Cassane- and norcassane-type diterpenes of Caesalpinia crista from Myanmar

Cassane- and norcassane-type diterpenes of Caesalpinia crista from Myanmar

From the CH(2)Cl(2) extract of seed kernels of Caesalpinia crista from Myanmar, five new cassane-type diterpenes, caesalpinins MA-ME (1-5), and three new norcassane-type diterpenes, norcaesalpinins MA-MC (6-8), have been isolated, together with 12 known cassane-type diterpenes, 14(17)-dehydrocaesalm...

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Veröffentlicht in:Journal of natural products (Washington, D.C.) D.C.), 2004-11, Vol.67 (11), p.1859-1863
Hauptverfasser: Kalauni, S.K, Awale, S, Tezuka, Y, Banskota, A.H, Linn, T.Z, Kadota, S
Format: Artikel
Sprache:eng
Schlagworte:
Biological and medical sciences
Caesalpinia - chemistry
Diterpenes - chemistry
Diterpenes - isolation & purification
General pharmacology
Medical sciences
Molecular Structure
Myanmar
Nuclear Magnetic Resonance, Biomolecular
Pharmacognosy. Homeopathy. Health food
Pharmacology. Drug treatments
Plants, Medicinal - chemistry
Seeds - chemistry
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Zusammenfassung:From the CH(2)Cl(2) extract of seed kernels of Caesalpinia crista from Myanmar, five new cassane-type diterpenes, caesalpinins MA-ME (1-5), and three new norcassane-type diterpenes, norcaesalpinins MA-MC (6-8), have been isolated, together with 12 known cassane-type diterpenes, 14(17)-dehydrocaesalmin F, caesaldekarin e, caesalmin B, caesalmin C, caesalmin E, 2-acetoxy-3-deacetoxycaesaldekarin e, 2-acetoxycaesaldekarin e, caesalpinin C, 7-acetoxybonducellpin C, caesalpinin E, norcaesalpinin B, and 6-acetoxy-3-deacetoxycaesaldekarin e. The structures of the isolated compounds were elucidated by analysis of their spectroscopic data.
ISSN:0163-3864
1520-6025
DOI:10.1021/np049742m