Two iridoid glycoside from roots of Phlomis medicinalis / 中国中药杂志

ABSTRACT

<p><b>OBJECTIVE</b>To study the chemical constituents of the roots of Phlomis medicinalis.</p><p><b>METHOD</b>The compounds were isolated and repeatedly purified by macroporous resin, silica gel column chromatography, TLC and PREP-HPLC. Their structures were elucidated by physical and chemical properties and NMR spectra.</p><p><b>RESULT</b>Two iridoid glucosides were obtained and elucidated as 7-epilamalbide (1), chlorotuberoside (2).</p><p><b>CONCLUSION</b>Compound 1 was a new compound, compound 2 was isolated from the plant for the first time.</p>