反应详情

The title compound was prepared in a similar manner as described for Example 1, from dimethyl amine hydrochloride (278 mg, 3.41 mmol) and 5-[2,2-dimethyl-6-(1-methyl-1H-pyrazol-3-ylcarbamoyl)-2,3-dihydro-benzofuran-4-yloxy]-3-fluoro-pyridine-2-carboxylic acid methyl ester (175b) (150 mg, 0.341 mmol) to give a white solid (74 mg, 48% yield). 1H NMR (400 MHz, CDCl3) δ 8.39 (s, 1 H) 8.22 (d, J=1.77 Hz, 1 H) 7.27-7.31 (m, 1 H) 7.01-7.13 (m, 3 H) 6.78 (d, J=2.02 Hz, 1 H) 3.81 (s, 3 H) 3.16 (s, 3 H) 3.00 (s, 3 H) 2.92 (s, 2 H) 1.50 (s, 6 H); LCMS for C23H24FN5O4 m/z 454.20 (M+H+); Anal. Calcd. for C23H24FN5O4: C, 60.92; H, 5.33; N, 15.44. Found: C, 60.66; H, 5.37; N, 15.26.