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Acta Cryst. (2013). E69, o1224  [ doi:10.1107/S1600536813017935 ]

2,3-Trimethylene-7,8-dihydropyrrolo[1,2-a]thieno[2,3-d]pyrimidin-4(6H)-one

K. Bozorov, B. Elmuradov, K. Shakhidoyatov, H. A. Aisa and B. Tashkhodjaev

Abstract: The title molecule, C12H12N2OS, is planar, with an r.m.s. deviation of 0.04 Å. In the crystal, the N atom adjacent to the carbonyl group is sp2-hybridized. The crystal structure is stabilized by [pi]-[pi] stacking interactions observed between thiophene and pyrimidinone rings of c-glide-related molecules [centroid-centroid distance = 3.9554 (13) Å] and by C-H...[pi] interactions, forming an infinite chain along the c-axis direction.


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