(E)-3-(4-Chlorophenyl)-1-(5-hydroxy-2,2-dimethyl-2H-chromen-6-yl)prop-2-en-1-one

Abstract

There are two independent mol­ecules in the asymmetric unit of the title compound, C20H17ClO3, each having an E configuration about the –C=C– bond. The dihedral angles between the two benzene rings in the two mol­ecules are 7.17 (11) and 9.82 (11)°. In both mol­ecules, the hy­droxy group is involved in an intra­molecular O—H⋯O hydrogen bond.