[Studies on chemical constituents from branch of Trema angustifolia].
OBJECTIVE
To study the chemical constituents from the branch of Trema angustifolia.


METHODS
The compounds were isolated by silica gel column chromatography, and their structures were elucidated by means of spectral analysis.


RESULTS
Six compounds were identified as beta-sitosterol (I), viminalol (II), acetylursolic acid (III), oleanolic acid (IV), paprazine (V), moupinamide (VI).


CONCLUSIONS
All the compounds were isolated from this plant for the first time.
Li
Yuan
Y
Institute of Materia Medica, Chinese Academy of Medical Sciences, Beijing 100050, China.
Qiu
Cheng
C
Zhang
Dong-ming
DM
Di
Yi
Y
D002850:Chromatography, Gel; D003373:Coumaric Acids / Q000737:chemistry / Q000302:isolation & purification*; D009828:Oleanolic Acid / Q000737:chemistry / Q000302:isolation & purification; D018547:Plant Stems / Q000737:chemistry; D010946:Plants, Medicinal / Q000737:chemistry*; D012855:Sitosterols / Q000737:chemistry / Q000302:isolation & purification; D034402:Trema / Q000737:chemistry*; D014439:Tyramine / Q000031:analogs & derivatives* / Q000737:chemistry / Q000302:isolation & purification*
D003373:Coumaric Acids; D012855:Sitosterols; C025473:gamma-sitosterol; C074004:feruloyltyramine; D009828:Oleanolic Acid; D014439:Tyramine