Quarterly Journal of the Chemical Society of London |
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Page 181
... cyclisation of the corresponding 2- ( 4 ' - butylbenzoyl ) benzoic acid with 20 % fuming sulphuric acid at 95 ° and 100 ° , respectively . 2 - isoPropylanthraquinone is obtained similarly in 33 % yield , but the method of ring closure ...
... cyclisation of the corresponding 2- ( 4 ' - butylbenzoyl ) benzoic acid with 20 % fuming sulphuric acid at 95 ° and 100 ° , respectively . 2 - isoPropylanthraquinone is obtained similarly in 33 % yield , but the method of ring closure ...
Page 189
... cyclisation of the dibasic acid was achieved by Stobbe and Vieweg ( Ber . , 1902 , 35 , 1727 ) , who obtained 1 - keto- 3 - phenylindene - 2 - acetic acid , which was cyclised by Borsche ( loc . cit . ) to 2 - hydroxy - 3 : 4 ...
... cyclisation of the dibasic acid was achieved by Stobbe and Vieweg ( Ber . , 1902 , 35 , 1727 ) , who obtained 1 - keto- 3 - phenylindene - 2 - acetic acid , which was cyclised by Borsche ( loc . cit . ) to 2 - hydroxy - 3 : 4 ...
Page 456
... cyclisation reaction mixture . The thioamides used were thiourea and thioacetamide , which yielded thiazoles where R NH , and Me respectively . An extension of the Hantzsch synthesis employing S - alkyldi- thiocarbamates ( Buchman ...
... cyclisation reaction mixture . The thioamides used were thiourea and thioacetamide , which yielded thiazoles where R NH , and Me respectively . An extension of the Hantzsch synthesis employing S - alkyldi- thiocarbamates ( Buchman ...
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