Acta Crystallographica Section E (Jan 2008)
3-[(Hydroxy)(4-isopropoxy-2-methoxyphenyl)methylene]-1-isopropylpyrrolidine-2,4-dione
Abstract
The title compound, C18H23NO5, a potential herbicide, has an enol group that is intramolecularly hydrogen bonded to a keto O atom. The dihedral angle between the six-membered ring formed by the enol group and the aromatic benzene ring is 53.35 (6)°.