Quarterly Journal of the Chemical Society of London |
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Page 42
... Picrate . - A saturated methyl - alcoholic picric acid solution ( 10 c.c. ) was added with stirring to a solution of the above optically pure l - selenonium d - sulphonate ( 0-8 g . ) in methyl alcohol ( 30 c.c. } −0 · 80 ° , [ Z ...
... Picrate . - A saturated methyl - alcoholic picric acid solution ( 10 c.c. ) was added with stirring to a solution of the above optically pure l - selenonium d - sulphonate ( 0-8 g . ) in methyl alcohol ( 30 c.c. } −0 · 80 ° , [ Z ...
Page 44
... Picrate .-- When a methyl - alcoholic solution of picric acid was added to a solution of the l - telluronium d - bromocamphorsulphonate ( 2 g . , having [ M ] -81 ° in methyl alcohol ) in cold methyl alcohol ( 200 c.c. ) , the optically ...
... Picrate .-- When a methyl - alcoholic solution of picric acid was added to a solution of the l - telluronium d - bromocamphorsulphonate ( 2 g . , having [ M ] -81 ° in methyl alcohol ) in cold methyl alcohol ( 200 c.c. ) , the optically ...
Page 528
... picrate , recrystallised from water , had m . p . 141-144 ° and showed no depression of m . p . when mixed with the picrate , m . p . 143–146 ° , resulting from decarboxylation of the methyl ester ( p . 527 ) . Like the latter , the ...
... picrate , recrystallised from water , had m . p . 141-144 ° and showed no depression of m . p . when mixed with the picrate , m . p . 143–146 ° , resulting from decarboxylation of the methyl ester ( p . 527 ) . Like the latter , the ...
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