1. (2S*,3S*,3aS*,6S*,7aR*)-3-Hy-droxy-2-[(2R*,3S*)-3-isopropyl-oxiran-2-yl]-3,6-dimethyl-3,3a,5,6,7,7a-hexa-hydro-1-benzofuran-4(2H)-one
Mingruo Ding, Qiaoyin Zhang, Lei Chen, Nianyu Huang, Junzhi Wang Acta Crystallogr Sect E Struct Rep Online. 2012 Oct 1;68(Pt 10):o2949. doi: 10.1107/S1600536812038470. Epub 2012 Sep 19.
In the title compound, C(15)H(24)O(4), the six-membered ring shows a distorted chair conformation and the five-membered ring adopts an envelope conformation with the C atom bearing the methyl and OH groups as the flap. In the crystal, O-H⋯O hydrogen bonds link the mol-ecules into chains running along the a-axis direction.