Acta Crystallographica Section E

Structure Reports Online

Volume 69, Part 6 (June 2013)

organic compounds

Acta Cryst. (2013). E69, o938-o939    [ doi:10.1107/S1600536813013524 ]

(1R,2S,4S,4aS,8S,8aS)-4-Hy­droxy-8,8a-dimethyl-10-oxo-2,3,4,7,8,8a-hexa­hydro-1H-4a,1-(ep­oxy­methano)­naphthalen-2-yl acetate

O. Selaïmia-Ferdjani, C. Bidjou-Haiour, A. Planchat and M. Pipelier

Abstract: The title compound, C15H20O5, presents a bis­norsesquiterpene skeleton, with a trans-deca­line backbone constrained by the lactone bridge. The [alpha]-hy­droxy substituent and the methyl group belonging to the two deca­line rings are in axial positions, whereas the other methyl group and the acyl group occupy the sterically preferred equatorial positions. The mol­ecular structure is stabilized by an intra­molecular C-H...O hydrogen bond. In the crystal, mol­ecules are linked into chains along [010] by O-H...O hydrogen bonds

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