New insect antifeedants from Meliaceae

Publication Type
Contribution to conference
Authors
Kraus, W.; Grimminger, W.; Sawitzki, G.
Year of publication
1978
Published in
Symp. Pap. - IUPAC Int. Symp. Chem. Nat. Prod., 11th
Editor
Marekov, N.; Ognyanov, I.; Orahovats, A.; Izd. BAN
Pubisher
Izd. BAN , Sofia, Bulg.
Page (from - to)
115-16
Conference name
11th IUPAC Int. Symp. Chem. Nat. Prod.
Conference location
nnb
Conference date
nnb
Abstract

The bark of Toona ciliata yielded 4 tetranortriterpenoids which have antifeeding activity toward the Mexican bean beetle Epilachna varivestis. The 4 compds. were toonacilin, 6-acetoxytoonacilin, 23-(R,S)-hydroxytoonacilide (I), and 21-(R,S)-hydroxytoonacilide(II).

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