14-Hydroxy-8,14-secogammacera-7-ene-3,21-dione from the bark of Lansium domesticum Corr

In the title compound (kokosanolide B), C30H48O3, the hexahydro- and octahydronaphthalen-2-one ring systems are connected through an ethylene fragment, with a C—CH2—CH2—C torsion angle of 176.2 (2)°. The cyclohexene ring adopts a half-chair conformati...

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Bibliographic Details
Published in:Acta crystallographica. Section E, Structure reports online Structure reports online, 2010-07, Vol.66 (7), p.o1621-o1621
Main Authors: Supratman, Unang, Mayanti, Tri, Awang, Khalijah, Mukhtar, Mat Ropi, Ng, Seik Weng
Format: Article
Language:English
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Summary:In the title compound (kokosanolide B), C30H48O3, the hexahydro- and octahydronaphthalen-2-one ring systems are connected through an ethylene fragment, with a C—CH2—CH2—C torsion angle of 176.2 (2)°. The cyclohexene ring adopts a half-chair conformation, while the other six-membered rings adopt distorted chair conformations. In the crystal, adjacent molecules are linked into a zigzag chain along the b axis by O—H...O hydrogen bonds involving the hydroxy and carbonyl groups.
ISSN:1600-5368
1600-5368
DOI:10.1107/S1600536810021136