(-)-Kolavenic acid
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Blackwell Publishing
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Article
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Acesso aberto
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Abstract
In the two, almost identical, molecules in the asymmetric unit of the title compound [ systematic name: (E)-3-methyl-5-(1,2,4a, 5-tetramethyl-1,2,3,4,4a,7,8,8a-octahydronaphthalen-1yl) pent-2-enoic acid], C20H32O2, the rings are trans fused. The cyclohexane ring has a chair conformation and the cyclohexene ring a distorted half-boat conformation. The two independent molecules are connected into a dimer via O-H center dot center dot center dot O hydrogen bonds. The dimers are associated into supramolecular chains along c via C-H center dot center dot center dot O contacts.
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English
Citation
Acta Crystallographica Section E-structure Reports Online. Oxford: Blackwell Publishing, v. 64, p. O1114-U2480, 2008.
