2-[1-(3-{2-[(2-Hy-droxy-benzyl-idene)amino]-phen-oxy}prop-yl)-1H-1,3-benzodiazol-2-yl]phenol.

In the title compound, C(29)H(25)N(3)O(3), the imine double bond has an E configuration. The dihedral angle between the hy-droxy-phenyl and benzene rings in the imine moiety is 26.95 (9)°, and the dihedral angle between the hy-droxy-phenyl and benzimidazole rings in the other moiety is 14.83 (9)°. These angles are probably limited to small values as a consequence of two strong intra-molecular O-H⋯N hydrogen bonds formed between the hy-droxy groups and the imine and imidazole N atoms. The aliphatic chain linking the two ring systems has a gauche conformation, as reflected in C-C-C-O torsion angle of 70.9 (2)°.