Acta Cryst. (2008). E64, o2264  [ doi:10.1107/S1600536808035538 ]

1-Allyl-3-amino-1H-pyrazole-4-carboxylic acid

G.-C. Li, L.-Y. Wang, R. Zhu and F.-L. Yang

Abstract: The title compound, C₇H₉N₃O₂, was prepared by alkaline hydrolysis of ethyl 1-allyl-3-amino-1H-pyrazole-4-carboxylate. The crystal structure is stabilized by three types of intermolecular hydrogen bond (N-HO, N-HN and O-HN).

Online 8 November 2008

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