[Chemical constituents of Scrophularia ningpoensis root].

OBJECTIVE:To investigate the chemical constituents from Scrophularia ningpoensis root. METHODS:The compounds were isolated and purified by silica gel and Sephadex LH-20 column chromatography. The structures of these compounds were elucidated on the basis of spectroscopic analysis. RESULTS:Eleven compounds were isolated and identified as vanillin (1), eugenol (2), isoeugenol methyl ether(3), ferulic acid(4), benzoic acid(5), syringic acid(6) ,rhamnopyranosyl vanilloyl(7), syringic acid-4-O-alpha-L-rhamnopyr-anoside(8), beta-sitosterol(9), adenosine (10) and dibutyl phthalate(11). CONCLUSION:Compound 1-3 and 6-8 are obtained from this plant for the first time.