Hydrochloric Acid → (3-Amino-2,5,6-trifluorophenyl)(3-morpholinoquinoxalin-6-yl)methanone

Participants

Reaction Conditions

Reaction Steps

To a solution of N-(2,4,5-trifluoro-3-(3-morpholinoquinoxaline-6-carbonyl)phenyl)pivalamide (560 mg, 1.2 mmol, 1.0 eq.) in HOAc (10 mL) was added conc. HCl (50 mL). The mixture was stirred at 110° C. for 4 h, then poured onto ice. The mixture was adjusted to pH 10 by the addition of 1N NaOH solution, then extracted with DCM (100 mL×3). The combined organic layers were dried over Na2SO4 and concentrated. The resulting residue was purified by flash column chromatography (PE/EA=1/4, v/v) to afford (3-amino-2,5,6-trifluorophenyl)(3-morpholinoquinoxalin-6-yl)methanone as brown solid (410 mg, 88% yield).

Provenance & Evidence