| Summary: | In the title compound, C38H28F2N2O2, the piperidine ring adopts a chair conformation and the pyrrolidine ring adopts an envelope conformation with the spiro C atom as the flap atom. The naphthalene ring system makes dihedral angles of 39.89 (8), 35.33 (8) and 46.45 (8)° with the two fluoro-substituted benzene rings and the phenyl ring, respectively, while the dihedral angle between the two fluoro-substituted benzene rings is 75.21 (10)°. An intramolecular O—H...N hydrogen bond generates an S(5) ring. In the crystal, molecules are connected by C—H...O hydrogen bonds, forming supramolecular chains propagating along the c-axis direction. Weak C—H...π interactions further consolidate the structure.
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