title: Two new diterpenoid acids from Pinus koraiensis.
abstract: Two new diterpenoid acids were obtained from the traditional Chinese medicinal herb Pinus koraiensis. By spectral evidence, the structure of the new compounds were elucidated as 7-oxo-13beta,15-dihydroxyabiet-8(14)-en-18-oic acid (1) and 7-oxo-12alpha, 13beta,15-trihydroxyabiet-8(14)-en-18-oic acid (2), respectively.
authors.affiliation: School of Food Science and Engineer, Harbin Institute of Technology, Harbin, 150090, PR China. yangxin@hit.edu.cn
authors.forename: Xin
authors.initials: X
authors.lastname: Yang
authors.forename: Hua
authors.initials: H
authors.lastname: Zhang
authors.forename: Yingchun
authors.initials: Y
authors.lastname: Zhang
authors.forename: Ying
authors.initials: Y
authors.lastname: Ma
authors.forename: Jing
authors.initials: J
authors.lastname: Wang
mesh_terms: D004224:Diterpenes / Q000737:chemistry; D004365:Drugs, Chinese Herbal / Q000737:chemistry; D006801:Humans; D009682:Magnetic Resonance Spectroscopy; D008517:Phytotherapy; D028223:Pinus; D035261:Plant Components, Aerial; D010936:Plant Extracts / Q000737:chemistry*
chemical_list: D004224:Diterpenes; D004365:Drugs, Chinese Herbal; D010936:Plant Extracts