反应详情

3-(4-(2-Aminopyridin-4-yloxy)-3-fluorophenylamino)-3-oxopropanoic acid (Compound C of Example 102, 30 mg, 0.10 mmol) was coupled with 2,2-dimethylpropan-1-amine (Aldrich, 12 mg, 0.2 mmol) in a manner similar to that which is described in Step C of Example 1 to give N1-(4-(2-aminopyridin-4-yloxy)-3-fluorophenyl)-N3-neopentylmalonamide, hydrochloride salt (13 mg, 32% yield). 1H NMR (DMSO-d6) δ 13.34 (s, 1H), 10.69 (s, 1H), 8.08 (m, 1H), 7.96 (d, 1H, J=7.0 Hz), 7.87 (m, 3H), 7.44 (m, 2H), 6.70 (m, 1H), 6.13 (d, 1H, J=2.0 Hz), 3.34 (s, 2H), 2.91 (d, 2H, J=6.5 Hz), 0.84 (s, 9H); MS (ESI+) m/z 375.32 (M+H)+.