反应详情

2-Butyrylamino-5-chloro-benzamide (1.08 g, 4.49 mmol, 1 eq.), 1.000 N NaOH (13.46 mL, 13.5 mmol, 3 eq.) and ethanol (10 mL) were mixed and stirred at rt for 15 minutes. The mixture was acidified to pH=2 with 1.000 N HCl. The mixture was extracted with ethyl acetate. Solids that did not dissolve were filtered and rinsed with diethyl ether to dry. Obtained 810 mg of a white solid product. LCMS detects (M+H)+=223.

1. extractionThe mixture was extracted with ethyl acetate
2. dissolutionSolids that did not dissolve
3. filtrationwere filtered
4. washrinsed with diethyl ether
5. customto dry