2,3-Difluoro-6-methoxyphenylboronic acid → 5-amino-N-(5-((2S,5R,6R)-5-amino-6-fluorooxepan-2-yl)-1-methyl-1H-pyrazol-4-yl)-2-(2,3-difluoro-6-methoxyphenyl)thiazole-4-carboxamide

Participants

Reaction Steps

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 (2,3-difluoro-6-methoxyphenyl)boronic acid gave 277. 1H NMR (400 MHz, DMSO-d6) δ 9.42 (s, 1H), 7.84 (s, 1H), 7.47 (t, J=9.4 Hz, 1H), 7.39 (s, 2H), 7.01 (ddd, J=9.4, 4.0, 1.9 Hz, 1H), 5.02-4.76 (m, 2H), 4.18-3.93 (m, 2H), 3.92 (s, 3H), 3.72 (s, 3H), 2.23-2.13 (m, 1H), 1.90-1.60 (m, 4H). LCMS (ES+) m/z 497 (M+1).

Provenance & Evidence