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2-{(1S,2S,4aR,8R,8aR)-8-Hy-droxy-4a,8-dimethyl-1-[(2E)-2-methyl-but-2-eno-yl-oxy]perhydro-naphthalen-2-yl}acrylic acid from Sclerorhachis platyrachis.

ABSTRACT: The eudesmane-type terpenoid, C(20)H(30)O(5), isolated from Sclerorhachis platyrachis, has a deca-lin skeleton whose six-membered rings adopt chair conformations. The two methyl substituents occupy axial positions, whereas the other three substituents occupy equatorial positions. The hy-droxy group is an intra-molecular hydrogen-bond donor to the single-bond ester O atom; adjacent mol-ecules are linked through the carb-oxy-lic acid interacting with the hydroxyl group, forming a hydrogen-bonded chain running along the c axis.

SUBMITTER: Kheyrabadi R 

PROVIDER: S-EPMC3201322 | biostudies-literature | 2011 Oct

REPOSITORIES: biostudies-literature

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2-{(1S,2S,4aR,8R,8aR)-8-Hy-droxy-4a,8-dimethyl-1-[(2E)-2-methyl-but-2-eno-yl-oxy]perhydro-naphthalen-2-yl}acrylic acid from Sclerorhachis platyrachis.

Kheyrabadi Rasool R   Habibi Zohreh Z   Ng Seik Weng SW  

Acta crystallographica. Section E, Structure reports online 20110930 Pt 10

The eudesmane-type terpenoid, C(20)H(30)O(5), isolated from Sclerorhachis platyrachis, has a deca-lin skeleton whose six-membered rings adopt chair conformations. The two methyl substituents occupy axial positions, whereas the other three substituents occupy equatorial positions. The hy-droxy group is an intra-molecular hydrogen-bond donor to the single-bond ester O atom; adjacent mol-ecules are linked through the carb-oxy-lic acid interacting with the hydroxyl group, forming a hydrogen-bonded c  ...[more]

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