New beta-carboline alkaloids contained in Psammosilene tunicoides / 中国中药杂志

ABSTRACT

<p><b>OBJECTIVE</b>To study the chemical constituents of Psammosilene tunicoides.</p><p><b>METHOD</b>The two chemical constituents were separated by various chromatographic methods, and their structures were identified on the basis of spectroscopic analysis.</p><p><b>RESULT</b>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).</p><p><b>CONCLUSION</b>Compound 1 is separated from this plant as natural products for the first time, and compound 2 was a new compound.</p>