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-1-yl)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⋯O hydrogen bonds. The dimers are associated into supramolecular chains along c via C—H⋯O contacts.
Highlights
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 two independent molecules are connected into a dimer via O—
The dimers are associated into supramolecular chains along c via C—H O contacts
Summary
T. Tiekinkc a Department of Chemistry, Universidade Federal de São Carlos, 13565-905 São. SP, Brazil, bChemistry Institute, São Paulo State University, UNESP, 14801-970, Araraquara, SP, Brazil, and cDepartment of Chemistry, The University of. R factor = 0.051; wR factor = 0.134; data-to-parameter ratio = 15.3. 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—. The dimers are associated into supramolecular chains along c via C—H O contacts
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