Acta Cryst. (2005). E61, o1629-o1630  [ doi:10.1107/S1600536805014182 ]

Ethyl 2-{[(1Z)-(3-methyl-5-oxo-1-phenyl-1,5-dihydropyrazol-4-ylidene)(phenyl)methyl]amino}-3-phenylpropanoate

X. Zhang, H.-L. Zhu, H.-Z. Xu and M. Dong

Abstract: In the title compound, C₂₈H₂₇N₃O₃, the pyrazolone ring and the N atom of the 2-amino-3-phenylpropanoate group are essentially coplanar. The compound is in an enamine-keto form and its structure is stabilized by one strong intramolecular N-HO hydrogen bond.

Online 14 May 2005

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