6-(2,6-Difluoro-4-(3-hydroxyoxetan-3-yl)phenyl)-5-fluoropicolinic acid → N-(5-((2S,5R,6S)-5-amino-6-fluorooxepan-2-yl)-1-methyl-1H-pyrazol-4-yl)-6-(2,6-difluoro-4-(3-hydroxyoxetan-3-yl)phenyl)-5-fluoropicolinamide

Participants

Reaction Steps

Following the procedure for Example 111 starting from tert-butyl ((3S,4R,7S)-3-fluoro-7-(1-methyl-4-nitro-1H-pyrazol-5-yl)oxepan-4-yl)carbamate (Intermediate 80), and replacing 5-((tert-butoxycarbonyl)amino)-2-(2,6-difluorophenyl)thiazole-4-carboxylic acid with 6-(2,6-difluoro-4-(3-hydroxyoxetan-3-yl)phenyl)-5-fluoropicolinic acid (see US2012/225062) gave 193. 1H NMR (400 MHz, DMSO-d6) δ 10.20 (s, 1H), 8.30 (dd, J=8.7, 4.0 Hz, 1H), 8.23-8.12 (m, 1H), 7.90 (s, 1H), 7.49 (d, J=9.7 Hz, 2H), 4.81 (t, J=5.7 Hz, 3H), 4.73 (dd, J=7.0, 1.4 Hz, 2H), 4.41-4.17 (m, 1H), 4.10-3.87 (m, 2H), 3.76 (s, 3H), 3.19-3.09 (m, 1H), 2.11-2.02 (m, 1H), 1.69 (s, 3H). LCMS (ES+) m/z 536 (M+1).

Provenance & Evidence