4-Borono-3-methylbenzoic acid → 4-(5-Fluoro-6-hydroxyquinolin-2-yl)-3-methylbenzoic acid

Participants

Reaction Steps

Followed the procedure described for Example 70, starting from 2-chloro-5-fluoroquinolin-6-ol (Intermediate 16) and 4-borono-3-methylbenzoic acid. 1H-NMR (DMSO-d6, 300 MHz, TMS): δ 13.03 (b, 1H), 10.47 (b, 1H), 8.43 (d, 1H), 7.93 (s, 1H), 7.90 (d, 1H), 7.78 (d, 1H), 7.72 (d, 1H), 7.62 (d, 1H), 7.52 (t, 1H), 2.43 (s, 3H). MS (ESI): m/z=296.38 [M−H]−.

Provenance & Evidence