A new dibenzofuran and other constituents from Ligularia caloxantha, a Chinese medicinal plant.
A new dibenzofuran named 1,2,4-trimethyl-7,8-dimethoxy-dibenzofuran (1), together with seven known compounds, euparin (2), 2,5-diacetyl-6-hydroxy-benzofuran (3), 2-acetyl-5,6-dimethoxy-benzofuran (4), gummosogenin (5), lupeol (6), stigmasterol (7) and (E)-2,5-dihydroxy-cinnamic acid (8), were isolated from the roots of Ligularia caloxantha, a Chinese medicinal plant. The structures of the compounds were elucidated by spectroscopic methods.
Department of Traditional Chinese Medicine and Natural Drug Research, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China.
Shu-Yun
SY
Shi
Ming-Hui
MH
Hu
Di-Yao
DY
Wu
Chang-Xin
CX
Zhou
Jian-Xia
JX
Mo
Juan-Hua
JH
Xu
Liu-Rong
LR
Chen
Hui
H
Dou
Hua
H
Peng
Xiao-Jiang
XJ
Hao
Joachim
J
Stöckigt
Yu
Y
Zhao
D019659:Asteraceae / Q000737:chemistry*; D001572:Benzofurans / Q000737:chemistry / Q000302:isolation & purification*; D004365:Drugs, Chinese Herbal / Q000737:chemistry*; D015394:Molecular Structure; D018517:Plant Roots / Q000737:chemistry
D001572:Benzofurans; D004365:Drugs, Chinese Herbal; C023614:dibenzofuran