Quarterly Journal of the Chemical Society of London |
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Page 198
... crystals , m . p . about 217 ° ( red - brown melt ) , of 2 - hydroxy - 2 - methyl - 2 : 3 - dihydrophenanthroxazole ( IIa ) , difficultly soluble in cold alcohol ; it was soluble in concentrated sulphuric acid and boiling aqueous sodium ...
... crystals , m . p . about 217 ° ( red - brown melt ) , of 2 - hydroxy - 2 - methyl - 2 : 3 - dihydrophenanthroxazole ( IIa ) , difficultly soluble in cold alcohol ; it was soluble in concentrated sulphuric acid and boiling aqueous sodium ...
Page 660
... crystals that separated , recrystallised from benzene - light petroleum , had m . p . 178 ° ( violet - red melt ) . The photo - product dissolved with difficulty in light petroleum ( b . p . 80-90 ° ) and glacial acetic acid , and gave ...
... crystals that separated , recrystallised from benzene - light petroleum , had m . p . 178 ° ( violet - red melt ) . The photo - product dissolved with difficulty in light petroleum ( b . p . 80-90 ° ) and glacial acetic acid , and gave ...
Page 905
... crystals , 175–176 ° ( Pale pink needles , 205-208 ° ) ( B ) its Anil , with the Thioindoxyls . Mixed m . p . X ... crystals , 183-184 ° ( Pale green plates , 254-256 ° ) ( a ) Pale green needles , 261-263 ° ( b ) Pale brown ...
... crystals , 175–176 ° ( Pale pink needles , 205-208 ° ) ( B ) its Anil , with the Thioindoxyls . Mixed m . p . X ... crystals , 183-184 ° ( Pale green plates , 254-256 ° ) ( a ) Pale green needles , 261-263 ° ( b ) Pale brown ...
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