Acetaldehyde → 4-[1-[3-(Ethylamino)-2-pyridyl]piperazin-4-yl-carbonyl]benzoic acid methyl ester

Reaction equation

[CH3:1][O:2][C:3](=[O:25])[C:4]1[CH:9]=[CH:8][C:7]([C:10]([N:12]2[CH2:17][CH2:16][N:15]([C:18]3[C:23]([NH2:24])=[CH:22][CH:21]=[CH:20][N:19]=3)[CH2:14][CH2:13]2)=[O:11])=[CH:6][CH:5]=1.[CH:26](=O)[CH3:27].C([BH3-])#N.[Na+].[OH-].[Na+]>CO.O.C(O)(=O)C>[CH3:1][O:2][C:3](=[O:25])[C:4]1[CH:9]=[CH:8][C:7]([C:10]([N:12]2[CH2:13][CH2:14][N:15]([C:18]3[C:23]([NH:24][CH2:26][CH3:27])=[CH:22][CH:21]=[CH:20][N:19]=3)[CH2:16][CH2:17]2)=[O:11])=[CH:6][CH:5]=1