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(7aR)-1-[(2R,5S,E)-6-Hy-droxy-5,6-dimethyl-hept-3-en-2-yl]-7a-methyl-hexa-hydro-1H-inden-4(2H)-one.

Rivadulla ML, Sene M, González M, Covelo B - Acta Crystallogr Sect E Struct Rep Online (2013)

Bottom Line: The chiral title compound, C(19)H(32)O(2), contains a [4.3.0]-bicyclic moiety in which the shared C-C bond presents a trans configuration and a side chain in which the C=C double bond shows an E conformation.The conformations of five- and six-membered rings are envelope (with the bridgehead atom bearing the methyl substituent as the flap) and chair, respectively, with a dihedral angle of 4.08 (17)° between the idealized planes of the rings.The absolute configuration was established according to the configuration of the starting material.

View Article: PubMed Central - HTML - PubMed

Affiliation: Dpto. Química Orgánica, Facultade de Química, Universidade de Vigo, E-36310 Vigo, Spain.

ABSTRACT
The chiral title compound, C(19)H(32)O(2), contains a [4.3.0]-bicyclic moiety in which the shared C-C bond presents a trans configuration and a side chain in which the C=C double bond shows an E conformation. The conformations of five- and six-membered rings are envelope (with the bridgehead atom bearing the methyl substituent as the flap) and chair, respectively, with a dihedral angle of 4.08 (17)° between the idealized planes of the rings. In the crystal, the mol-ecules are self-assembled via classical O-H⋯O hydrogen bonds, forming chains along [112]; these chains are linked by weak non-classical C-H⋯O hydrogen bonds, giving a two-dimensional supra-molecular structure parallel to (010). The absolute configuration was established according to the configuration of the starting material.

No MeSH data available.


The molecular structure of the title compound. Non-H atoms are present as displacement ellipsoids at the 30% probability level.
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Fap1: The molecular structure of the title compound. Non-H atoms are present as displacement ellipsoids at the 30% probability level.


(7aR)-1-[(2R,5S,E)-6-Hy-droxy-5,6-dimethyl-hept-3-en-2-yl]-7a-methyl-hexa-hydro-1H-inden-4(2H)-one.

Rivadulla ML, Sene M, González M, Covelo B - Acta Crystallogr Sect E Struct Rep Online (2013)

The molecular structure of the title compound. Non-H atoms are present as displacement ellipsoids at the 30% probability level.
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC3569753&req=5

Fap1: The molecular structure of the title compound. Non-H atoms are present as displacement ellipsoids at the 30% probability level.
Bottom Line: The chiral title compound, C(19)H(32)O(2), contains a [4.3.0]-bicyclic moiety in which the shared C-C bond presents a trans configuration and a side chain in which the C=C double bond shows an E conformation.The conformations of five- and six-membered rings are envelope (with the bridgehead atom bearing the methyl substituent as the flap) and chair, respectively, with a dihedral angle of 4.08 (17)° between the idealized planes of the rings.The absolute configuration was established according to the configuration of the starting material.

View Article: PubMed Central - HTML - PubMed

Affiliation: Dpto. Química Orgánica, Facultade de Química, Universidade de Vigo, E-36310 Vigo, Spain.

ABSTRACT
The chiral title compound, C(19)H(32)O(2), contains a [4.3.0]-bicyclic moiety in which the shared C-C bond presents a trans configuration and a side chain in which the C=C double bond shows an E conformation. The conformations of five- and six-membered rings are envelope (with the bridgehead atom bearing the methyl substituent as the flap) and chair, respectively, with a dihedral angle of 4.08 (17)° between the idealized planes of the rings. In the crystal, the mol-ecules are self-assembled via classical O-H⋯O hydrogen bonds, forming chains along [112]; these chains are linked by weak non-classical C-H⋯O hydrogen bonds, giving a two-dimensional supra-molecular structure parallel to (010). The absolute configuration was established according to the configuration of the starting material.

No MeSH data available.