Acta Cryst. (2005). E61, o2918-o2920  [ doi:10.1107/S1600536805025559 ]

4-[(4-Hydroxy-3-methoxybenzylidene)amino]-1,5-dimethyl-2-phenyl-1,2-dihydropyrazol-3-one

P. Wen

Abstract: In the crystal structure of the title compound, C₁₉H₁₉N₃O₃, the benzene ring substituted by hydroxy and methoxy groups is essentially coplanar with the pyrazoline ring [dihedral angle = 12.9 (2)°], whereas the phenyl ring bonded directly to the pyrazoline ring forms a dihedral angle of 50.4 (3)°.

Online 17 August 2005

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