反应详情

The title compound was prepared from ethyl 2-bromoacetate and 4-(3,5-dichloropyridin-4-ylamino)-8-hydroxy-7-methoxy-2H-chromen-2-one (Example 29) following the procedure outlined in Example 25. 1H NMR (400 MHz, CDCl3): δ 8.61 (s, 2H), 7.43 (d, 1H), 6.98 (d, 1H), 6.60 (s, 1H), 5.12 (s, 1H), 4.84 (s, 2H), 4.28 (q, 2H), 3.99 (s, 3H), 1.31 (t, 3H); MS (ESI): 438.9.