(2R)-N-(4-cyanophenyl)-2-hydroxy-2-[(2R)-4-(4-methyl-3-nitrophenyl)-3-oxomorpholin-2-yl]acetamide 在
铁粉 铁粉 、 amino-silica gel 、
methanol-dichloromethane 作用下,
以
acetic acid monohydrate 为溶剂,
反应 3.0h,
以to obtain compound 9-5 (30 mg) as a colorless amorphous solid的产率得到(2R)-2-[(2R)-4-(3-amino-4-methylphenyl)-3-oxomorpholin-2-yl]-N-(4-cyanophenyl)-2-hydroxyacetamide