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Acta Cryst. (2013). E69, o1756
[ doi:10.1107/S1600536813030262 ]

exo-1,7-Dimethyl-4-phenyl-10-oxa-4-aza­tri­cyclo­[5.2.1.02,6]dec-8-ene-3,5-dione

A. Pineda-Contreras, O. F. Vázquez-Vuelvas, L. E. Negrete-López, H. García-Ortega and M. Flores-Alamo

Abstract: The title compound, C16H15NO3, consists of an oxabicycle fused to an N-phenyl-substituted pyrrolidine ring anti to the double bond, affording the exo isomer. In the oxabicycle system, the six-membered ring presents a boat conformation, while the heterocyclic rings show envelope conformations with the O atom projected out of the plane. In the crystal, adjacent mol­ecules are linked via weak C-H...O hydrogen bonds, forming chains propagating along the a-axis direction. The chains are linked by C-H...[pi] inter­actions, forming two-dimensional networks lying parallel to the ac plane.


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