Novel tetranortriterpenoids with insect antifeeding activity from neem oil
- Publikations-Art
- Zeitschriftenbeitrag
- Autoren
- Kraus, W.; Cramer, R.
- Erscheinungsjahr
- 1981
- Veröffentlicht in
- Liebigs Ann. Chem.
- Band/Volume
- 1/
- Seite (von - bis)
- 181-9
The structures of 3-deacetylsalannin I (R = H, R1 = MeCH:CMe), salannol I (R = H, R1 = Me2CHCH2), and 1,3-diacetylvilasinin (II), tetranortriterpenoids with insect antifeeding activities isolated from neem oil, were confirmed by IR and NMR spectra.