[NH2:1][C:2]1[C:24]([Cl:25])=[CH:23][C:5]([C:6]([NH:8][CH2:9][CH:10]2[O:15][CH2:14][CH2:13][N:12](CC3C=CC=CC=3)[CH2:11]2)=[O:7])=[C:4]([O:26][CH3:27])[CH:3]=1.C(O)C>[Pd].C(O)(=O)C>[NH2:1][C:2]1[C:24]([Cl:25])=[CH:23][C:5]([C:6]([NH:8][CH2:9][CH:10]2[O:15][CH2:14][CH2:13][NH:12][CH2:11]2)=[O:7])=[C:4]([O:26][CH3:27])[CH:3]=1A mixture of 4-amino-N-[(4-benzyl-2-morpholinyl)methyl]-5-chloro-2-methoxybenzamide (5.0 g), ethanol (100 ml), and acetic acid (20 ml) is hydrogenated over 10% palladium on carbon (0.5 g) at 25° C. After the calculated amount of hydrogen is absorbed, the catalyst is filtered off. The filtrate is evaporated under reduced pressure to give the title compound (3.8 g).
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