New sesquiterpenes from Ligularia macrophylla.
From the roots of Ligularia macrophylla, a bisesquiterpene, ligumacrophyllal (1), and an eremophilane sesquiterpene, ligumacrophyllatin (2) were isolated. Their structures were elucidated by 2D-NMR herein. Additionally, seven known compounds (3-9) were afforded from the plant, and compound 3 was found as natural product for the first time.
Fu
Bo
B
Institute of Organic Chemistry, State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou, P.R. China.
Zhu
Qi-Xiu
QX
Yang
Xiu-Ping
XP
Jia
Zhong-Jian
ZJ
D019659:Asteraceae / Q000737:chemistry*; D009682:Magnetic Resonance Spectroscopy; D010936:Plant Extracts / Q000032:analysis; D018517:Plant Roots / Q000737:chemistry; D010946:Plants, Medicinal / Q000737:chemistry*; D012717:Sesquiterpenes / Q000737:chemistry* / Q000302:isolation & purification; D013055:Spectrophotometry, Infrared
D010936:Plant Extracts; D012717:Sesquiterpenes