反应详情

Following the procedure for Example 101 starting from tert-butyl N-[2-bromo-4-[[5-[(2S,5R,6R)-5-(tert-butoxycarbonylamino)-6-fluoro-oxepan-2-yl]-1-methyl-pyrazol-4-yl]carbamoyl]thiazol-5-yl]carbamate (Intermediate 88), and replacing 3,6-dihydro-2H-pyran-4-boronic acid pinacol ester with (1-isopropyl-1H-pyrazol-4-yl)boronic acid gave 256. 1H NMR (400 MHz, DMSO-d6) δ 9.37 (s, 1H), 8.15 (s, 1H), 7.83 (s, 1H), 7.77 (s, 1H), 7.25 (s, 2H), 5.12-4.80 (m, 2H), 4.60-4.45 (m, 1H), 4.18-3.95 (m, 2H), 3.72 (s, 3H), 3.38-3.26 (m, 1H), 2.33-2.22 (m, 1H), 1.83-1.56 (m, 5H), 1.44 (d, J=6.7 Hz, 6H). LCMS (ES+) m/z 463 (M+1).