Sentence Examples


  • CO 2 R C02R It may also be prepared by heating the anhydride of y-methyloxyglutaric acid with concentrated sulphuric acid, and by oxidation of methyl heptenone and of geraniol.
  • It can be obtained by the oxidation of uric acid by means of lead dioxide, manganese dioxide, ozone or potassium permanganate: C 5 H 4 N 4 O 3 + H 2 O + O = C 4 H 6 N 4 O 3 + C02.
  • On oxidation with potassium permanganate it is converted into acetyl urea, together with other products.
  • Claus, Ber., 1873, 6, p. 723); by passing aniline vapour over lead oxide, or by the oxidation of dihydrophenazine, which is prepared by heating pyrocatechin with orthophenylene diamine (C. Ris, Ber., 1886, 19, p. 2206).
  • Hinsberg, Ann., 1887, 2 37, p. 340); by the oxidation of an ortho-diamine in the presence of a-naphthol (0.

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