Journal of the Chemical Society, Part 3Chemical Society., 1949 |
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Results 1-3 of 79
Page 1886
... evaporated in vacuo , taken up in ether , refiltered from dioxan - soluble material and re - evaporated in vacuo with warming to remove traces of benzyl chloride . The residue was crystal- lised from methylated spirit to yield N - nitro ...
... evaporated in vacuo , taken up in ether , refiltered from dioxan - soluble material and re - evaporated in vacuo with warming to remove traces of benzyl chloride . The residue was crystal- lised from methylated spirit to yield N - nitro ...
Page 2094
... evaporated under reduced pressure , the oil mixed with ice - water , and the mixture neutralised with concentrated sodium carbonate solution . The solid was collected , washed with water , and crystallised from aqueous ethanol , to give ...
... evaporated under reduced pressure , the oil mixed with ice - water , and the mixture neutralised with concentrated sodium carbonate solution . The solid was collected , washed with water , and crystallised from aqueous ethanol , to give ...
Page 2354
... evaporated to low bulk in vacuo and then extracted with chloroform . The aqueous phase was acidified with 1-84N - hydrochloric acid ( 61 c.c. ) and extracted with chloroform ( 6 x 60 c.c. ) . Evaporation of the chloroform layer gave a ...
... evaporated to low bulk in vacuo and then extracted with chloroform . The aqueous phase was acidified with 1-84N - hydrochloric acid ( 61 c.c. ) and extracted with chloroform ( 6 x 60 c.c. ) . Evaporation of the chloroform layer gave a ...
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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