反应详情

was prepared from intermediate 79a and 2-aminopyridine following Method A. 1H NMR (300 MHz, CDCl3) δ 9.06 (s, 1H), 8.31–8.23 (m, 2H), 7.81–7.75 (m, 1H), 7.43 (d, 2H, J=8.59 Hz), 6.90 (d, 2H, J=8.59 Hz), 6.14 (s, 1H), 3.79 (s, 3H), 2.25 (s, 3H). LCMS (ESI+) [M+H]/z Calc'd 301, found 301.