A novel 3-arylcoumarin and three new 2-arylbenzofurans from Mucuna birdwoodiana.
A novel coumarin (1, mucodianin A), three new 2-arylbenzofurans (2-4, mucodianins B-D) along with four known ones were isolated from the vine stems of Mucuna birdwoodiana. Their structures were elucidated on basis of spectral analysis. This is the first report of 7-quinonylcoumarin (1) as stable form in natural products.
Gong
Ting
T
Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine, Ministry of Education & Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China.
Wang
Dong-Xiao
DX
Yang
Yan
Y
Liu
Ping
P
Chen
Ruo-Yun
RY
Yu
De-Quan
DQ
D001572:Benzofurans / Q000032:analysis* / Q000302:isolation & purification; D003374:Coumarins / Q000032:analysis* / Q000302:isolation & purification; D015394:Molecular Structure; D031299:Mucuna / Q000737:chemistry*; D018547:Plant Stems / Q000737:chemistry
D001572:Benzofurans; D003374:Coumarins; C030123:coumarin; C105430:benzofuran