Acta Cryst. (2010). E66, o1957  [ doi:10.1107/S1600536810026115 ]

N-[2-(3-Methyl-1-oxo-1,2-dihydropyrrolo[1,2-a]pyrazin-2-yl)ethyl]methanesulfonamide

S. T. Khan, P. Yu, S. Chantrapromma, N. Afza and A. Nelofar

Abstract: In the title compound, C₁₁H₁₅N₃O₃S, the dihedral angle between the five- and six-membered rings is 1.13 (18)°. The ethylmethanesulfonamide group is in a (+)synclinal conformation. In the crystal, intermolecular N-HO and C-HO hydrogen-bond interactions link molecules into zigzag ribbons parallel to the b axis. The ribbons are further connected by C-H interactions.

Online 10 July 2010

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