Methyl 2-butyl-4-hydroxy-1,1-dioxo-2H-1,2-benzothiazine-3-carboxylate

Abstract

In the title compound, C14H17NO5S, the thiazine ring adopts a half-chair conformation. The molecule exhibits an intramolecular O—H...O hydrogen bond, which forms a six-membered S(6) ring motif. The planes of the benzene and thiazine rings are inclined at a dihedral angle of 15.30 (12)°.