(1S*,2S*,5R*,8S*,11S*,14R*,17S*,20R*)-14-Methyl-6-methyl­ene-10,16,18-trioxa­hexa­cyclo­[12.5.1.1(5,8).0(1,11).0(2,8).0(17,20)]henicosane-7,9-dione: natural diter­penoid macrocalyxoformin B

The title compound, C(20)H(24)O(5), isolated from Rabdosia var. lophanthoides Hara, is built up from six fused rings. Cyclo­hexane ring A adopts a chair conformation, ring B exists in a screw-boat conformation and ring C adopts a boat conformation; the three five-membered rings D, E and F adopt enve...

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Detalles Bibliográficos
Autor principal: Shi, Hao
Formato: Texto
Lenguaje:English
Publicado: International Union of Crystallography 2007
Materias:
Organic Papers
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2915036/
https://www.ncbi.nlm.nih.gov/pubmed/21200956
http://dx.doi.org/10.1107/S1600536807060692

Internet

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2915036/
https://www.ncbi.nlm.nih.gov/pubmed/21200956
http://dx.doi.org/10.1107/S1600536807060692

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