反应详情

The compound was prepared from the compound of Example 277 (0.9 g, 2.11 mmol, 1 eq.) using the procedure of Example 2 and ethanesulfonyl chloride (60 mg, 0.46 mmol, 1.2 eq.) to give the product in 15.13% yield (28 mg). 1H NMR (400 MHz, DMSO-d6): δ 8.69-8.68 (d, 1H), 8.58 (s, 1H), 8.54-8.52 (d, 1H), 8.18 (s, 1H), 7.97 (s, 1H), 7.93 (s, 1H), 7.74-7.71 (t, 1H), 7.67-7.64 (d, 1H), 7.58-7.56 (d, 1H), 7.44-7.43 (t, 1H), 7.36-7.33 (d, 2H), 3.87 (s, 3H), 3.07-3.02 (quartet, 2H), 1.22-1.18 (t, 3H); LC-MS (ESI): Calculated mass: 476.14; Observed mass: 476.9 [M+H]+ (rt: 0.36 min).

1. customto give the product in 15.13% yield (28 mg)
2. custom476.9 [M+H]+ (rt: 0.36 min)