Chemical constituents of Phlomis medicinalis(Ⅲ) / 中草药

Objective To study the chemical constituents of Phlomis medicinalis.Methods The constituents were isolated and purified by various modern chromatography techniques and the structures were elucidated by physicochemical properties and spectral analyses.Results Ten compounds were obtained and elucidated as 1-dehydroxyshanzhigenin methyl ester(Ⅰ),notohamosin A(Ⅱ),verbascoside(Ⅲ),3,4-dihydroxyphenyl ethanol(Ⅳ),succinic acid(Ⅴ),sucrose(Ⅵ),2,6-difructose(Ⅶ),butyl-?-D-fructopyanoside(Ⅷ),D-glucose(Ⅸ),and D-fructose(Ⅹ).Conclusion All the compounds are isolated from this plant for the first time,compound Ⅱ is obtained from the plants of Phlomis Linn.for the first time,and compound Ⅰ is a new one.