Bioactive Enmein-Type ent-Kaurane Diterpenoids from Isodon phyllostachys.
J Nat Prod
; 79(1): 132-40, 2016 Jan 22.
Article
en En
| MEDLINE
| ID: mdl-26757019
ABSTRACT
Thirty-two enmein-type ent-kaurane diterpenoids, including 13 new compounds, were isolated from the aerial parts of Isodon phyllostachys. Compounds 1 and 2 are the first examples of 3,206,20-diepoxyenmein-type ent-kauranoids, and the structures of these new compounds were established mainly by analyzing NMR and HREIMS data. The absolute configurations of 1 and 8 and the relative configuration of 9 were determined using single-crystal X-ray diffraction. Compounds 11, 15, 20, and 21 were active against five human cancer cell lines (HL-60, SMMC-7721, A-549, MCF-7, and SW-480), with IC50 values ranging from 1.2 to 5.0 µM. Compounds 3, 11, 15, 17, 20, 21, 25, and 29 strongly inhibited NO production in LPS-stimulated RAW264.7 cells, with IC50 values ranging from 0.74 to 4.93 µM.
Texto completo:
1
Colección:
01-internacional
Banco de datos:
MEDLINE
Asunto principal:
Medicamentos Herbarios Chinos
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Isodon
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Diterpenos de Tipo Kaurano
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Antineoplásicos Fitogénicos
Límite:
Animals
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Humans
Idioma:
En
Revista:
J Nat Prod
Año:
2016
Tipo del documento:
Article