New tetranortriterpenoids from Azadirachta indica A. Juss (neem tree)

Publication Type
Contribution to conference
Authors
Kraus, W.; Cramer, R.
Year of publication
1978
Published in
Symp. Pap. -11th IUPAC Int. Symp. Chem. Nat. Prod.
Editor
Marekov, N.; Ognyanov, I.; Orahovats, A.
Pubisher
Izd. BAN , Sofia, Bulg.
Page (from - to)
390-3
Conference name
11th IUPAC Int. Symp. Chem. Nat. Prod.
Conference location
nnb
Conference date
nnb
Abstract

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.

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