Quarterly Journal of the Chemical Society of London |
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Page 151
... vacuum - jacketed fractionating column . After removal of the ligroin , the product was distilled in a vacuum ( b . p . 87 ° / 1-2 mm . ) . The complex is very unstable to heat and moisture . It fumes strongly in moist air ; and a ...
... vacuum - jacketed fractionating column . After removal of the ligroin , the product was distilled in a vacuum ( b . p . 87 ° / 1-2 mm . ) . The complex is very unstable to heat and moisture . It fumes strongly in moist air ; and a ...
Page 402
... vacuum and crystallisation from dilute ethanol ; 4 - methyl - 2 : 34 : 5 - tetrahydro - 4 - carboline ( 2.0 g . ) separated as plates , m . p . 171-172 ° ( Found : N , 15-2 . C12H1N , requires N , 15 · 0 % ) . Ethyl chloroacetate ( 61.3 ...
... vacuum and crystallisation from dilute ethanol ; 4 - methyl - 2 : 34 : 5 - tetrahydro - 4 - carboline ( 2.0 g . ) separated as plates , m . p . 171-172 ° ( Found : N , 15-2 . C12H1N , requires N , 15 · 0 % ) . Ethyl chloroacetate ( 61.3 ...
Page 780
... vacuum at 40 ° the solution was methylated a second time under the above conditions . After 3 methylations acidification of the methylation mixture gave a gum - like product which was isolated by filtration through cloth . The gum was ...
... vacuum at 40 ° the solution was methylated a second time under the above conditions . After 3 methylations acidification of the methylation mixture gave a gum - like product which was isolated by filtration through cloth . The gum was ...
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