Journal of the Chemical SocietyThe Society., 1949 |
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Page 88
... presence of calcium salts in solution , p - nitroaniline has been diazotised in aqueous sulphuric acid , and , after neutralisation with calcium carbonate , the solution was neutral to Congo - red and unreactive towards starch ...
... presence of calcium salts in solution , p - nitroaniline has been diazotised in aqueous sulphuric acid , and , after neutralisation with calcium carbonate , the solution was neutral to Congo - red and unreactive towards starch ...
Page 442
... presence of a trace of sulphuric acid or by refluxing their solutions in acetic acid in presence of sulphuric or hydrobromic acid . 2 - Bromo - 2 - phenyl- 1 : 1 - di - p - hydroxyphenylethylene is readily obtained by refluxing a ...
... presence of a trace of sulphuric acid or by refluxing their solutions in acetic acid in presence of sulphuric or hydrobromic acid . 2 - Bromo - 2 - phenyl- 1 : 1 - di - p - hydroxyphenylethylene is readily obtained by refluxing a ...
Page 486
... presence of Adams's catalyst gives retronecanol , C.HON , and with Raney nickel yields platynecine , C , H150 , N . Isatinecine is reduced by zinc dust to retronecine , C , H ,, O , N , which is oxidised by hydrogen peroxide to ...
... presence of Adams's catalyst gives retronecanol , C.HON , and with Raney nickel yields platynecine , C , H150 , N . Isatinecine is reduced by zinc dust to retronecine , C , H ,, O , N , which is oxidised by hydrogen peroxide to ...
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Common terms and phrases
absorption acetic acid acetic anhydride acetone added addition alkaline aluminium aluminium chloride Amer ammonia anhydride atom benzene boiling bond bromide Calc carbon catalyst CHâ‚‚ Chem chloroform colourless needles compound concentrated condensation cooled crystallised crystals curve cyanide D.Sc decomp decomposition derivatives dilute dissolved distilled disulphide dried ester ethyl acetate ethyl alcohol ethylene evaporated extracted with ether filtered filtrate formed Found fraction gave give m. p. heated hydrochloric acid hydrogen chloride hydrolysis iodide isolated ketone kojic acid light petroleum b. p. m. p. and mixed methanol method mixed m. p. mixture molecule obtained oxide phenyl picrate potassium hydroxide precipitated prepared prisms pyridine reaction reagent reduced pressure refluxed requires residue room temperature salt separated sodium hydroxide solid soluble solution solvent stirred structure sulphate sulphide sulphone sulphuric acid thionyl chloride washed yellow yield