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(4R*,4aS*,4bS*,5R*,10aR*)-4-Hy-droxy-4a,5-dimethyl-2-(propan-2-yl)-1,4,4a,4b,5,6,7,8,10,10a-deca-hydro-phenan-thren-1-one.

ABSTRACT: In the title compound, C(19)H(28)O(2), the A ring adopts a chair conformation. Both the B and C rings adopt envelope conformations with the C atoms common to both rings and adjacent to the carbonyl and hydroxyl groups, respectively, lying 0.604 (3) and 0.634 (3) Å out of the mean planes defined by the remaining five C atoms of rings B and C, respectively (r.m.s. deviations = 0.0100 and 0.0157 Å, respectively). The formation of linear supra-molecular C(7) chains along the a axis mediated by hy-droxy-O-H⋯O(carbon-yl) hydrogen bonds is the most prominent feature of the crystal packing.

SUBMITTER: Caracelli I 

PROVIDER: S-EPMC3238985 | biostudies-literature | 2011 Dec

REPOSITORIES: biostudies-literature

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(4R*,4aS*,4bS*,5R*,10aR*)-4-Hy-droxy-4a,5-dimethyl-2-(propan-2-yl)-1,4,4a,4b,5,6,7,8,10,10a-deca-hydro-phenan-thren-1-one.

Caracelli Ignez I   Zukerman-Schpector Julio J   Machado André T Lousada AT   Brocksom Timothy J TJ   Ferreira M Lúcia ML   Tiekink Edward R T ER  

Acta crystallographica. Section E, Structure reports online 20111116 Pt 12

In the title compound, C(19)H(28)O(2), the A ring adopts a chair conformation. Both the B and C rings adopt envelope conformations with the C atoms common to both rings and adjacent to the carbonyl and hydroxyl groups, respectively, lying 0.604 (3) and 0.634 (3) Å out of the mean planes defined by the remaining five C atoms of rings B and C, respectively (r.m.s. deviations = 0.0100 and 0.0157 Å, respectively). The formation of linear supra-molecular C(7) chains along the a axis mediated by hy-dr  ...[more]

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