(1S,2E,6R,7aR)-2-Benzyl­idene-1,6-dihy­droxy-2,3,5,6,7,7a-hexa­hydro-1H-pyrrolizin-3-one

In the title compound, C(14)H(15)NO(3), the conformation of the double bond was determined to be E, confirming the result obtained from two-dimensional NMR data. The five-membered rings of the pyrrolizine unit exhibit C-envelope conformations, with C atoms displaced from the mean planes formed by the remaining rings atoms by 0.1468 (15) and 0.5405 (17) Å. The mean planes of these rings (through all ring atoms) have a dihedral angle of 49.03 (10)°. In the crystal, mol­ecules are linked by O—H⋯O hydrogen bonds. The absolute configuration of the mol­ecule was established, as judged by the, as judged by the obtained values for the Hooft and Flack parameters.