Quarterly Journal of the Chemical Society of London |
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Page 227
... obtained by reaction of 2 - methylbenzthiazole ethiodide and potassium carbonate in alcohol with the quaternary salt prepared from 3 - methylthio - 2 : 4 - benzthiazine and ethyl iodide , being obtained in 42 % yield after two ...
... obtained by reaction of 2 - methylbenzthiazole ethiodide and potassium carbonate in alcohol with the quaternary salt prepared from 3 - methylthio - 2 : 4 - benzthiazine and ethyl iodide , being obtained in 42 % yield after two ...
Page 537
... obtained . The Grignard reagent obtained from a - chloropropylbenzene was refluxed with its equivalent of the same chloro - compound . A small yield of aß - diethyldibenzyl , m . p . 85—88 ° , was thereby obtained ; most of the product ...
... obtained . The Grignard reagent obtained from a - chloropropylbenzene was refluxed with its equivalent of the same chloro - compound . A small yield of aß - diethyldibenzyl , m . p . 85—88 ° , was thereby obtained ; most of the product ...
Page 623
... obtained directly from -hydroxyquinoxaline . Motylewski ( loc . cit . ) found that treatment of 2 - hydroxyquinoxaline with phosphorus entachloride gave 2 : 3 - dichloroquinoxaline . 2 - Hydroxyquinoxaline is almost quantitatively ...
... obtained directly from -hydroxyquinoxaline . Motylewski ( loc . cit . ) found that treatment of 2 - hydroxyquinoxaline with phosphorus entachloride gave 2 : 3 - dichloroquinoxaline . 2 - Hydroxyquinoxaline is almost quantitatively ...
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