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In the title compound, C29H24N2O2, the hydrofuran ring is twisted with puckering parameters Q = 0.1553 (16) Å and φ = 305.0 (6)°. In the crystal, the graph-set motifs of the inter­action pattern are an R22(16) motif involving dimers through N—H...N hydrogen bonds across centres of inversion and a C(6) motif through C—H...O hydrogen-bond between glide-related mol­ecules. Together, these generate [101] ladder-like chains.

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In the title compound, C20H20N2S4, the N-containing six-membered rings of the two tetra­hydro­quinoline moieties adopt half-chair conformations. Intra­molecular C—H...S hydrogen bonding stabilizes the mol­ecular structure. In the crystal, mol­ecules associate via weak C—H...π inter­actions.
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