(2,3-Difluorophenyl)boronic acid → HCID 23654017, compound

Participants

Reaction Steps

In a similar manner as described for Example 26, 4-bromo-2-(5,6-dimethoxy-benzoimidazol-1-yl)-thiazole-5-carboxylic acid methyl ester (40 mg, 0.1 mmol) and 2,3-difluorophenylboronic acid (23.7 mg, 0.15 mmol) gave 4-(2,3-Difluoro-phenyl)-2-(5,6-dimethoxy-benzoimidazol-1-yl)-thiazole-5-carboxylic acid (16.2 39%) as a white solid. 1H NMR (400 MHz, DMSO-d6) δ ppm 13.81 (br.s., 1 H); 8.83 (s, 1 H); 7.74 (s, 1 H); 7.52-7.64 (m, 2 H); 7.40 (s, 1 H); 7.33-7.39 (m, 1 H); 3.85 (s, 3 H); 3.83 (s, 3 H). MS m/z 418 (M+1).

Provenance & Evidence