title: Erimopyrone, a Lignan Derivative from the Liverwort Moerckia erimona.
abstract: The new lignan derivative, erimopyrone, was isolated from the liverwort, Moerckia erimona. Its structure was established as [1R, 2S]-1(6-carboxy-2-oxo-2H-4-pyranyl)- 6,7-dihydroxy-1,2-dihydro-2,3-naphthalenedicarboxylic acid by spectroscopic methods.
authors.affiliation: a Department of Bioresource Science, Obihiro University of Agriculture and Veterinary Medicine.
authors.forename: H
authors.initials: H
authors.lastname: Tazaki
authors.affiliation: a Department of Bioresource Science, Obihiro University of Agriculture and Veterinary Medicine.
authors.forename: T
authors.initials: T
authors.lastname: Hayashida
authors.affiliation: a Department of Bioresource Science, Obihiro University of Agriculture and Veterinary Medicine.
authors.forename: M
authors.initials: M
authors.lastname: Ito
authors.affiliation: a Department of Bioresource Science, Obihiro University of Agriculture and Veterinary Medicine.
authors.forename: S
authors.initials: S
authors.lastname: Minoshima
authors.affiliation: b Natural History Museum & Institute, Chiba.
authors.forename: T
authors.initials: T
authors.lastname: Furuki
authors.affiliation: a Department of Bioresource Science, Obihiro University of Agriculture and Veterinary Medicine.
authors.forename: K
authors.initials: K
authors.lastname: Nabeta
keywords: Hepaticae; Moerckia erimona; erimopyrone; jamesopyrone; lignan