Acta Crystallographica Section E (Mar 2008)
2-Acetamido-3-(4-hydroxy-3-methoxyphenyl)acrylic acid
Abstract
In the title compound, C12H13NO5, the azlactone of vanillin, the acrylic acid side chain has a trans extended conformation. There are intermolecular N—H...O and O—H...O hydrogen bonds in the crystal structure.