Quarterly Journal of the Chemical Society of London |
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Page 181
... acid to 2 - tert - butyl - 9 - anthrone with 100 % sulphuric acid at 50 ° , followed by oxidation with chromic acid . THIS investigation began with an attempt to prepare 2 - tert . - butylanthraquinone ( I ) readily . The sole previous ...
... acid to 2 - tert - butyl - 9 - anthrone with 100 % sulphuric acid at 50 ° , followed by oxidation with chromic acid . THIS investigation began with an attempt to prepare 2 - tert . - butylanthraquinone ( I ) readily . The sole previous ...
Page 737
... acid to phenolphthalein , unchanged ester ( 3.5 g . , 70 % ) was recovered . On acidification the filtrate the acid ... sulphuric acid for 30 minutes ve a 66 % yield of the methylamide , m . p . 236-237 ° , identical with the ...
... acid to phenolphthalein , unchanged ester ( 3.5 g . , 70 % ) was recovered . On acidification the filtrate the acid ... sulphuric acid for 30 minutes ve a 66 % yield of the methylamide , m . p . 236-237 ° , identical with the ...
Page 738
... sulphuric acid . 2 - Sulphanilamidobenzamide . - N - Acetyl - 2 - sulphanilamidobenzamide ( Part I ) boiled with 50 % sulphuric acid for 12 minutes gave a 76 % yield of the amide . 4 - Sulphanilamidobenzonitrile . - p ...
... sulphuric acid . 2 - Sulphanilamidobenzamide . - N - Acetyl - 2 - sulphanilamidobenzamide ( Part I ) boiled with 50 % sulphuric acid for 12 minutes gave a 76 % yield of the amide . 4 - Sulphanilamidobenzonitrile . - p ...
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