The title compound was prepared from Intermediate 6 (200 mg, 0.963 mmol) and 3-(2,3-dihydro-1,4-benzodioxin-6-yl)propanoic acid (187 mg, 0.963 mmol) in presence of EDCI.HCl (276 mg, 1.441 mmol), HOBt (221 mg, 1.441 mmol) and triethylamine (403 μl, 2.891 mmol) in dichloromethane (10 ml) as described in Example 1 to give 16 mg of the product as a white solid; IR (KBr) 3307, 2951, 1869, 1643, 1508, 1257, 1071, 817 cm−1; 1H NMR (300 MHz, DMSO-d6) δ 1.13-1.23 (m, 1H), 1.66-1.78 (m, 3H), 2.04-2.13 (m, 3H), 2.18-2.27 (m, 2H), 2.42-2.49 (m, 1H), 2.72-2.79 (m, 2H), 4.17 (s, 4H), 5.01 (br s, 1H), 6.54 (d, J=11.1 Hz, 1H), 6.38-6.74 (m, 4H), 6.93 (t, J=8.1 Hz, 1H), 8.25 (d, J=8.4 Hz, 1H); ESI-MS (m/z) 396.66 (M−H)−.
