title: A new ent-kaurane diterpenoid from Croton tonkinensis leaves.
abstract: A new ent-kaurane diterpenoid (1) was isolated from the leaves of Croton tonkinensis. The structure of 1 was determined as ent-7beta-hydroxy-15-oxokaur-16-en-18-ol from spectroscopic methods.
authors.affiliation: Institute of Chemistry, Vietnamese Academy of Science and Technology, 18 Hoang Quoc Viet Rd., Cau Giay, Hanoi, Vietnam.
authors.forename: Pham Thi Hong
authors.initials: PT
authors.lastname: Minh
authors.forename: Pham Hoang
authors.initials: PH
authors.lastname: Ngoc
authors.forename: Walter C
authors.initials: WC
authors.lastname: Taylor
authors.forename: Nguyen Manh
authors.initials: NM
authors.lastname: Cuong
mesh_terms: D029802:Croton; D004224:Diterpenes / Q000737:chemistry; D045786:Diterpenes, Kaurane / Q000737:chemistry; D006801:Humans; D009682:Magnetic Resonance Spectroscopy; D015394:Molecular Structure; D008517:Phytotherapy; D010936:Plant Extracts / Q000737:chemistry*; D018515:Plant Leaves
chemical_list: D004224:Diterpenes; D045786:Diterpenes, Kaurane; D010936:Plant Extracts