Abstract
The title compound, C
20
H
18
N
2
O
4
, is a chalcone derivative of pyrazole. The pyrazole ring is inclined at a dihedral angle of 19.29 (12)° to the methoxyphenyl ring mean plane, and by 1.19 (13)° to the phenyl ring. The molecular structure is stabilized by an intramolecular O—H⋯O hydrogen bond, making an almost planar (r.m.s. deviation = 0.0243 Å) six membered ring.