Acta Cryst. (2010). E66, o1795  [ doi:10.1107/S1600536810022336 ]

Neoirietriol

H. Takahashi, Y. Takahashi, M. Suzuki, T. Abe and M. Masuda

Abstract: The title compound {systematic name: (1R,4S,4aS,7R,8aR)-4-bromo-7-[(1S,3R)-3-bromo-1,2,2-trimethylcyclopentyl]-1,4a-dimethyldecahydronaphthalene-1,7,8a-triol}, C₂₀H₃₄Br₂O₃, is a neoirieane-type bromoditerpenoid isolated from Laurencia yonaguniensis Masuda et Abe, species inedita. The absolute stereochemistry was established as (1S,4R,5R,7R,10S,11S,14R). The structure displays inter- and intramolecular O-HO hydrogen bonding.

Online 26 June 2010

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