title: [Structure of pingbeimine C].
abstract: A new C-nor-D-homosteroid alkaloid, C27H43O6N, mp 171.5-173 degrees C, named pingbeimine C, was isolated from the bulb of Fritillaria ussuriensis Maxim. On the basis of IR, MS, 1HNMR and 13CNMR spectroscopic data, particularly X-ray crystallographic analysis, structure IV has been assigned to this alkaloid.
authors.affiliation: Institute of Traditional Chinese Medicine and Materia Medica of Jilin Province, Chang Chun.
authors.forename: D M
authors.initials: DM
authors.lastname: Xu
authors.forename: C H
authors.initials: CH
authors.lastname: He
authors.forename: S Q
authors.initials: SQ
authors.lastname: Wang
authors.forename: E X
authors.initials: EX
authors.lastname: Huang
authors.forename: M L
authors.initials: ML
authors.lastname: Xu
authors.forename: X G
authors.initials: XG
authors.lastname: Wen
mesh_terms: D000470:Alkaloids / Q000302:isolation & purification*; D055598:Chemical Phenomena; D002621:Chemistry; D004365:Drugs, Chinese Herbal / Q000032:analysis*; D006718:Homosteroids / Q000302:isolation & purification*
chemical_list: D000470:Alkaloids; D004365:Drugs, Chinese Herbal; D006718:Homosteroids; C066121:pingbeimine C