Journal of the Chemical Society, Part 2Chemical Society., 1949 |
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Page 1132
... catalyst . Sandmeyer had originally carried out the reaction by the addition of the diazonium solution to the ... Catalyst ( a ) . Catalyst ( b ) . 17.5 17.5 o - Nitroaniline 65 40 m - Nitroaniline 28 0 p - Nitroaniline 67 48 o ...
... catalyst . Sandmeyer had originally carried out the reaction by the addition of the diazonium solution to the ... Catalyst ( a ) . Catalyst ( b ) . 17.5 17.5 o - Nitroaniline 65 40 m - Nitroaniline 28 0 p - Nitroaniline 67 48 o ...
Page 1485
... catalyst was studied , as well as its activity in the cyclisation when only the nitrile was varied . The region of enhanced activity found indicates there is a promoter type of activity in this mixed catalyst . In the presence of the ...
... catalyst was studied , as well as its activity in the cyclisation when only the nitrile was varied . The region of enhanced activity found indicates there is a promoter type of activity in this mixed catalyst . In the presence of the ...
Page 1488
... catalytic activity being judged this way , it is seen that the mixed catalyst has the same activity as the alumina by itself . The poisoning of the catalysts has not been studied , but their activity decreased with reaction time , more ...
... catalytic activity being judged this way , it is seen that the mixed catalyst has the same activity as the alumina by itself . The poisoning of the catalysts has not been studied , but their activity decreased with reaction time , more ...
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Common terms and phrases
4-dinitrophenylhydrazone absorption acetic anhydride acetone acetyl acidified added aldehyde alkaline aluminium chloride Amer amine ammonia aniline aqueous sodium atom benzene boiling bond bromine Calc carbon catalyst CHâ‚‚ Chem chloroform citrinin colourless needles compound condensation cooled crystallised crystallised from alcohol crystals cyanide cyclisation decomp derivative dilute dissolved distilled dried electrode ester evaporated extracted with ether filtered filtrate formed colourless Found fraction gave give heated under reflux hydrochloric acid hydrogen chloride hydrolysis iodide isolated ketone lactone light petroleum b. p. m. p. and mixed methanol method methyl alcohol minutes mixed m. p. mixture molecule obtained oxide phenol phosphoric picrate potassium hydroxide precipitate prepared pyridine reaction reduced pressure requires residue resin room temperature salt separated sodium hydroxide solid soluble solution solvent specimen structure substance sulphuric acid triethylamine values washed yellow needles yield