2-(2-Fluorophenyl)-1,3-thiazole-4-carboxylic acid → HCID 86713946, compound

Participants

Reaction Steps

Following the procedure for Example 111 starting from tert-butyl ((3R,4R,7S)-3-fluoro-7-(1-methyl-4-nitro-1H-pyrazol-5-yl)oxepan-4-yl)carbamate (Intermediate 24), and replacing 5-((tert-butoxycarbonyl)amino)-2-(2,6-difluorophenyl)thiazole-4-carboxylic acid with 2-(2-fluorophenyl)thiazole-4-carboxylic acid (see Bioorg. Med. Chem. Lett. 2010, 20, 1758) gave 318. 1H NMR (400 MHz, DMSO-d6) δ 10.08 (s, 1H), 8.53 (s, 1H), 8.35-8.28 (m, 1H), 7.81 (s, 1H), 7.66-7.58 (m, 1H), 7.53-7.41 (m, 2H), 5.02-4.81 (m, 2H), 4.24-4.09 (m, 1H), 4.09-3.92 (m, 1H), 3.77 (s, 3H), 2.20-2.09 (m, 1H), 2.07-1.92 (m, 1H), 1.87-1.74 (m, 2H), 1.66 (d, J=13.1 Hz, 1H). LCMS (ES+) m/z 434 (M+1).

Provenance & Evidence