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19-Benzo­yloxy-13,16-seco-ent-beyeran 13,16-lactone

The title compound, C(27)H(34)O(5), a beyerane-type diterpenoid prepared by peroxidation and benzoyl­ation of isosteviol, contains a fused six-membered ring system. The O atoms of the benzoic ester and the lactone are disordered with occupancy ratios of 0.6 (4):0.4 (4) and 0.6 (2):0.4 (2), respectiv...

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Detalles Bibliográficos
Autores principales: Cai, Jin, Zha, Xiaoming
Formato: Texto
Lenguaje:English
Publicado: International Union of Crystallography 2010
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3050127/
https://www.ncbi.nlm.nih.gov/pubmed/21522644
http://dx.doi.org/10.1107/S1600536810051561
Descripción
Sumario:The title compound, C(27)H(34)O(5), a beyerane-type diterpenoid prepared by peroxidation and benzoyl­ation of isosteviol, contains a fused six-membered ring system. The O atoms of the benzoic ester and the lactone are disordered with occupancy ratios of 0.6 (4):0.4 (4) and 0.6 (2):0.4 (2), respectively. Three cyclo­hexane rings have chair conformations, whereas the remaining lactone ring adopts a half-chair conformation.