title: A new phytosterone from Cyanotis arachnoidea.
abstract: From Cyanotis arachnoidea C.B. Clarke, a new phytosterone named cyanosterone A (1), along with three known compounds--beta-ecdysone (2), ajugasterone C (3) and beta-sitosterol (4) were isolated. The structure of the new compound was determined as 3beta,14alpha,20R,22R-tetrahydroxy-5alpha-cholest-7-en-6-one on the basis of physicochemical properties and spectral analysis.
authors: Research Department of Natural Medicine, Shenyang Pharmaceutical University, China.
authors: Cheng-Yu
authors: CY
authors: Tan
authors: Jin-Hui
authors: JH
authors: Wang
authors: Hui
authors: H
authors: Zhang
authors: Xian
authors: X
authors: Li
mesh_terms: D029001:Herbal Medicine; D009682:Magnetic Resonance Spectroscopy; D019684:Magnoliopsida / Q000737:chemistry*; D015394:Molecular Structure; D010840:Phytosterols / Q000737:chemistry / Q000302:isolation & purification*
chemical_list: D010840:Phytosterols; C467124:cyanosterone A