Abstract
The title compound, C32H23ClN2O4, has a quinoline, a chlorophenyl and an acenaphthalene ring system attached to a central pyrrolidine ring, which has three stereogenic centers. Nevertheless, the compound crystallizes as a racemate with two molecules of identical chirality in the asymmetric unit. They differ in the conformation of the five-membered pyrrolidine ring; in one molecule it has an envelope conformation, while in the other molecule it has a twisted conformation. In each molecule there is an intramolecular O—H⋯O hydrogen bond making an S(6) ring motif. In the crystal, pairs of N—H⋯O hydrogen bonds produce inversion dimers with R 2 2(8) motifs. There are also C—H⋯O interactions present. The crystal structure contains voids (60 Å3) within which there is no evidence of solvent molecules.
Highlights
The title compound, C32H23ClN2O4, has a quinoline, a chlorophenyl and an acenaphthalene ring system attached to a central pyrrolidine ring, which has three stereogenic centers
The compound crystallizes as a racemate with two molecules of identical chirality in the asymmetric unit
They differ in the conformation of the five-membered pyrrolidine ring; in one molecule it has an envelope conformation, while in the other molecule it has a twisted conformation
Summary
The title compound, C32H23ClN2O4, has a quinoline, a chlorophenyl and an acenaphthalene ring system attached to a central pyrrolidine ring, which has three stereogenic centers. The compound crystallizes as a racemate with two molecules of identical chirality in the asymmetric unit. They differ in the conformation of the five-membered pyrrolidine ring; in one molecule it has an envelope conformation, while in the other molecule it has a twisted conformation. In each molecule there is an intramolecular. O—H O hydrogen bond making an S(6) ring motif. Pairs of N—H O hydrogen bonds produce inversion dimers with R22(8) motifs. The crystal structure contains voids (60 Å3). Within which there is no evidence of solvent molecules
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