Studies on chemical constituents of Paederia scandense

Objective:To study the chemical constituents of Paederia scandense.Method:The constituents are isolated and purified by silica gel,reversed-phase column chromatography and Sephadex LH-20 etc.Their structures are elucidated by physicochemical properties and spectral analysis.Result:Five compounds are obtained and identified as rubiadin-1-methylether(1),daucosterol(2),borassoside E(3),isoscopoletin(4),paederoside(5).Conclussion:The compound 3 is isolated from this plant for the first time.