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In the central aza-bi­cyclo­octane unit of the title compound, C40H34N4O3·0.75H2O, the peripheral pyrrolidine ring adopts an envelope conformation with the N atom deviating by 0.209 (2) Å, whereas the other pyrrolidine ring adopts a twisted conformation with the bridging N and C atoms deviating by −0.218 (2) and 0.236 (3) Å, respectively, from the rest of the ring. The pyrazole ring forms dihedral angles of 42.36 (7) and 24.07 (8)° with its C- and N-attached phenyl groups, respectively. The solvent water mol­ecule has a partial occupancy of 0.75. In the crystal, the water mol­ecules link the fused-ring mol­ecules into chains along the b axis via O—H...N and O—H...O hydrogen bonds. The crystal packing is further stabilized by C—H...π inter­actions involving a methyl­ene group of the pyran ring and the C-attached benzene ring on the pyrazole ring.

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In the title compound, C31H25N5O3·C2H6OS, the three indole/indoline units are all essentially planar with maximum deviations of 0.0172 (3), 0.053 (2) and 0.07 (2) Å. The pyrrolidine ring adopts an envelope conformation with the C atoms bearing the 1-ethyl-2-oxo­indole substituent (in which the five-membered ring adopts a twisted conformation) as the flap. The dimethyl sulfoxide solvent mol­ecule is disordered over two positions, with an occupancy factor ratio of 0.871 (4):0.129 (4). The solvent components are linked to the heterocyclic mol­ecule via C—H...O and C—H...S hydrogen bonds. In the crystal, the solvent components are linked to the heterocyclic molecule via C—H...O and C—H...S inter­actions, forming R22(10) ring motifs. The mol­ecules are further connected into a chain along the a-axis direction via N—H...O hydrogen bonds.
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