| Summary: | The title indolin-2-one compound, C28H23FN4O�C2H6O, crystallizes as a 1:1
ethanol solvate. The ethanol molecule is disordered over two positions with
refined site occupancies of 0.560 (14) and 0.440 (14). The pyrazole ring makes
dihedral angles of 84.16 (10) and 85.33 (9)� with the indolin-2-one and indole
rings, respectively, whereas the dihedral angle between indolin-2-one and indole
rings is 57.30 (7)�. In the crystal, the components are linked by N—H� � �O and
O—H� � �O hydrogen bonds, forming an inversion molecule–solvate 2:2 dimer
with R4
4(12) ring motifs. The crystal structure is consolidated by �–� interaction
between pairs of inversion-related indolin-2-one rings [interplanar spacing =
3.599 (2) A ° ].
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