Secondary Metabolites from Phlomis kotschyana

摘要

A lignan glycoside,syringaresinol-4',4"-O-di-beta-D-glucopyranoside(1)(=liriodendrin),4 phenylethanoid glycosides,acteoside(2),isoacteoside(3),forsythoside B(4)and leucosceptoside B(5),a caffeic acid ester,chlorogenic acid(6)and 2 iridoid glucosides,lamiide(7)and auroside(8),were isolated from the methanolic extracts of the aerial parts of Phlomis kotschyana along with an acetophenone glycoside,4-hydroxyacetophenone 4-O-[6'-O-beta-D-apiofuranosyl]-beta-D-glucopyranoside(9).The structures of the isolated compounds were identified on the basis of spectroscopic(UV,IR,1D-and 2D-NMR,and FAB-MS)methods.