5-((Tert-butoxycarbonyl)amino)-2-(2,6-difluorophenyl)thiazole-4-carboxylic acid → HCID 74983227, compound

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Reaction Steps

Following the procedure for Example 101 starting from tert-butyl 1-(1-cyclopropyl-4-nitro-1H-pyrazol-5-yl)-5-methoxyazepan-4-ylcarbamate and 5-(tert-butoxycarbonylamino)-2-(2,6-difluorophenyl)-thiazole-4-carboxylic acid gave 386 as an off-white solid (29 mg, 23% over three steps). 1H NMR (400 MHz, CDCl3) δ 8.96 (s, 1H), 7.86 (s, 1H), 7.36-7.28 (m, 1H), 7.02 (t, J=8.9 Hz, 2H), 6.19-6.10 (m, 2H), 3.50-3.35 (m, 4H), 3.33 (s, 3H), 3.25-3.11 (m, 2H), 2.19-2.05 (m, 1H), 2.03-1.96 (m, 1H), 2.01-1.60 (m, 2H), 1.57 (s, 3H), 1.27-1.12 (m, 2H), 0.97 (d, J=7.1 Hz, 2H). LCMS (ES+) m/z 504 (M+1)

Provenance & Evidence