Acta Cryst. (2004). E60, o155-o156  [ doi:10.1107/S1600536803029258 ]

5-Methyl-2-phenyl-4-[(Z)-(2-tolylamino)phenylmethylene]pyrazol-3(2H)-one

F. Bao, X. Lü, Q. Wu, B. Kang and S. W. Ng

Abstract: The NH unit on the exocyclic C=C double bond in the title compound, C₂₄H₂₁N₃O, lies on the same side of the double bond as the carbonyl unit of the pyrazolone ring, and the two interact through an N-HO hydrogen bond [2.695  (2)  Å].

Online 10 January 2004

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