Quarterly Journal of the Chemical Society of London |
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Page 50
... distillation . The residue was distilled in a vacuum , giving 12 : 5 - trihydroxypentane as a viscous liquid , b . p . 180-182 ° / 6 mm .; yield 60 % . If steam - distillation was omitted , the product had b . p . 170-174 ° / 10 mm ...
... distillation . The residue was distilled in a vacuum , giving 12 : 5 - trihydroxypentane as a viscous liquid , b . p . 180-182 ° / 6 mm .; yield 60 % . If steam - distillation was omitted , the product had b . p . 170-174 ° / 10 mm ...
Page 137
... distilled from 60 ° to 310 ° with steadily rising b . p .; roughly one - sixth distilled from 100 ° / 30 mm . to 250 ° / 6 mm . , leaving a gummy residue of about one - sixth . The colour deepened with rising b . p . On distillation of ...
... distilled from 60 ° to 310 ° with steadily rising b . p .; roughly one - sixth distilled from 100 ° / 30 mm . to 250 ° / 6 mm . , leaving a gummy residue of about one - sixth . The colour deepened with rising b . p . On distillation of ...
Page 294
... distilled ; benzaldehyde ( 5 g . ) was obtained . Distillation of Hexamine - Benzyl Chloride . - Hexamine - benzyl chloride ( 30 g . ) , prepared by heating hexamine with benzyl chloride in chloroform solution , was heated under 30 mm ...
... distilled ; benzaldehyde ( 5 g . ) was obtained . Distillation of Hexamine - Benzyl Chloride . - Hexamine - benzyl chloride ( 30 g . ) , prepared by heating hexamine with benzyl chloride in chloroform solution , was heated under 30 mm ...
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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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