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Abstract:
The asymmetric unit of the title compound, C15H15N3O2, comprises two crystallographically independent molecules (A and B), each having an E conformation around the C=N bond. In each molecule, there is an intramolecular O-H...N hydrogen bond making an S(6) ring motif. The dihedral angles between the substituted phenyl rings are 17.49 (9) and 10.03 (9)°. In the crystal, N-H...O hydrogen bonds link neighbouring independent molecules into infinite chains, of the type -A-B-A-B-, along the a axis, enclosing R21(7) ring motifs. The chains are linked by N-H...O hydrogen bonds and C-H...O interactions, leading to the formation of a three-dimensional network.
