Sentence Examples


  • Substituting one hydroxyl group into each of these residues, we obtain radicals of the type - CH 2.
  • On the chromophoreauxochrome theory (the nitro group being the chromophore, and the hydroxyl the auxochrome) it is necessary in order to explain the high colour of the metallic salts and the colourless alkyl and aryl derivatives to assume that the auxochromic action of the hydroxyl group is only brought strongly into evidence by salt formation.
  • By the action of phosphorus pentachloride, the hydroxyl group is replaced by chlorine.
  • By the entrance of amino or hydroxyl groups into the molecule dyestuffs are formed.
  • When heated with concentrated hydrochloric acid the amino group is replaced by the hydroxyl group and the phenolic eurhodols are produced.
 

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