title: Anthriscifolcine A, a C18-diterpenoid alkaloid.
abstract: The title compound, C(26)H(39)NO(7), which was isolated from Delphinium anthriscifolium var. majus, has a lycoctonine carbon skeleton containing four six-membered rings (A, B, D and E) and three five-membered rings (C, F and G). Rings A, B and E adopt chair conformation, while ring D adopts a boat conformation. Rings C and F adopt envelope conformations.
authors.forename: Zhi-Jun
authors.initials: ZJ
authors.lastname: Song
authors.forename: Wei-Quan
authors.initials: WQ
authors.lastname: Chen
authors.forename: Xiao-Ying
authors.initials: XY
authors.lastname: Du
authors.forename: Yun-Fei
authors.initials: YF
authors.lastname: Yuan
authors.forename: Han-Hong
authors.initials: HH
authors.lastname: Xu