Four new secoiridoid glucosides, swertiajaposides C-F (1 - 4, resp.), were isolated from the whole plant of Swertia japonica MAKINO together with two known compounds, 8-hydroxy-10-hydrosweroside (5) and senburiside IV (6). The structures of 1 - 4 were elucidated on the basis of spectroscopic, chemical, and physicochemical evidence.
ASJC Scopus subject areas
- Drug Discovery
- Physical and Theoretical Chemistry
- Organic Chemistry
- Inorganic Chemistry