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(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

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