%0 Journal Article %T Ethyl 4-cyano-7-nitro-1,2,3,3a,4,5-hexahydropyrrolo[1,2-a]quinoline-4-carboxylate %A Yvon Bibila Mayaya Bisseyou %A Adé %A yolé %A Timotou %A Ajouby Adjou %A Rita Kakou-Yao %J Acta Crystallographica Section E %D 2012 %I International Union of Crystallography %R 10.1107/s1600536812003480 %X In the title compound, C16H17N3O4, the six-membered N-containing ring adopts a half-chair conformation. One C atom of the five-membered ring is disordered over two sites, with occupancy factors of ca 0.67 and 0.33. The major pyrroline component adopts a half-chair conformation. Intermolecular C¡ªH...O hydrogen bonds forming centrosymmetric dimers are observed in the crystal. %U http://scripts.iucr.org/cgi-bin/paper?S1600536812003480