Isopropylamine → Vimseltinib

Participants

Reaction Steps

A mixture of Example C3 (0.14 g, 0.33 mmol) and isopropyl amine (3 mL, 35.0 mmol) was heated at 100° C. for 2 days in a sealed tube. The mixture was cooled to RT, the solid removed via filtration and the filtrate concentrated to dryness and purified via silica gel chromatography to obtain 2-(isopropylamino)-3-methyl-5-(6-methyl-5-((2-(1-methyl-1H-pyrazol-4-yl)pyridin-4-yl)oxy)pyridin-2-yl)pyrimidin-4(3H)-one (88 mg, 59%). 1H NMR (400 MHz, DMSO-d6): δ 8.68 (s, 1H), 8.36 (d, J=5.7 Hz, 1H), 8.28 (d, J=8.7 Hz, 1H), 8.25 (s, 1H), 7.96 (d, J=0.7 Hz, 1H), 7.52 (d, J=8.6 Hz, 1H), 7.23 (d, J=2.4 Hz, 1H), 7.05 (d, J=7.6 Hz, 1H), 6.60 (dd, J=5.7, 2.4 Hz, 1H), 4.33 (m, 1H), 3.85 (s, 3H), 3.37 (s, 3H), 2.35 (s, 3H), 1.23 (d, J=6.6 Hz, 6H); MS (ESI) m/z: 432.2 (M+H+).

Provenance & Evidence