2-Methyl-4,4-dioxo-N-phenyl-5,6-dihydro-1,4-oxathiine-3-carboxamide (Oxycarboxin)

2-Methyl-4,4-dioxo-N-phenyl-5,6-dihydro-1,4-oxathiine-3-carboxamide (Oxycarboxin)

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In the title compound, C12H13NO4S, a PCA hats systemic fungicide, the heterocycle adopts a lounge chair conformation and the dihedral angle between the ring planes is 25.8 (2)°.Intermolecular C—H.

O hydrogen bonds are noted in the crystal structure.Also observed is Basket Changing Mat a short interaction of a methylene hydrogen atom with the π-electron system of a phenyl ring in an adjacent molecule.