Acta Cryst. (2002). E58, o388-o389  [ doi:10.1107/S1600536802004336 ]

2-Méthyl-3-(3-méthyl-1H-pyrazol-5-yl)pyrido[1,2-a]pyrimidin-4-one

B. Elotmani, M. Elmahi, E. M. Essassi and M. Pierrot

Abstract: The structure of the title compound, C₁₃H₁₂N₄O, shows that the molecule adopts a flat conformation. There is an intermolecular hydrogen bond between the NH function of the pyrazole ring and the O atom of the pyridopyrimidinone group.

Online 15 mars 2002

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