Phytochemical investigation of the acetone extract of the aerial parts of Onopordum illyricum L. afforded five known sesquiterpenoids: compounds 3 and 4 already isolated from O. illirycum, and 8α-[4’-hydroxymethacryloyloxy]-sonchucarpolide (1), 8α-[4’-hydroxymethacryloyloxy]-4-epi-sonchucarpolide (2) and 8-(4’-hydroxymethacryloyl)-dehydromelitensin (5), not previously detected in this species. Compounds 4 and 5 showed moderate antifeedant activity against larvae of Spodoptera littoralis.
Rosselli, S., Maggio, A.M., Canzoneri, M., Simmonds, M., Bruno, M. (2012). Sesquiterpenes from Onopordum illyricun and their antifeedant activity. NATURAL PRODUCT COMMUNICATIONS, 7(7), 1131-1132 [10.1177/1934578X1200700904].
Sesquiterpenes from Onopordum illyricun and their antifeedant activity
ROSSELLI, Sergio;MAGGIO, Antonella Maria;BRUNO, Maurizio
2012-01-01
Abstract
Phytochemical investigation of the acetone extract of the aerial parts of Onopordum illyricum L. afforded five known sesquiterpenoids: compounds 3 and 4 already isolated from O. illirycum, and 8α-[4’-hydroxymethacryloyloxy]-sonchucarpolide (1), 8α-[4’-hydroxymethacryloyloxy]-4-epi-sonchucarpolide (2) and 8-(4’-hydroxymethacryloyl)-dehydromelitensin (5), not previously detected in this species. Compounds 4 and 5 showed moderate antifeedant activity against larvae of Spodoptera littoralis.
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