Journal of the Chemical Society, Part 1Chemical Society., 1949 |
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Page 450
... salt with ammonium benzenesulphonate . Ammonolysis of N - arylamidinium salts is surprisingly facile , and although ... salt after an hour with ammonia at 140 ° , gives a 13 % yield after 116 hours in liquid ammonia ( -33 ° ) . Since ...
... salt with ammonium benzenesulphonate . Ammonolysis of N - arylamidinium salts is surprisingly facile , and although ... salt after an hour with ammonia at 140 ° , gives a 13 % yield after 116 hours in liquid ammonia ( -33 ° ) . Since ...
Page 451
... salts are more resistant to ammonolysis ( see Table II ) and that an N - phenyl- N ' - methylbenzamidinium salt heated in ammonia at 140 ° yields as main product either an N - methylbenzamidinium salt or a benzamidinium salt according ...
... salts are more resistant to ammonolysis ( see Table II ) and that an N - phenyl- N ' - methylbenzamidinium salt heated in ammonia at 140 ° yields as main product either an N - methylbenzamidinium salt or a benzamidinium salt according ...
Page 584
... salt obtained as above , pure adenosine - 5 ′ triphosphate was prepared in the form of its triacridinium salt ( Wagner - Jauregg , Z. physiol . Chem . , 1936 , 239 , 188 ) and as a second acridinium salt in which the molar ratio ...
... salt obtained as above , pure adenosine - 5 ′ triphosphate was prepared in the form of its triacridinium salt ( Wagner - Jauregg , Z. physiol . Chem . , 1936 , 239 , 188 ) and as a second acridinium salt in which the molar ratio ...
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Common terms and phrases
absorption acetic anhydride acetone added addition alkaline aluminium aluminium chloride Amer ammonia anhydride atom benzene boiling bond bromide Calc carbon catalyst CH₂ Chem chloroform colourless needles compound concentration condensation cooled crystallised crystals curve cyanide 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 removed requires residue room temperature salt separated sodium hydroxide solid soluble solution solvent stirred structure sulphate sulphide sulphone sulphuric acid thionyl chloride washed yellow yield