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 2-(cyclopent-1-en-1-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane gave 271. 1H NMR (400 MHz, DMSO-d6) δ 9.25 (s, 1H), 7.80 (s, 1H), 7.35 (br, J=8.5 Hz, 2H), 6.21-6.14 (m, 1H), 5.22-4.76 (m, 2H), 4.22-3.94 (m, 2H), 3.71 (s, 3H), 3.53-3.40 (m, 1H), 2.76-2.66 (m, 2H), 2.22-2.10 (m, 1H), 2.02-1.87 (m, 3H), 1.84-1.67 (m, 2H). LCMS (ES+) m/z 421 (M+1).