title: Two diketopiperazines from Acanthopanax senticosus Harms.
abstract: From the dried aerial parts of Acanthopanax senticosus, two new diketopiperazines, eleutherazines A (1) and B (2), were isolated. Their structures were elucidated on the basis of chemical and spectroscopic methods.
authors.affiliation: School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, China.
authors.forename: Zhi-Feng
authors.initials: ZF
authors.lastname: Li
authors.forename: Nan
authors.initials: N
authors.lastname: Xu
authors.forename: Bao-Min
authors.initials: BM
authors.lastname: Feng
authors.forename: Qi-Hui
authors.initials: QH
authors.lastname: Zhang
authors.forename: Yue-Hu
authors.initials: YH
authors.lastname: Pei
mesh_terms: D054659:Diketopiperazines / Q000737:chemistry / Q000302:isolation & purification*; D004365:Drugs, Chinese Herbal / Q000737:chemistry / Q000302:isolation & purification*; D028001:Eleutherococcus / Q000737:chemistry*; D015394:Molecular Structure; D019906:Nuclear Magnetic Resonance, Biomolecular
chemical_list: D054659:Diketopiperazines; D004365:Drugs, Chinese Herbal; C549258:eleutherazine A; C549257:eleutherazine B