Quarterly Journal of the Chemical Society of London |
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Page 466
... filtered ( char- coal ) , and reprecipitated by an excess of hydrochloric acid . The precipitated oil , which rapidly became solid and friable , was dissolved in boiling N - hydrochloric acid ( 800 c.c. ) and filtered ( charcoal ) ; the ...
... filtered ( char- coal ) , and reprecipitated by an excess of hydrochloric acid . The precipitated oil , which rapidly became solid and friable , was dissolved in boiling N - hydrochloric acid ( 800 c.c. ) and filtered ( charcoal ) ; the ...
Page 467
... filtered ( charcoal ) ; piperidinoethanesulphonpiperidide hydro- chloride slowly crystallised in clusters of hard white needles ( 12 g . ) , m . p . 202-204 ° . For analysis it was recrystallised from ethyl alcohol containing a few ...
... filtered ( charcoal ) ; piperidinoethanesulphonpiperidide hydro- chloride slowly crystallised in clusters of hard white needles ( 12 g . ) , m . p . 202-204 ° . For analysis it was recrystallised from ethyl alcohol containing a few ...
Page 691
... filtered . The filtrate was cooled and neutralised with acetic acid . The precipitate was filtered off , dried ( 2 · 1 g . ) and recrystallised from dilute acetic acid . It was obtained in colourless prisms , m . p . 251 ° ; Ganapathi ...
... filtered . The filtrate was cooled and neutralised with acetic acid . The precipitate was filtered off , dried ( 2 · 1 g . ) and recrystallised from dilute acetic acid . It was obtained in colourless prisms , m . p . 251 ° ; Ganapathi ...
Contents
An Investigation of the Occurrence of the Coordinate or Dative Link by Electric Dipolemoment | 38 |
Electrolytic Dissociation Processes Part IV The Ionisation of a CarbonHalogen Bond | 129 |
By J SHERIDAN | 133 |
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Common terms and phrases
4-benzthiazine absorption acetic anhydride acetone acetyl acetylene added addition adsorbed alkali Amer ammonia aqueous atoms benzene boiling bond Calc carbinol carbon catalyst CH₂ Chem chloroform colourless needles compound concentrated condensation cooling crystallised from alcohol crystals cyclisation D.Sc decomp derivative described dilute dissolved distilled dried ester ethanol ether ethylene evaporated EXPERIMENTAL extracted filtered filtrate formation formed Found fraction gave give heated hydrocarbons hydrochloric acid hydrogen bromide hydrogen chloride hydrolysis iodide isolated ketone light petroleum liquid methiodide method methyl alcohol mixed m. p. mixture molecule nickel nitric nitrogen obtained optically oxide oxychloride phosphate phosphorus picrate potassium potassium hydroxide precipitate prepared pressure prisms pyridine reaction reduced refluxed requires residue ring room temperature salt saturated separated sodium carbonate sodium hydroxide solid soluble solution solvent structure substance sulphate sulphuric acid vacuum washed yellow needles yield zinc