Hydrogen Peroxide → (+/-)-6-[2-Fluoro-4-(3-phenyl-pyrrolidin-1-ylmethyl)-phenoxy]-nicotinamide

Participants

Reaction Steps

Using a method similar to Example 371, (±)-6-[2-fluoro-4-(3-phenyl-pyrrolidin-1-ylmethyl)-phenoxy]-nicotinonitrile (compound of example 375, step 2) (0.225 g, 0.603 mmol), potassium carbonate (0.0425 g, 0.308 mmol), and 30% hydrogen peroxide solution (aq) (0.203 mL, 1.79 mmol) in dimethylsulfoxide (6.0 mL) provide 0.197 g (83%) of the title compound as a white solid: high resolution mass spectrum (electrospray): m/z calc for C23H23FN3O2 392.1774, found 392.1760; 1H NMR (methanol-d4): 8.62 (d, 1H, J=2.4 Hz), 8.32 (d, 1H, J=2.9, 8.8 Hz), 7.41-7.25 (m, 7H), 7.25-7.19 (m, 1H), 7.15 (d, 1H, J=8.3 Hz), 3.83 (d, 1H, J=13.2 Hz), 3.80 (d, 1H, J=13.2 Hz), 3.51-3.41 (m, 1H), 3.18 (d, 1H, J=9.3 Hz), 3.02-2.94 (m, 1H), 2.86 (td, 1H, J=5.9, 8.8 Hz), 2.63 (t, 1H, J=8.8 Hz), 2.46-2.35 (m, 1H), 2.05-1.94 (m, 1H).

Provenance & Evidence