反应详情

The product of Example 126A (0.20 g, 1.1 mmol), Et3N (0.3 mL, 2.2 mmol) and 2,6-dichlorobenzoyl chloride (Aldrich, 0.2 mL, 1.4 mmol) in 25 mL THF were processed as in Example 132 to afford the title compound (0.12 g, 0.32 mmol, 30% yield). 1H NMR (300 MHz, CDCl3) δ ppm 2.28 (s, 6H), 3.27 (s, 3H), 3.74 (t, J=4.6 Hz, 2H), 4.34-4.44 (m, 2H), 7.19 (dd, J=8.8, 6.8 Hz, 1H), 7.28-7.34 (m, 2H); MS (DCI/NH3) m/z 359 (M+H)+.