioxan . Braude , from a consideration of electron availability alone , assumes that the order should be ether > ethanol > acetone , but there are other factors to be taken into account . Whereas in the present work the ...
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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