The title compound was prepared from Intermediate 2 (200 mg, 0.892 mmol) and 1,3-benzodioxol-4-ylacetic acid (161 mg, 0.881 mmol) in presence of EDCI.HCl (256 mg, 1.343 mmol), HOBt (205 mg, 1.343 mmol) and triethylamine (366 μl, 2.683 mmol) in dichloromethane (10 ml) as described in Example 1 to give 125 mg of the product as a white solid; IR (KBr) 3059, 2941, 1634, 1488, 1243, 1045 cm−1; 1H NMR (300 MHz, CDCl3) δ 1.63-1.72 (m, 2H), 1.83-1.89 (m, 1H), 2.00-2.07 (m, 1H), 2.12-2.18 (m, 2H), 2.25-2.38 (m, 2H), 3.55 (d, J=2.4 Hz, 2H), 5.21 (q, J=9.9 Hz, 1H), 5.49 (d, J=8.1 Hz, 1H), 5.94 (s, 2H), 6.68-6.76 (m, 4H), 6.93 (s, 1H), 7.04 (dd, J=2.4, 6.3 Hz, 1H); ESI-MS (m/z) 384.16 (M−H)−.
