2-(4-Acetamidobenzenesulfonamido)-3-methylbutanoic acid

In the title compound, C13H18N2O5S, the benzene ring and the acetamide group are almost coplanar [dihedral angle = 5.6 (3)°], and the amine group projects almost vertically from this plane [C—C—S—N = −84.5 (7)°]. A short intramolecular C—H...O contact occurs. In the crystal, O—H...O, N—H...O and N—H...(O,O) hydrogen bonds lead to a three-dimensional network. One of the methyl groups of the isopropyl residue is disordered over two orientations in a 0.747 (16):0.253 (16) ratio.

Abstract licence: CC BY

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