Phytoecdysteroid constituents from Cyanotis arachnoidea.
Four phytoecdysteroids that have only 19 or 21 carbons, named 11alpha-hydroxyrubrosterone (1), dihydroxyrubrosterone (2), rubrosterone (3) and poststerone (4), were isolated from the whole plant of Cyanotis arachnoidea C.B. Clarke. Among them, 1 was a new compound. Their structures were elucidated by spectroscopic methods.
Tan
Cheng-Yu
CY
Natural Products and Glycoconjugate Research Group, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China. tanchyu@sina.com
Wang
Jin-Hui
JH
Li
Xian
X
D034821:Commelinaceae; D026461:Ecdysteroids / Q000737:chemistry*; D006801:Humans; D009682:Magnetic Resonance Spectroscopy; D008517:Phytotherapy; D010936:Plant Extracts / Q000737:chemistry*
D026461:Ecdysteroids; D010936:Plant Extracts