2,6-Difluoro-3-ethoxyphenylboronic acid → HCID 86713936, compound

Participants

Reaction Steps

Following the procedure for Example 101 starting from tert-butyl ((3S,4R,7S)-7-(4-(2-bromothiazole-4-carboxamido)-1-methyl-1H-pyrazol-5-yl)-3-fluorooxepan-4-yl)carbamate (Intermediate 99), and replacing 3,6-dihydro-2H-pyran-4-boronic acid pinacol ester with (3-ethoxy-2,6-difluorophenyl)boronic acid gave 285. 1H NMR (400 MHz, DMSO-d6) δ 9.87 (s, 1H), 8.63 (s, 1H), 7.79 (s, 1H), 7.39 (td, J=9.3, 5.2 Hz, 1H), 7.24 (td, J=9.6, 1.9 Hz, 1H), 4.80 (dd, J=11.0, 3.6 Hz, 1H), 4.49-4.25 (m, 1H), 4.16 (q, J=6.9 Hz, 3H), 4.08-3.90 (m, 1H), 3.78 (s, 3H), 3.29-3.18 (m, 1H), 2.10-2.02 (m, 1H), 1.91-1.77 (m, 1H), 1.74-1.64 (m, 2H), 1.36 (t, J=6.9 Hz, 3H). LCMS (ES+) m/z 496 (M+1).

Provenance & Evidence