A new phytosterone from Cyanotis arachnoidea.
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.
Tan
Cheng-Yu
CY
Research Department of Natural Medicine, Shenyang Pharmaceutical University, China.
Wang
Jin-Hui
JH
Zhang
Hui
H
Li
Xian
X
D029001:Herbal Medicine; D009682:Magnetic Resonance Spectroscopy; D019684:Magnoliopsida / Q000737:chemistry*; D015394:Molecular Structure; D010840:Phytosterols / Q000737:chemistry / Q000302:isolation & purification*
D010840:Phytosterols; C467124:cyanosterone A