Abstract
In the title compound, C12H15NO6S, the aromatic ring is oriented at dihedral angles of 64.76 (11) and 56.42 (13)° with respect to the planar methyl ester unit and the SO2 group, respectively. The dihedral angle between the SO2 group and the planar methoxycarbonylmethyl group is 50.42 (14)°. Intramolecular C—H⋯O hydrogen bonding results in the formation of an eight-membered ring. In the crystal structure, intermolecular C—H⋯O hydrogen bonds link the molecules.
Highlights
C12H15NO6S, the aromatic ring is oriented at dihedral angles of 64.76 (11) and 56.42 (13) with respect to the planar methyl ester unit and the SO2 group, respectively
We are engaged in the syntheses of various derivatives of benzothiazine molecule (Arshad et al, 2008; Shafiq et al, 20082008a,b)
We report the crystal structure of the title compound, (I), which is used as an intermediate for further syntheses
Summary
R factor = 0.040; wR factor = 0.098; data-to-parameter ratio = 19.3. Symmetry codes: (i) x 12; y þ 12; z; (ii) x þ 12; y; z 12. C12H15NO6S, the aromatic ring is oriented at dihedral angles of 64.76 (11) and 56.42 (13) with respect to the planar methyl ester unit and the SO2 group, respectively. The dihedral angle between the SO2 group and the planar methoxycarbonylmethyl group is 50.42 (14). Intramolecular C—H O hydrogen bonding results in the formation of an eight-membered ring. Intermolecular C—H O hydrogen bonds link the molecules
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