title: A new pimarane from Mitrephora tomentosa.
abstract: A new diterpenoid named (-)-8beta-hydroxypimar-15-en-18-oic acid was isolated, along with (-)-kaur-16-en-19-oic acid, 13,14-dihydrooropheic acid and beta-sitosterol, from the bark of Mitrephora tomentosa.
authors.affiliation: Department of Pharmacognosy, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok 10330, Thailand.
authors.forename: Butsarakham
authors.initials: B
authors.lastname: Supudompol
authors.forename: Tanawat
authors.initials: T
authors.lastname: Chaowasku
authors.forename: Kiattawon
authors.initials: K
authors.lastname: Kingfang
authors.forename: Kobkoon
authors.initials: K
authors.lastname: Burud
authors.forename: Sumphan
authors.initials: S
authors.lastname: Wongseripipatana
authors.forename: Kittisak
authors.initials: K
authors.lastname: Likhitwitayawuid
mesh_terms: D045784:Abietanes; D029061:Annonaceae; D004224:Diterpenes / Q000737:chemistry*; D006801:Humans; D009682:Magnetic Resonance Spectroscopy; D008517:Phytotherapy; D024301:Plant Bark; D010936:Plant Extracts / Q000737:chemistry
chemical_list: D045784:Abietanes; D004224:Diterpenes; D010936:Plant Extracts; C433018:pimarane