反应详情

To a mixture of 2-(4-(5-ethoxy-6-((4-methoxybenzyl)oxy)pyridin-3-yl)-2-fluorophenyl)acetic acid (150 mg, 0.365 mmol), 1-methyl-3-(1,1,1-trifluoro-2-methylpropan-2-yl)-1H-pyrazol-5-amine (83 mg, 0.401 mmol) in pyridine (3 mL) was added T3P® (EA solvate) (0.3 mL, 0.365 mmol) at 25° C. Then the mixture was stirred for 2 h, the mixture was concentrated to give the residue which was distributed between DCM (20 mL) and H2O (10 mL) and extracted with DCM (20 mL×2). The combined organic extracts were washed with brine (20 mL), dried over Na2SO4, filtered and concentrated to yield a white solid of 2-(4-(5-ethoxy-6-((4-methoxybenzyl)oxy)pyridin-3-yl)-2-fluorophenyl)-N-(1-methyl-3-(1,1,1-trifluoro-2-methylpropan-2-yl)-1H-pyrazol-5-yl)acetamide (150 mg, 0.225 mmol, 61.7% yield): 1H NMR (400 MHz, CD3OD) δ 8.52 (d, J=4.4 Hz, 1H), 7.94 (d, J=2.0 Hz, 1H), 7.44-7.41 (m, 3H), 7.39 (d, J=8.8 Hz, 2H), 6.90 (d, J=8.8 Hz, 2H), 6.27 (s, 1H), 5.35 (s, 2H), 4.13 (q, J=7.1 Hz, 2H), 3.83 (s, 2H), 3.78 (s, 3H), 3.72-3.67 (m, 3H), 1.47 (s, 6H), 1.41 (t, J=7.0 Hz, 3H). ES-LCMS m/z 601 (M+H).

1. concentrationthe mixture was concentrated
2. customto give the residue which
3. extractionextracted with DCM (20 mL×2)
4. washThe combined organic extracts were washed with brine (20 mL)
5. dry with materialdried over Na2SO4
6. filtrationfiltered
7. concentrationconcentrated