Cesium carbonate → HCID 66762206, compound

Participants

Reaction Conditions

Reaction Steps

To a solution of 6-Hydroxy-4-(4-trifluoromethyl-benzylamino)-quinazoline-8-carboxylic acid amide (85 mg, 0.2 mmol) in N,N-dimethylformamide (3.0 mL) was added cesium carbonate (229 mg, 0.6 mmol). The mixture was stirred vigorously for 10-15 minutes and 4-(2-Chloro-ethyl)-morpholine hydrochloride (48 mg, 0.26 mmol) was added followed by tetrabutylammonium iodide (10 mol %). The reaction was heated to 55° C. for 16 hours and then cooled to room temperature and diluted with water (15 mL) and ethyl acetate (10 mL). The phases were separated and the aqueous phase was extracted further with ethyl acetate (3×10 mL). The combined organic phases were then washed with water, dried over sodium sulfate and concentrated to a residue that was purified by column chromatography (dichloromethane to 90% dichloromethane/9% methanol/1% ammonium hydroxide) to afford the title compound as an off-white solid (83.5 mg, 75%). LCMS (ESI) 476 (M+H)

Provenance & Evidence