[Studies on chemical constituents of herbs of Oxytropis microphylla].
OBJECTIVE
To study the chemical constituents of Oxytropis microphylla.


METHODS
The compounds were isolated and purified by various column chromatographic techniques and their structures were elucidated on the basis of spectral analysis (EI-MS, 1H-NMR, 13C-NMR).


RESULTS
Eight compounds were isolated and identified as kaempferol (1), baicalein (2), 5-hydroxy-7, 8, 4'-trimethoxyflavone (3), stigmasterol (4), stigmast-4-en-3beta-ol (5), beta-sitosterol (6), lupenol (7), dehydrocostus lactone (8).


CONCLUSIONS
All compounds were isolated for the first time from this plant, compounds 2, 3, 5, and 8 were isolated for the first time from this genus.
Peng
Cheng
C
Insititute of Chemical Engineering, Northwest University for Nationalities, Lanzhou 730030, China.
Yang
Zhongduo
Z
D002851:Chromatography, High Pressure Liquid; D044950:Flavanones / Q000737:chemistry; D005419:Flavonoids / Q000737:chemistry; D044949:Kaempferols / Q000737:chemistry; D007783:Lactones / Q000737:chemistry; D033021:Oxytropis / Q000737:chemistry*; D012717:Sesquiterpenes / Q000737:chemistry; D012855:Sitosterols / Q000737:chemistry; D021241:Spectrometry, Mass, Electrospray Ionization; D013265:Stigmasterol / Q000737:chemistry; D014315:Triterpenes / Q000737:chemistry
D044950:Flavanones; D005419:Flavonoids; D044949:Kaempferols; D007783:Lactones; D012717:Sesquiterpenes; D012855:Sitosterols; D014315:Triterpenes; C083030:dehydrocostus lactone; C006680:baicalein; C025473:gamma-sitosterol; C006552:kaempferol; D013265:Stigmasterol