Quarterly Journal of the Chemical Society of London |
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Page 416
... filtrate from the crude 4 - chloro - 8 - nitroquinaldine was basified with sodium hydroxide . The yellow solid obtained ( precipitate X ) was warmed in N - nitric acid , and the solution filtered . The filtrate deposited a sticky orange ...
... filtrate from the crude 4 - chloro - 8 - nitroquinaldine was basified with sodium hydroxide . The yellow solid obtained ( precipitate X ) was warmed in N - nitric acid , and the solution filtered . The filtrate deposited a sticky orange ...
Page 518
... filtrate ( A ) , the solvent removed , and the residual solid digested with acetone ( 30 c.c. ) and filtered from a little crude 6 - nitro - compound . The acetone filtrate was concentrated until it crystallised in the hot , yielding 0 ...
... filtrate ( A ) , the solvent removed , and the residual solid digested with acetone ( 30 c.c. ) and filtered from a little crude 6 - nitro - compound . The acetone filtrate was concentrated until it crystallised in the hot , yielding 0 ...
Page 574
... filtrate , ethyl chelidonate was isolated by evaporation , solution of the residue in benzene , filtration through alumina , and addition of light petroleum ( b . p . 40—60 ° ) to the filtrate . It formed slightly coloured needles , m ...
... filtrate , ethyl chelidonate was isolated by evaporation , solution of the residue in benzene , filtration through alumina , and addition of light petroleum ( b . p . 40—60 ° ) to the filtrate . It formed slightly coloured needles , m ...
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