Crystal structure of (2E,4E)-5-[bis­(2-hy­droxy­eth­yl)amino]-1-(4-chloro­phen­yl)-5-phenyl­penta-2,4-dien-1-one

In the title compound, C(21)H(22)ClNO(3), the penta­diene unit is nearly planar [maximum deviation = 0.023 (1) Å], but the carbonyl O atom deviates significantly [by 0.304 (1) Å] from its mean plane, which is twisted with respect to the phenyl and chloro­benzene rings by 71.34 (13) and 46.40 (13)°, respectively. In the crystal, inversion-related molecules are linked by two pairs of O—H⋯O hydrogen bonds, forming chains propagating along [01-1], enclosing R (2) (2)(16) and R (2) (2)(22) ring motifs. The chains are linked via C—H⋯O hydrogen bonds and C—H⋯π inter­actions into a three-dimensional supra­molecular architecture.