A new 1,5-seco grayanotoxin from Rhododendron decorum.
A new minor 1,5-seco-5-oxo-grayanotoxin named grayanotoxin XXI (1), together with three known grayanotoxins, grayanotoxins I, IV and VIII, has been isolated from the leaves of Rhododendron decorum (Ericaceae). The structure of the new compound (1) was determined on the basis of spectroscopic data.
Zhang
Hua-Ping
HP
Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China.
Wang
Hong-Bing
HB
Wang
Li-Quan
LQ
Bao
Guan-Hu
GH
Qin
Guo-Wei
GW
D004224:Diterpenes / Q000737:chemistry / Q000302:isolation & purification*; D009682:Magnetic Resonance Spectroscopy; D029793:Rhododendron / Q000737:chemistry*; D014118:Toxins, Biological / Q000737:chemistry / Q000302:isolation & purification*
D004224:Diterpenes; D014118:Toxins, Biological; C497274:grayanotoxin XXI; C001311:grayanotoxin I