3-Benzyl-3-hydroxy-2-phenyl-3H-indole 1-oxide

The asymmetric unit of the title compound, C21H17NO2, contains two crystallographically independent molecules of similar geometry. The indole ring systems form dihedral angles of 8.30 (5) and 9.58 (5)° with the attached phenyl rings, and 56.96 (5) and 57.68 (5)° with the aromatic rings of the respective benzyl groups. The molecular conformations are stabilized by intramolecular C—H...O hydrogen bonds. In the crystal structure, centrosymmetrically related pairs of molecules are linked into dimers through pairs of intermolecular O—H...O hydrogen bonds, generating 12-membered rings with R22(12) motifs. The dimers are further linked into a three-dimensional network by C—H...O interactions.

Abstract licence: CC BY

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