反应详情

Under hydrogen gas atmosphere, a mixture of methyl 4-[(2,6-dinitrophenyl)amino]-3-hydroxybutanoate (Reference Example 79; 2.53 g, 8.45 mmol), 10% palladium on carbon (50% wet, 500 mg) and tetrahydrofuran (85 mL) was stirred at room temperature for 6 hr. The reaction mixture was filtered and concentrated in vacuo to give the title compound as a solid (2.00 g, 8.36 mmol, 99%).

1. filtrationThe reaction mixture was filtered
2. concentrationconcentrated in vacuo