Alen J. ; Dobrzanska L. (2008)


In the title compound, C11H9BrN2O, the mol-ecules are linked into R 2 2(8) dimers by paired N - H⋯O hydrogen bonds and these dimers are further stacked into columns along the c axis by π-π inter-actions 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.

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