[Chemical constituents from Ajuga nipponensis].
Palabras clave
Abstracto
OBJECTIVE
To study the chemical constituents of Ajuga nipponensis.
METHODS
The chemical constituents were isolated by repeated silica gel column chromatography and their structures were elucidated by phyisochemical properties and spectral analysis.
RESULTS
Ten compounds were isolated and identified as:hexadecanoic acid(1), ajuforrestin A(2), beta-sitosterol(3), acacetin(4), apigenin(5), ajugamacrin B(6), ursolic acid(7), beta-ecdysone(8), 8-acetylharpagide(9) and daucosterol(10).
CONCLUSIONS
Compounds 1-7 and 10 are isolated from this plant for the first time.