Biosynthesis of Sesquiterpene Lactones in Pyrethrum (Tanacetum cinerariifolium)
Figure 3
Major sesquiterpene lactones reported for pyrethrum.
A, β-cyclopyrethrosin (1), chrysanin (2), pyrethrosin (3), dehydro-β-cyclopyrethrosin (4), chrysanolide (5) [3]. B, (11R)-11,13-dehydro-tatridin-A (6), (11-R)-6-O-β-D-glucosyl-11–13 dehydro-tatridin-B (7), (11R)-11,13-dehydro-tatridin-B (8) tatridin-A (9), and tatridin-B (10) [4].