Phenanthrene constituents from rhizome of Arundina graminifolia / 中国中药杂志

ABSTRACT

<p><b>OBJECTIVE</b>To isolate and elucidate the constituents from rhizome of Arundina graminifolia.</p><p><b>METHOD</b>Theconstituents were extracted with 95% alcohol and isolated by chromatography on silica gel, Sephedax LH-20. The structures were determined by UV, IR, NMR and MS spectral analysis.</p><p><b>RESULT</b>Five phenanthrene constituents were identified as 7-hydroxy-2, 4-dimethoxy-9, 10-dihydrophenanthrene( I ), 4, 7-dihydroxy-2-methoxy-9, 10-dihydrophenanthrene ( II ), 2, 7-dihydroxy-4-methoxy-9, 10-dihydrophenanthrene ( III ), 7-hydroxy-2-methoxyphenanthrene-1,4-dione ( IV ), 7-hydroxy-2-methoxy-9, 10-dihydrophenanthrene-1,4-dione (V), respectively.</p><p><b>CONCLUSION</b>All compounds were isolated from rhizome of A. graminifolia for the first time.</p>