Quarterly Journal of the Chemical Society of London |
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Page 385
... dissolved in aqueous methanol ( 250 c.c. of 70 % ) , n - butylpiperidine ( 9 g . ) added , and the solution shaken with hydrogen in presence of palladised charcoal ( 10 % Pd ) . Absorption of hydrogen , at first fairly rapid , slowed ...
... dissolved in aqueous methanol ( 250 c.c. of 70 % ) , n - butylpiperidine ( 9 g . ) added , and the solution shaken with hydrogen in presence of palladised charcoal ( 10 % Pd ) . Absorption of hydrogen , at first fairly rapid , slowed ...
Page 388
... dissolved in dry methanol ( 5 c.c. ) , was treated with methanolic sodium methoxide ( 7 c.c. , 4N ) and refluxed for 20 hours . After working up as before , a - methoxycrotonic acid ( 0-6 g . ) was isolated , m . p . and mixed m . p ...
... dissolved in dry methanol ( 5 c.c. ) , was treated with methanolic sodium methoxide ( 7 c.c. , 4N ) and refluxed for 20 hours . After working up as before , a - methoxycrotonic acid ( 0-6 g . ) was isolated , m . p . and mixed m . p ...
Page 467
... dissolved in methyl alcohol ( 40 c.c. ) and a small amount of hydrochloric acid and filtered ( charcoal ) ; piperidinoethanesulphonpiperidide hydro- chloride slowly crystallised in clusters of hard white needles ( 12 g . ) , m . p . 202 ...
... dissolved in methyl alcohol ( 40 c.c. ) and a small amount of hydrochloric acid and filtered ( charcoal ) ; piperidinoethanesulphonpiperidide hydro- chloride slowly crystallised in clusters of hard white needles ( 12 g . ) , m . p . 202 ...
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 CHâ‚‚ 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