New guaiane sesquiterpenes and furanocoumarins from Notopterygium incisum.
In addition to twenty-nine known compounds, two new guaiane sesquiterpenes and two new furanocoumarins were isolated from the chloroform extract of the rhizomes of Notopterygium incisum. The new structures were elucidated by means of spectroscopic methods including 2 D NMR techniques and mass spectrometry to be 8 beta-acetoxy-4 alpha,6 alpha-dihydroxy-1 alpha,5 alpha( H)-guai-9-ene (incisumdiol A, 1), 4 alpha,6 alpha-dihydroxy-1 alpha,5 alpha( H)-guai-9-ene (incisumdiol B, 2), 5-[(2 E,5 Z)-7-hydroxy-3,7-dimethyl-2,5-octadienoxy]psoralene ( 3) and 5-[(2,5)-epoxy-3-hydroxy-3,7-dimethyl-6-octenoxy]psoralene ( 4).
Wu
Shi-Biao
SB
Key Laboratory of Brain Functional Genomics, East China Normal University, Shanghai, P. R. China.
Zhao
Yun
Y
Fan
Hui
H
Hu
Ying-He
YH
Hamann
Mark T
MT
Peng
Jiang-Nan
JN
Starks
Courtney M
CM
O'Neil-Johnson
Mark
M
Hu
Jin-Feng
JF
D019661:Apiaceae / Q000737:chemistry*; D011564:Furocoumarins / Q000737:chemistry / Q000302:isolation & purification*; D015394:Molecular Structure; D027343:Rhizome / Q000737:chemistry; D045789:Sesquiterpenes, Guaiane / Q000737:chemistry / Q000302:isolation & purification*
D011564:Furocoumarins; D045789:Sesquiterpenes, Guaiane