Journal of the Chemical Society, Part 2Chemical Society., 1949 |
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Page 818
... dissolved in chloroform ( 25 c.c. ) , and the solution saturated with hydrogen sulphide . Silver sulphide was filtered off , and the filtrate evaporated . The syrup so obtained was dissolved in a minimum quantity of moist ether and set ...
... dissolved in chloroform ( 25 c.c. ) , and the solution saturated with hydrogen sulphide . Silver sulphide was filtered off , and the filtrate evaporated . The syrup so obtained was dissolved in a minimum quantity of moist ether and set ...
Page 1231
... dissolved in 11. of N - sulphuric acid , the solution kept at 50 ° , and an aqueous solution of potassium dichromate ( calculated quantity for the first stage of the reaction on p . 1227 ) slowly added with brisk stirring . When the ...
... dissolved in 11. of N - sulphuric acid , the solution kept at 50 ° , and an aqueous solution of potassium dichromate ( calculated quantity for the first stage of the reaction on p . 1227 ) slowly added with brisk stirring . When the ...
Page 1363
... dissolved in methyl alcohol ( 25 c.c. ) containing sulphuric acid ( 0-3 c.c. ) . After 5 hours at 45 ° the solution was exactly neutralised with barium carbonate , filtered , and evaporated to dryness under diminished pressure . residue ...
... dissolved in methyl alcohol ( 25 c.c. ) containing sulphuric acid ( 0-3 c.c. ) . After 5 hours at 45 ° the solution was exactly neutralised with barium carbonate , filtered , and evaporated to dryness under diminished pressure . residue ...
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Common terms and phrases
4-dinitrophenylhydrazone absorption acetic anhydride acetone acetyl acidified added aldehyde alkaline aluminium chloride Amer amine ammonia aniline aqueous sodium atom benzene boiling bond bromine Calc carbon catalyst CH₂ Chem chloroform citrinin colourless needles compound condensation cooled crystallised crystallised from alcohol crystals cyanide cyclisation decomp derivative dilute dissolved distilled dried electrode ester evaporated extracted with ether filtered filtrate formed colourless Found fraction gave give heated under reflux hydrochloric acid hydrogen chloride hydrolysis iodide isolated ketone lactone light petroleum b. p. m. p. and mixed methanol method methyl alcohol minutes mixed m. p. mixture molecule obtained oxide phenol phosphoric picrate potassium hydroxide precipitate prepared pyridine reaction reduced pressure requires residue resin room temperature salt separated sodium hydroxide solid soluble solution solvent specimen structure substance sulphuric acid triethylamine values washed yellow needles yield