Lignans from stems of Sambucus williamsii / 中国中药杂志

ABSTRACT

<p><b>OBJECTIVE</b>To study the chemical constitutents of the 60% ethanol extract of the stems of Sambucus williamsii.</p><p><b>METHOD</b>Compounds were isolated and purified by Diaion D101, silica gel,Sephadex LH-20, ODS column chromatography and preparative HPLC. Their structures were identified by spectroscopic methods.</p><p><b>RESULT</b>Seven lignans were isolated and identified as erythro-guaiacylglycerol-beta-O-4'-sinapyl ether (1), 1-( 4'-hydroxy-3'-methoxyphenyl) -2- [4"-( 3-hydroxypropyl) -2", 6"-dimethoxyphenoxy] propane-1,3-diol (2), isolariciresinol (3), burselignan (4), lyoniresinol (5), 5-methoxy-isolariciresinol (6), cycloolivil (7).</p><p><b>CONCLUSION</b>All these compounds were obtained from this genus for the first time.</p>