Acta Crystallographica Section E

Structure Reports Online

Volume 69, Part 2 (February 2013)

organic compounds

Acta Cryst. (2013). E69, o293-o294    [ doi:10.1107/S1600536813001943 ]

Ethyl 4-hy­droxy-1-methyl-5-oxo-2-phenyl­pyrrolidine-3-carboxyl­ate 1.25-hydrate

N. S. Mansor, M. F. Mohammat, Z. Shaameri and H. Khaledi

Abstract: The asymmetric unit of the title compound, C14H17NO4·1.25H2O, consists of four substituted pyrrolidone mol­ecules (two pairs of enanti­omers) and five water mol­ecules. The five-membered rings each have an envelope conformation, with the C atom bonded to the ester group as the flap. The mean planes of the five-membered rings of the four pyrrolidone mol­ecules make dihedral angles of 60.87 (5), 64.45 (5), 62.03 (5) and 65.79 (5)° with respect to the phenyl rings. In the crystal, the pyrrolidone and water mol­ecules are connected through O-H...O hydrogen bonds, forming a layer parallel to the ab plane. The two-dimensional network is further stabilized by inter­molecular C-H...O hydrogen bonds.

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