title: 3-[(Hydr-oxy)(4-isoprop-oxy-2-methoxy-phen-yl)methyl-ene]-1-isopropyl-pyrrol-idine-2,4-dione.
abstract: The title compound, C(18)H(23)NO(5), a potential herbicide, has an enol group that is intra-molecularly 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)°.
authors.forename: Hai-Zhen
authors.initials: HZ
authors.lastname: Xu
authors.forename: You-Quan
authors.initials: YQ
authors.lastname: Zhu
authors.forename: Yu-Hong
authors.initials: YH
authors.lastname: Xiao
authors.forename: Ran
authors.initials: R
authors.lastname: Zhu