Acta Cryst. (2005). E61, o1649-o1651  [ doi:10.1107/S1600536805013140 ]

5H-2,4-Dimethyl-6-phenyl-8,9-dihydropyrido[3',2':5,6][1,2]thiazino[3,2-c][1,4]oxazin-5-one 11,11-dioxide

Z. Karczmarzyk and W. Malinka

Abstract: The structure of the title compound, C₁₈H₁₆N₂O₄S, with a new chiral pyrido[3',2':5,6][1,2]thiazino[3,2-c][1,4]oxazine ring system, is described. Both partially saturated thiazine and oxazine rings adopt diplanar conformations. The molecular packing is influenced by weak C-HO and - interactions.

Online 14 May 2005

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