Sodium Iodide → N-(3-{1-[(3S)-3-(1,3-Dioxo-1,3-dihydro-2H-isoindol-2-YL)-3-phenylpropyl]-4-piperidinyl}phenyl)-2-methylpropanamide

Participants

Reaction Conditions

Reaction Steps

A mixture of 2-[(1S)-3-chloro-1-phenylpropyl]-1H-isoindole-1,3(2H)-dione (4.50 g, 15.0 mmol), 2-methyl-N-[3-(4-piperidinyl)phenyl]propanamide (4.26 g, 15.0 mmol), K2CO3 (4.16 g, 30.0 mmol), and NaI (3.40 g, 20.0 mmol) in DMF (40 mL) was stirred at 90° C. for 12 hrs. The reaction mixture was diluted with water (50 mL), extracted with CH2Cl2 (3×50 mL), and the combined organic extracts were washed with brine (50 mL), dried over MgSO4, and concentrated under reduced pressure. The residue was purified by chromatography on silica using 5% of NH3 (2.0 M in methanol) in CH2Cl2 to give the desired product (5.10 g, 74%). 1H NMR (400 MHz, CDCl3) δ 7.83 (d, 1H, J=5.5 Hz), 7.82 (d, 1H, J=5.5 Hz), 7.71 (d, 1H, J=5.5 Hz), 7.70 (d, 1H, J=5.4 Hz), 7.56 (d, 2H, J=7.1 Hz), 7.35–7.27 (m, 5H), 7.22 (t, 1H, J=7.5 Hz), 7.09 (s, 1H), 6.81 (d, 1H, J=7.8 Hz), 5.49 (dd, 1H, J=5.5, 9.6 Hz), 2.97 (d, 1H, J=10.1 Hz), 2.92–2.82 (m, 2H), 2.44 (sept, 1H, J=6.7 Hz), 2.40–2.29 (m, 3H), 2.00–1.83 (m, 2H), 1.79–1.39 (m, 5H), 1.26 (d, 6H, J=6.9 Hz); ESMS m/e: 510.4 (M+H)+.

Provenance & Evidence