Abstract
The title compound, C18H17NO4, crystallizes with two independent molecules in the asymmetric unit. The pyrrolidine ring in one molecule is disordered over two positions, with refined site-occupancy factors of 0.853 (5) and 0.147 (5). The dihedral angles between the planes of the benzene rings in the two independent molecules are 56.8 (2) and 68.2 (5)°. The molecular conformations are stabilized by intramolecular O—H⋯O hydrogen bonds. In the crystal structure, molecules are linked by intermolecular O—H⋯O hydrogen bonds, forming dimers and generating rings of graph-set motif R 2 2(8).
Highlights
The title compound, C18H17NO4, crystallizes with two independent molecules in the asymmetric unit
The pyrrolidine ring in one molecule is disordered over two positions, with refined site-occupancy factors of 0.853 (5) and 0.147 (5)
The dihedral angles between the planes of the benzene rings in the two independent molecules are 56.8 (2) and 68.2 (5)
Summary
V = 1529.0 (7) A 3 Z=4 Mo K radiation = 0.10 mmÀ1 T = 113 K 0.18 Â 0.16 Â 0.12 mm 13535 measured reflections 6888 independent reflections 4673 reflections with I > 2(I) Rint = 0.036. The title compound, C18H17NO4, crystallizes with two independent molecules in the asymmetric unit. The pyrrolidine ring in one molecule is disordered over two positions, with refined site-occupancy factors of 0.853 (5) and 0.147 (5). The dihedral angles between the planes of the benzene rings in the two independent molecules are 56.8 (2) and 68.2 (5). The molecular conformations are stabilized by intramolecular O— HÁ Á ÁO hydrogen bonds. Molecules are linked by intermolecular O—HÁ Á ÁO hydrogen bonds, forming dimers and generating rings of graph-set motif R22(8)
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