Secondary metabolites from Senecio minutus and Senecio boissieri: a new jacaranone derivative

Jacaranone (1), the related new dimethoxy derivative 2, and known triterpenoids were isolated from the aerial parts of Senecio minutus. The aerial parts and the rhizomes of Senecio boissieri afforded the furanoeremophilanes 3 and 4 and known triterpenoids.