2-(2-Chloro-4-fluorophenyl)acetamide → (+/-)-Trans-3-(5,6-dihydro-4H-pyrrolo[3,2,1-ij]quinolin-1-yl)-4-(2,4-dichlorophenyl) pyrrolidine-2,5-dione

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(±)-Trans-3-(5,6-dihydro-4H-pyrrolo[3,2,1-ij]quinolin-1yl)-4-(2,4-dichlorophenyl)pyrrolidine-2,5-dione was prepared according to Example 40 replacing 2-chloro-4-fluorophenylacetamide with 2,4-dichlorophenylacetamide. Yield 20.9 mg, 5.2%. 1H NMR (DMSO-d6) 400 MHz δ: 11.65 (s, 1H), 7.69 (s, 1H), 7.51 (d, 1H, J=8.0 Hz), 7.43 (d, 1H, J=8.0 Hz), 7.34 (s, 1H), 7.12 (m, 1H), 6.87 (m, 2H), 4.65 (d, 1H, J=7.6 Hz), 4.55 (d, 1H, J=7.6 Hz), 4.10 (t, 2H, J=6.0 Hz), 2.90 (t, 2H, J=6.0), 2.12 (t, 2H, J=6.0 Hz).

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