Dimethylformamide → HCID 44588774, compound

Participants

Reaction Steps

To the crude (5-tert-Butyl-2-p-tolyl-2H-pyrazol-3-yl)-oxo-acetic acid 34 (0.4 g, 1.4 mmol) in a 40 mL scintillation vial was added oxalyl Chloride (5 mL) and on drop of DMF. The suspension was stirred at rt for 1 h, and concentrated under vacuum. The resulting solid was dissolved in EtOAc (10 mL) and added to 4-(2-Morpholin-4-yl-ethoxy)-naphthalen-1-ylamine (0.45 g, 1.2 mmol) dissolved in EtOAc (10 mL)/50% NaHCO3 (10 mL) and stirred overnight at rt. The mixture was diluted with EtOAc and extracted with NaHCO3. The combined organic layers were washed with brine, dried over MgSO4, filtered and the solvent removed affording a dark brown oil. The material was purified by column chromatography (50-100% EtOAc/Hexanes) providing 0.357 g (57%) of the desired compound as a yellow solid. Expected mass=540. Observed mass=541.

Provenance & Evidence