反应详情

A solution of ethyl 5-(5-tert-butoxycarbonylaminomethyl-2-nitrophenyl)pent-4-enoate (560 mg, 1.48 mmol) in ethyl acetate (20 mL) was hydrogenated over platinum oxide (100 mg) under atmospheric pressure of hydrogen at room temperature for 2.5 h. The mixture was passed through celite and the filtrate was concentrated to give 560 mg of the title compound (100%).

1. concentrationthe filtrate was concentrated