2-(Trifluoromethoxy)phenylboronic Acid (contains varying amounts of Anhydride) → HCID 86713921, compound

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-(trifluoromethoxy)phenyl)boronic acid gave 266. 1H NMR (400 MHz, DMSO-d6) δ 9.50 (s, 1H), 8.28-8.20 (m, 1H), 7.78 (s, 1H), 7.57-7.43 (m, 6H), 5.00-4.77 (m, 2H), 4.22-4.06 (m, 1H), 4.06-3.92 (m, 1H), 3.75 (s, 3H), 3.29-3.21 (m, 1H), 2.18-2.09 (m, 1H), 1.95-1.54 (m, 5H). LCMS (ES+) m/z 515 (M+1).

Provenance & Evidence