2-Chloro-5-fluorobenzeneboronic acid → 5-amino-N-(5-((2S,5R,6R)-5-amino-6-methoxyoxepan-2-yl)-1-methyl-1H-pyrazol-4-yl)-2-(5-chloro-2-fluorophenyl)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-methoxy-oxepan-2-yl]-1-methyl-pyrazol-4-yl]carbamoyl]thiazol-5-yl]carbamate (Intermediate 98), and replacing 3,6-dihydro-2H-pyran-4-boronic acid pinacol ester with (2-chloro-5-fluorophenyl)boronic acid gave 281. 1H NMR (400 MHz, DMSO-d6) δ 9.62 (s, 1H), 8.12 (dd, J=6.4, 2.7 Hz, 1H), 7.79 (s, 1H), 7.55-7.39 (m, 4H), 5.07 (dd, J=7.0, 4.5 Hz, 1H), 3.99-3.84 (m, 2H), 3.72 (s, 3H), 3.52-3.43 (m, 1H), 3.33-3.24 (m, 1H), 3.15 (s, 3H), 2.33-2.22 (m, 1H), 1.82-1.52 (m, 4H). LCMS (ES+) m/z 495 (M+1).

Provenance & Evidence