[Studies on chemical constituents of leaves of Cassia angustifolia].
Palabras clave
Abstracto
OBJECTIVE
To study the chemical constituents of the leaves of Cassia angustifolia Vahl.
METHODS
Solvents extraction and various chromatographic methods were applied to separate and purify its constituents. The structures were elucidated on the basis of chemical evidence and spectral analysis.
RESULTS
Six compounds were obtained and identified as cholesterol (I), kampferol-3-rutinoside (II), calyxanthone (III), 3-methoxy-4-hydroxy-benzoic acid (IV), p-dimethylaminobenzaldehyde (V), 3,4-dihydroxybenzoic acid (VI).
CONCLUSIONS
Six compounds ( I -VI) are obtained from this plant for the first time.