Collect. Czech. Chem. Commun. 1994, 59, 913-928

Sesquiterpenic Lactones of Some Species of Genus Vernonia SCHREB.

Miloš Buděšínskýa, Nestor Perez Soutob and Miroslav Holuba

a Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, 166 10 Prague 6, Czech Republic
b National Center of Scientific Research, Habana, Cuba


Four species of the genus Vernonia, endemic in Cuba, have been investigated on the presence of sesquiterpenic lactones. In addition to two derivatives of lupeol, scopoletin, genkwanin and velutin, total 15 sesquiterpenic lactones have been isolated, four of which are described for the first time.