Abstract
The title compound, C18H22N2O5, was synthesized by nitrification of its enol precursor. The pyrrolidine ring plane adopts a twisted conformation about the C—C bond linking the spiro centre and the C=O group remote from the N atom. It makes dihedral angles of 71.69 (9) and 88.92 (9)°, respectively, with the benzene ring plane and the plane defined by the four C atoms that form the seat of the of the cyclohexane chair. At the spiro centre, the NH group is axial and the C=O group is equatorial with respect to the cyclohexane ring. In the crystal, inversion dimers linked by pairs of N—H⋯O hydrogen bonds generate R 2 2(8) loops. The dimers are linked by C—H⋯O interactions, generating a three-dimensional network.
Highlights
The title compound, C18H22N2O5, was synthesized by nitrification of its enol precursor
The pyrrolidine ring plane adopts a twisted conformation about the C—C bond linking the spiro centre and the C O group remote from the N atom
It makes dihedral angles of 71.69 (9) and 88.92 (9), respectively, with the benzene ring plane and the plane defined by the four C atoms that form the seat of the of the cyclohexane chair
Summary
The title compound, C18H22N2O5, was synthesized by nitrification of its enol precursor. The pyrrolidine ring plane adopts a twisted conformation about the C—C bond linking the spiro centre and the C O group remote from the N atom. It makes dihedral angles of 71.69 (9) and 88.92 (9) , respectively, with the benzene ring plane and the plane defined by the four C atoms that form the seat of the of the cyclohexane chair.
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