3,4-Difluorobenzeneboronic acid → HCID 23654205, 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 3,4-difluorophenylboronic acid (23.7 mg, 0.15 mmol) gave 4-(3,4-Difluoro-phenyl)-2-(5,6-dimethoxy-benzoimidazol-1-yl)-thiazole-5-carboxylic acid (8.7 mg, 21%) as a white solid. 1H NMR (400 MHz, DMSO-d6) δ ppm 8.81 (s, 1 H); 8.22-8.32 (m, 1 H); 7.88-8.00 (m, 1 H); 7.80 (s, 1 H); 7.55 (dt, 1 H); 7.39 (s, 1 H); 3.88 (s, 3 H), 3.85 (s, 3 H). MS 418 m/z (M+1 ).

Provenance & Evidence