反应详情

The title compound of step 1 (80 mg), K2CO3 (77 mg, 0.56 mmol) bromomethylcyclopropane (62 mg, 0.46 mmol) in DMF (2 mL) were heated at 70° C. for 4 h. EA extractive work up and preparative HPLC gave the title compound (17 mg) as a yellow solid. 1H NMR (CDCl3, 400 MHz) δ 7.85-7.83 (m, 2H), 7.67 (d, J=2.0 Hz, 1H), 7.53 (s, 1H), 7.03 (d, J=9.2 Hz, 1H), 3.95 (d, J=6.8 Hz, 1H), 3.89 (d, J=7.2 Hz, 1H), 3.07 (s, 3H), 2.23 (s, 3H), 1.34-1.26 (m, 2H), 0.68-0.65 (m, 2H), 0.65-0.61 (m, 2H), 0.44-0.43 (m, 2H), 0.38-0.37 (m, 2H). LCMS: 388.2 (M+1)+