title: Two new C19-diterpenoid alkaloids from Aconitum straminiflorum.
abstract: Two new C19-diterpenoid alkaloids, straconitines A (1) and B (2), were isolated from the roots of Aconitum straminiflorum. Their structures were elucidated as 14-benzoylducloudine D (1) and 6-hydroxy-14-benzoylducloudine D (2) based on spectroscopic analysis, including IR, ESI-MS, HR-ESI-MS, 1D, and 2D NMR.
authors.affiliation: a Central Laboratory , The No. 1 Affiliated Hospital of Yunnan University of Traditional Chinese Medicine , Kunming 650021 , China.
authors.forename: Yan
authors.initials: Y
authors.lastname: Qi
authors.affiliation: b School of Agriculture , Yunnan University , Kunming 650091 , China.
authors.forename: Da-Ke
authors.initials: DK
authors.lastname: Zhao
authors.affiliation: c College of Agriculture and Biotechnology , Yunnan Agricultural University , Kunming 650201 , China.
authors.forename: Shu-Hui
authors.initials: SH
authors.lastname: Zi
authors.affiliation: c College of Agriculture and Biotechnology , Yunnan Agricultural University , Kunming 650201 , China.
authors.forename: Li-Mei
authors.initials: LM
authors.lastname: Zhang
authors.affiliation: c College of Agriculture and Biotechnology , Yunnan Agricultural University , Kunming 650201 , China.
authors.forename: Cheng-Xing
authors.initials: CX
authors.lastname: Guo
authors.affiliation: c College of Agriculture and Biotechnology , Yunnan Agricultural University , Kunming 650201 , China.
authors.forename: Gui-Qiong
authors.initials: GQ
authors.lastname: Li
authors.affiliation: d Yunnan Research Center on Good Agricultural Practice for Dominant Chinese Medicinal Materials , Yunnan Agricultural University , Kunming 650201 , China.
authors.forename: Jun-Ju
authors.initials: JJ
authors.lastname: Xun
authors.affiliation: c College of Agriculture and Biotechnology , Yunnan Agricultural University , Kunming 650201 , China.
authors.forename: Yong
authors.initials: Y
authors.lastname: Shen
mesh_terms: D000157:Aconitine / Q000737:chemistry; D031841:Aconitum / Q000737:chemistry*; D000470:Alkaloids / Q000737:chemistry / Q000302:isolation & purification*; D004224:Diterpenes / Q000737:chemistry / Q000302:isolation & purification*; D004365:Drugs, Chinese Herbal / Q000737:chemistry / Q000302:isolation & purification*; D015394:Molecular Structure; D019906:Nuclear Magnetic Resonance, Biomolecular; D018517:Plant Roots / Q000737:chemistry
chemical_list: D000470:Alkaloids; D004224:Diterpenes; D004365:Drugs, Chinese Herbal; C000609832:straconitine A; C000609833:straconitine B; D000157:Aconitine
keywords: Aconitum straminiflorum; Ranunculaceae; diterpenoid alkaloids; straconitines A and B