反应详情

Treat a solution of 2-benzyloxy-6-sec-butylamino-isonicotinic acid methyl ester (340 mg, 1.036 mmol) in methanol (15 mL) and ethyl acetate (5 mL) with 10% Pd/C (150 mg). Stir the mixture under a balloon containing hydrogen gas for 2.5 h. Filter through a filtering agent, wash with ethyl acetate and concentrate to give the title compound which is used directly in the next step without further purification.

1. filtrationFilter through a filtering agent
2. washwash with ethyl acetate
3. concentrationconcentrate