反应详情

A mixture of ethyl 4-[(2-nitrophenyl)amino]benzoate from Step A (755 mg, 2.64 mmol) and 10% Pd/C (505 mg) in EtOH (25 mL) was stirred under an atmosphere of hydrogen (ca. 1 atm) for 4 h. The mixture was filtered through a pad of Celite, washing with EtOH, and the filtrate was concentrated to give the title compound. MS: m/z=257 (M+1).

1. filtrationThe mixture was filtered through a pad of Celite
2. washwashing with EtOH
3. concentrationthe filtrate was concentrated