Quarterly Journal of the Chemical Society of London |
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Page 129
... Addition to Unsaturated Compounds . Part V. The aẞ - Unsaturated Acids and Hydrogen Bromide Catalysis . By I. D. MORTON and P. W. ROBERTSON . BB - Dimethylacrylic acid unites with bromine in acetic acid solution by a rapid termolecular ...
... Addition to Unsaturated Compounds . Part V. The aẞ - Unsaturated Acids and Hydrogen Bromide Catalysis . By I. D. MORTON and P. W. ROBERTSON . BB - Dimethylacrylic acid unites with bromine in acetic acid solution by a rapid termolecular ...
Page 890
... addition for м / 80 - reactants + mol . of acid in acetic acid at 24 ° . k2 ( x = 20 ) HCIO . 7.3 HBr . ~ 300 H2SO 3.4 HCI . 24 HNO ,. ~ 0.8 The considerable catalysis by hydrobromic acid is attributed to the formation of HBr ,, an ...
... addition for м / 80 - reactants + mol . of acid in acetic acid at 24 ° . k2 ( x = 20 ) HCIO . 7.3 HBr . ~ 300 H2SO 3.4 HCI . 24 HNO ,. ~ 0.8 The considerable catalysis by hydrobromic acid is attributed to the formation of HBr ,, an ...
Page 892
... addition of bromine to coumarin has been reported , and is now confirmed for addition of chlorine in acetic acid solution ( cinnamic acid , k , at 24 ° With phenylpropiolic acid derivatives such steric hindrance is not to be expected ...
... addition of bromine to coumarin has been reported , and is now confirmed for addition of chlorine in acetic acid solution ( cinnamic acid , k , at 24 ° With phenylpropiolic acid derivatives such steric hindrance is not to be expected ...
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