Water → HCID 59456944, compound

Participants

Reaction Steps

A suspension of (E)-3-[3-(2,2-dimethoxy-ethyl)-2-oxo-1,2,3,4-tetrahydro-pyrido[2,3-d]pyrimidin-6-yl]-N-methyl-N-(3-methyl-benzo[b]thiophen-2-ylmethyl)acrylamide (450 mg, 0.937 mmol) in CH2Cl2 (20 mL) was treated with TFA (1 mL) and H2O (1 mL). The reaction was allowed to stir overnight at room temperature. The solution was washed with saturated NaHCO3 (2×15 mL). The aqueous solutions were extracted with CH2Cl2 (40 mL). The combined CH2Cl2 solutions were washed with brine, dried over Na2SO4, and concentrated to give the title compound (440 mg, 99%) as a white solid and as amide rotomers: 1H NMR (300 MHz, DMSO-d6) δ 10.15 (s, 1H), 9.54 (s, 1H), 8.40 (s, 1H), 8.02 (s, 1H), 7.87 (d, J=7.5 Hz, 1H), 7.73 (d, J=7.8 Hz, 1H), 7.53-7.31 (m, 4H), 5.11-4.88 (m, 2H), 4.51 (s, 2H), 4.18 (s, 2H), 3.15-2.93 (m, 3H), 2.42 (s, 3H); MS (ESI) m/e 435 (M+H)+.

Provenance & Evidence