Abstract
The carbazole unit of the title molecule, C14H11NO2, is planar. The hydroxy group at position 1, carbaldehyde group at position 2, and methyl group at position 3 (with the exception of two H atoms) are coplanar with the attached benzene ring. The dihedral angle between the two benzene rings is 3.57 (8)°. The pyrrole ring makes dihedral angles of 1.53 (9) and 2.06 (9)° with the unsubstituted and substituted benzene rings, respectively. The structure is stabilized by inter- and intramolecular N—H⋯O and O—H⋯O hydrogen bonds.
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