Sesquiterpenes from the Leaves of Tithonia d iversifolia

ArticleinJournal of Natural Products 61(6):827-8 · July 1998with22 Reads
Impact Factor: 3.80 · DOI: 10.1021/np970530h · Source: PubMed


    Two new compounds, a germacrane sesquiterpene, 1-acetyltagitinin A (1), and a guaianane sesquiterpene, 8beta-isobutyryloxycumambranolide (2), were isolated from leaves of Tithonia diversifolia, together with two known compounds, methyl 3alpha-acetoxy-4alpha-hydroxy-11(13)-eudesmen-12-oa te and tagitinin A. The structures of compounds 1 and 2 were elucidated on the basis of spectral and chemical evidence.