O-methylnotopterol, a new natural product from the roots and rhizomes of Notopterygium incisum / 中国中药杂志

<p><b>OBJECTIVE</b>To study the chemical constituents of ethyl acetate-soluble fraction from methanolic extract of the roots and rhizomes of Notopterygium incisum .</p><p><b>METHOD</b>The chemical constituents were isolated and purified by various chromatographic methods, and their structures were identified by NMR and MS data analysis.</p><p><b>RESULT</b>Five compounds were obtained and identified as falcarindiol (1), 8-hydroxy-l-methoxy-( Z) -9-heptadecene-4, 6-diyn-3-one (2) angenomalin (3), scopoletin (4), O-methylnotopterol (5).</p><p><b>CONCLUSION</b>Compound 5 was a new natural product and compounds 2-4 were isolated from the roots and rhizomes of N. incisum for the first time.</p>