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(5R,8R)-2-(3,8-Dimethyl-2-oxo-1,2,4,5,6,7,8,8a-octa-hydro-azulen-5-yl)acrylic acid (rupestonic acid).

ABSTRACT: The title compound, C(15)H(20)O(3), crystallizes with two independent mol-ecules in the asymmetric unit. In both mol-ecules, the seven-membered ring adopts a chair conformation. In the crystal structure, inter-molecular O-H?O hydrogen bonds link the mol-ecules into chains extending in the [201] direction. The absolute configuration was assigned on the basis of the starting materials.

SUBMITTER: Aisa HA 

PROVIDER: S-EPMC2960231 | biostudies-literature | 2008

REPOSITORIES: biostudies-literature

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(5R,8R)-2-(3,8-Dimethyl-2-oxo-1,2,4,5,6,7,8,8a-octa-hydro-azulen-5-yl)acrylic acid (rupestonic acid).

Aisa Haji Akber HA   Yong Jian-Ping JP   Lv Qiao-Ying QY   Wu Tao T  

Acta crystallographica. Section E, Structure reports online 20080123 Pt 2

The title compound, C(15)H(20)O(3), crystallizes with two independent mol-ecules in the asymmetric unit. In both mol-ecules, the seven-membered ring adopts a chair conformation. In the crystal structure, inter-molecular O-H⋯O hydrogen bonds link the mol-ecules into chains extending in the [201] direction. The absolute configuration was assigned on the basis of the starting materials. ...[more]

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