Sodium Hydroxide → HCID 89996074, compound

Participants

Reaction Steps

N-(2-Methoxy-4-(1-methyl-1H-pyrazol-4-yl)phenyl)formamide (Preparation 56, 50 mg 0.21 mmole) was stirred in THF (1 mL). Sodium hexamethyldisilazide (0.25 mL of 1M solution in THF) was added and the reaction stirred at room temperature for 20 minutes. 8-Chloro-6-cyclopropyl-2-(methylsulfonyl)pyrido[3,4-d]pyrimidine (Preparation 179, 80 mg, 0.28 mmole) was added as a suspension in THF (1.5 mL) and the reaction was stirred at room temperature for 80 minutes. Methanol (1 mL) and 1M sodium hydroxide solution (1 mL) were added to the reaction and stirred for 55 minutes. The solvents were then concentrated in vacuo. The residue was partitioned between chloroform (10 mL) and water (10 mL). The layers were separated and the aqueous was again extracted with chloroform. The combined organic layers were dried and concentrated in vacuo. The residue was purified using preparative TLC eluting with 1:1 acetone:cyclohexane to afford the title compound (41 mg 44%).

Provenance & Evidence