A new phytosterone named cyanosterone B (1) has been isolated from Cyanotis arachnoidea C. B. Clarke. The structure of cyanosterone B was elucidated as 3 b, 5 b, 14 a, 20 R, 22 R-pentahydroxy-cholest-7-en-6-one ...A new phytosterone named cyanosterone B (1) has been isolated from Cyanotis arachnoidea C. B. Clarke. The structure of cyanosterone B was elucidated as 3 b, 5 b, 14 a, 20 R, 22 R-pentahydroxy-cholest-7-en-6-one on the basis of spectroscopic analysis.展开更多
文摘A new phytosterone named cyanosterone B (1) has been isolated from Cyanotis arachnoidea C. B. Clarke. The structure of cyanosterone B was elucidated as 3 b, 5 b, 14 a, 20 R, 22 R-pentahydroxy-cholest-7-en-6-one on the basis of spectroscopic analysis.
