5-((Tert-butoxycarbonyl)amino)-2-(2-fluorophenyl)thiazole-4-carboxylic acid → (R)-tert-butyl 2-(2-fluorophenyl)-4-(1-ethyl-5-(4-(2,2,2-trifluoroacetamido)azepan-1-yl)-1H-pyrazol-4-ylcarbamoyl)thiazol-5-ylcarbamate

Participants

Reaction Steps

Following the procedure for Example 506 starting with (R)-N-(1-(1-ethyl-4-nitro-1H-pyrazol-5-yl)azepan-4-yl)-2,2,2-trifluoroacetamide and 5-(tert-butoxycarbonylamino)-2-(2-fluorophenyl)thiazole-4-carboxylic acid gave (R)-tert-butyl 2-(2-fluorophenyl)-4-(1-ethyl-5-(4-(2,2,2-trifluoroacetamido)azepan-1-yl)-1H-pyrazol-4-ylcarbamoyl)thiazol-5-ylcarbamate as a cream solid (330 mg, 72%). 1H-NMR (400 MHz, CDCl3) δ 10.37 (s, 1H), 8.66 (s, 1H), 8.15-8.05 (m, 1H), 7.45-7.35 (m, 1H), 7.30-7.15 (m, 3H), 6.31 (d, J=8 Hz, 1H), 4.25-4.15 (m, 1H), 4.07 (q, J=7 Hz, 2H), 3.43-3.31 (m, 2H), 3.25-3.15 (m, 2H), 2.25-2.10 (m, 2H), 2.10-1.70 (m, 4H), 1.57 (s, 9H) 1.47 (t, J=7 Hz, 3H).

Provenance & Evidence