A new phenylethanoid glucoside from Lagotis brevituba / 中国中药杂志

ABSTRACT

<p><b>OBJECTIVE</b>To study the chemical constituents of Lagotis brevituba.</p><p><b>METHOD</b>The chemical constituents were isolated and purified by silica gel column chromatography, polyamide column chromatography, and semi-preparative HPLC, and their structures were elucidated on the basis of analysis of IR,NMR, 2D-NMR, and MS spectra.</p><p><b>RESULT</b>Two compounds were obtained and were identified as phenylethanoid glucosides, lagotiside A (1) and acteoside (2), respectively.</p><p><b>CONCLUSION</b>Compound 1 is a new compound and named as lagotiside A.</p>