title: Four new furanone-coumarins from Clausena excavata.
abstract: Four new furanone-coumarins, clauslactones-N (4), -O (5), -P (6) and -Q (7) were isolated from the leaves and twigs of Clausena excavata BURM. f. (Rutaceae) collected in Indonesia and their structures were elucidated by spectroscopic analysis.
authors.affiliation: Faculty of Pharmaceutical Sciences, Mukogawa Women's University, Nishinomiya, Hyogo, Japan.
authors.forename: Y
authors.initials: Y
authors.lastname: Takemura
authors.forename: K
authors.initials: K
authors.lastname: Nakamura
authors.forename: T
authors.initials: T
authors.lastname: Hirusawa
authors.forename: M
authors.initials: M
authors.lastname: Ju-ichi
authors.forename: C
authors.initials: C
authors.lastname: Ito
authors.forename: H
authors.initials: H
authors.lastname: Furukawa
mesh_terms: D015107:4-Butyrolactone / Q000031:analogs & derivatives* / Q000737:chemistry; D003374:Coumarins / Q000737:chemistry*; D009682:Magnetic Resonance Spectroscopy; D008956:Models, Chemical; D010936:Plant Extracts / Q000737:chemistry*
chemical_list: D003374:Coumarins; D010936:Plant Extracts; D015107:4-Butyrolactone