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Corymbolone.

ABSTRACT: The title compound, C15H24O2 [systematic name: (4S,4aR,6R,8aR)-4a-hy-droxy-4,8a-dimethyl-6-(prop-1-en-2-yl)octahydro-naphthalen-1(2H)-one], features two edge-shared six-membered rings with the hydroxyl and methyl substituents at this bridge being trans. One adopts a flattened chair conformation with the C atoms bearing the carbonyl and methyl substituents lying 0.5227?(16) and 0.6621?(15)?Å, respectively, above and below the mean plane through the remaining four C atoms (r.m.s. deviation = 0.0145?Å). The second ring, bearing the prop-1-en-2-yl group, has a chair conformation. Supra-molecular helical chains along the b axis are found in the crystal packing, which are sustained by hy-droxy-carbonyl O-H?O hydrogen bonding.

SUBMITTER: Burrett S 

PROVIDER: S-EPMC4120577 | biostudies-literature | 2014 Jul

REPOSITORIES: biostudies-literature

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Corymbolone.

Burrett Stacey S   Taylor Dennis K DK   Tiekink Edward R T ER  

Acta crystallographica. Section E, Structure reports online 20140611 Pt 7

The title compound, C15H24O2 [systematic name: (4S,4aR,6R,8aR)-4a-hy-droxy-4,8a-dimethyl-6-(prop-1-en-2-yl)octahydro-naphthalen-1(2H)-one], features two edge-shared six-membered rings with the hydroxyl and methyl substituents at this bridge being trans. One adopts a flattened chair conformation with the C atoms bearing the carbonyl and methyl substituents lying 0.5227 (16) and 0.6621 (15) Å, respectively, above and below the mean plane through the remaining four C atoms (r.m.s. deviation = 0.014  ...[more]