New tetranortriterpenoids from Azadirachta indica A. Juss (neem tree)
- Publikations-Art
- Kongressbeitrag
- Autoren
- Kraus, W.; Cramer, R.
- Erscheinungsjahr
- 1978
- Veröffentlicht in
- Symp. Pap. -11th IUPAC Int. Symp. Chem. Nat. Prod.
- Herausgeber
- Marekov, N.; Ognyanov, I.; Orahovats, A.
- Verlag
- Izd. BAN , Sofia, Bulg.
- Seite (von - bis)
- 390-3
- Tagungsname
- 11th IUPAC Int. Symp. Chem. Nat. Prod.
- Tagungsort
- nnb
- Tagungsdatum
- nnb
The azadiradiones I (R = Me, Z = .alpha.-H, .beta.-2-furyl; R = Me, Z = .alpha.-2-furyl, .beta.-OH; R = Ph, Z = .alpha.-2-furyl, .beta.-H), II, III, and IV were isolated by chromatog. from the petroleum ether exts. of neem seeds and their structures detd. by high resoln. mass spectrometry and 1H and 13C NMR.