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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).

Authors
  • Aisa, Haji Akber
  • Yong, Jian-Ping
  • Lv, Qiao-Ying
  • Wu, Tao
Type
Published Article
Journal
Acta Crystallographica Section E Structure Reports Online
Publisher
International Union of Crystallography
Publication Date
Jan 23, 2008
Volume
64
Issue
Pt 2
Identifiers
DOI: 10.1107/S1600536808001402
PMID: 21201504
Source
Medline
License
Unknown

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.

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