Acta Crystallographica Section E

Structure Reports Online

Volume 69, Part 2 (February 2013)

organic compounds

Acta Cryst. (2013). E69, o161-o162    [ doi:10.1107/S1600536812051471 ]

(1SR,3RS,3aSR,6aRS)-Methyl 5-methyl-4,6-dioxo-3-[2-(trifluoro­meth­yl)phen­yl]octa­hydro­pyrrolo­[3,4-c]pyrrole-1-carboxyl­ate

K. V. Kudryavtsev, P. M. Ivantcova and A. V. Churakov

Abstract: In the title compound, C16H15F3N2O4, the relative stereochemistry of the four stereogenic C atoms has been determined. The carb­oxy­methyl and 2-(trifluoro­meth­yl)­phenyl substituents of the pyrrolidine cycle have a cis mutual arrangement. The five-membered saturated aza­cycle adopts an envelope conformation with the N atom occupying the flap position. In the crystal, adjacent mol­ecules are combined in centrosymmetric dimers by two weak N-H...O hydrogen bonds.

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