反应详情

was prepared from intermediate 79a and butylamine following Method A. 1H NMR (300 MHz, CDCl3) δ 7.34 (d, 2H, J=8.85 Hz), 6.87 (d, 2H, J=8.67 Hz), 6.01 (s, 1H), 3.79 (s, 3H), 3.31–3.23 (m, 2H), 2.15 (s, 3H), 1.54–1.43 (m, 2H), 1.37–1.22 (m, 2H), 0.94–0.87 (m, 3H). LCMS (ESI+) [2M+Na]/z Calc'd 581, found 581.