[Studies on flavonoids from leave of Eucommia ulmoides Oliv].
OBJECTIVE
To separate the constituents from Eucommia ulmoides.


METHODS
The constituents were separated by the repeated chromatography and identified by spectral methods.


RESULTS
The seven compounds were obtained, which were kaempferol(1), quercetin(2), astragalin(3), hirsutin(4), rutin(5), 3,4-dihydrobenzonic acid(6), ethyl glucopyranoside(7).


CONCLUSIONS
Compounds 3-7 were obtained from leaves of E. ulmoides for the first time.
Cheng
J
J
School of Pharmaceutical Sciences, Beijing Medical University, Beijing 100083, China.
Zhao
Y Y
YY
Cui
Y X
YX
Cheng
T M
TM
D000470:Alkaloids / Q000737:chemistry / Q000302:isolation & purification; D031283:Eucommiaceae / Q000737:chemistry*; D005419:Flavonoids / Q000737:chemistry / Q000302:isolation & purification*; D044949:Kaempferols; D018515:Plant Leaves / Q000737:chemistry; D010946:Plants, Medicinal / Q000737:chemistry*; D012431:Rutin / Q000737:chemistry / Q000302:isolation & purification
D000470:Alkaloids; D005419:Flavonoids; D044949:Kaempferols; D012431:Rutin; C001579:astragalin; C038369:hirsutine