6β-Acetoxy-1α,7β,11β,15β-tetrahydroxy-7α,20-epoxy-ent-kaur-16-ene
Fu-Lin Yan, Peng Li, Xue-Mei Di and 2 more
Acta Crystallographica Section E · 2010
doi:10.1107/s1600536810000231 (opens in a new tab)
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Abstract
The title compound, C22H32O7, a natural ent-kaurane diterpenoid also referred to as Maoyecrystal F, was obtained from the medicinal plant Isodon nervosa. There are four rings with the expected cis and trans junctions. Cyclohexane ring A adopts a chair conformation, rings B and C adopt boat conformations, while the five-membered ring has an envelope conformation. The molecules stack along the a axis in the crystal and are linked together by intermolecular O—H...O hydrogen bonds.
Abstract licence: CC BY
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