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Acta Cryst. (2012). E68, o3369
[ doi:10.1107/S1600536812045904 ]

1-(10H-phenothiazin-10-yl)ethanone

E. Tokunaga and T. Okuno

Abstract: In the title compound, C14H11NOS, the phenothiazine unit has a butterfly conformation and the central six-membered ring has a boat form. The fold angle between the benzene rings is 46.39 (7)°, which is larger than found in similar compounds, probably as a result of steric repulsion between the phenothiazine fragment and the acetyl group.


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