[Studies on the chemical constituents from the seed of Forsythia suspense].
Açar sözlər
Mücərrəd
OBJECTIVE
To study the chemical constituents in the seed of Forsythia suspense.
METHODS
The compounds were isolated by column chromatography on silica gel and Sephadex LH-20; Their structures were identified by spectral data and other methods.
RESULTS
Seven compounds were isolated and identified as beta-Amyrin acetate (I); 20(S)-Dammar-24-ene-3beta,20-diol-3-acetate (II); 18-nor-5a, 20s-cholanic acid, 3beta-20-dihydroxy-4,4,8, 14-tetramethyl-y-lactone, acetate (III); 20S,24S-epoxydammarane-25-ol-3alpha-yl acetate (IV); betulinic acid (V); protocatechuic acid (VI); octahydro-1H,5H-dipyrrolo[1,2-a: 1',2'-d] pyrazine (VII).
CONCLUSIONS
Compound I-VII are isolated from the seed of Forsythia suspense for the first time, and compound VII is a new natural compound.