[New beta-carboline alkaloids contained in Psammosilene tunicoides].
Maneno muhimu
Kikemikali
OBJECTIVE
To study the chemical constituents of Psammosilene tunicoides.
METHODS
The two chemical constituents were separated by various chromatographic methods, and their structures were identified on the basis of spectroscopic analysis.
RESULTS
Two beta-carboline alkaloids were separated from normal butanol fraction of P. tunicoides, and identified as 1-acetyl-3-methoxycarbonyl-beta-carboline (1) and 1-acetyl-3-methoxycarbonyl-4-hydroxyl-beta-carboline (2).
CONCLUSIONS
Compound 1 is separated from this plant as natural products for the first time, and compound 2 was a new compound.