Acta Cryst. (2008). E64, o547  [ doi:10.1107/S1600536808003073 ]

3-Benzyl-5-bromopyrazin-2(1H)-one

J. Alen and L. Dobrzanska

Abstract: In the title compound, C₁₁H₉BrN₂O, the molecules are linked into R₂²(8) dimers by paired N-HO hydrogen bonds and these dimers are further stacked into columns along the c axis by - interactions between pyrazinone rings [centroid-centroid distance = 3.544 Å; the dihedral angle between the planes of these rings is 7.51 (16)°]. The title compound is a precursor for agents with potential use as pharmaceuticals.

Online 6 February 2008

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