Sentence Examples


  • From the primary amines are derived the diazo compounds and azo compounds; closely related are the hydrazines (q.v.).
  • The first class includes those substances which require no preliminary treatment, and comprises the amides and ammonium compounds, pyridines, quinolines, alkaloids, albumens and related bodies; the second class requires preliminary treatment and comprises, with few exceptions, the nitro-, nitroso-, azo-, diazoand amidoazo-compounds, hydrazines, derivatives of nitric and nitrous acids, and probably cyanogen compounds.
  • Bamberger, Ber., 1893, 26, p. 2786): CsH5N :N N :N jC COC6H5 - C6H5NH2+C6H4K C 6 H5 NH N N:C 0006H5; by the reduction of symmetrical acyl-ortho-nitrophenyl hydrazines (e.g.
  • The keto-dihydrotriazoles or triazolones are obtained by the action of hydrazines on acetyl urethane (A.
  • Chemie, 1866, 2, p. 308), on account of their ready condensation to form azo compounds and their easy reduction to hydrazines, assumed that they were substances of the type R N: N Cl.
 

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