In the title hydrate, C23H16N4O2·H2O, the pyrazole ring is approximately planar, with a maximum deviation of 0.023 (1) Å, and makes dihedral angles of 28.63 (6) and 46.44 (7)° with the naphtho[2,1-b]furan ring system and the benzene ring, respectively, In the crystal, O—H
N, O—H
O, N—H
O, N—H
N, C—H
O and C—H
N hydrogen bonds link the molecules, forming sheets lying parallel to the ab plane. The crystal structure also features C—H
π interactions involving the centroids of the pyrazole and benzene rings.
N, O—H
O, N—H
O, N—H
N, C—H
O and C—H
N hydrogen bonds link the molecules, forming sheets lying parallel to the ab plane. The crystal structure also features C—H
π interactions involving the centroids of the pyrazole and benzene rings.


![[triangle]](/corehtml/pmc/pmcents/rtrif.gif)


and ω scans