Study on the chemical constituents in herb of Hypericum attenuatum / 中国中药杂志

ABSTRACT

<p><b>OBJECTIVE</b>To study the constituents of Hypericum attenatum.</p><p><b>METHOD</b>The compounds were isolated by chromatography on silica gel, the structures were identified by their physical, chemical properties and IR, NMR and MS spectral data respectively.</p><p><b>RESULT</b>Nine compounds were isolated and identified as p-hydroxybenzoic acid (1), 6, 9-dihydroxy-4, 7-megastigmadien-3-one (2), butyl alcohol-O-alpha-D-fructoside (3), 24-ethyl-cholest-7-ene-3 beta, 5 alpha, 6 beta-thtroil (4), hexanol (5), 1 beta, 6 alpha-dihydroxyeudesmane-4(14)-ene (6), beta-sitosterol (7), 5, 5-dimethyl-4-hydroxy-tetrahydrofuran-2-one (8), beta-daucosterol (9).</p><p><b>CONCLUSION</b>All of the compounds were isolated from H. attenuatum for the first time.</p>