1-Methylpiperazine → 6-(3-fluoro-4-methoxyphenyl)-2-isobutyl-4-(4-methyl-1-piperazinyl)methyl-2H-pyridazin-3-one

Reaction equation

C(O[C:6]([N:8]1[CH2:13][CH2:12][N:11]([C:14]2C(=O)N(CC(C)C)N=C(C3C=CC(C)=C(F)C=3)C=2C)[CH2:10][CH2:9]1)=O)(C)(C)C.[F:34][C:35]1[CH:36]=[C:37]([C:43]2[C:44](C)=[C:45](OS(C)(=O)=O)[C:46](=[O:53])[N:47]([CH2:49][CH:50]([CH3:52])[CH3:51])[N:48]=2)[CH:38]=[CH:39][C:40]=1[O:41][CH3:42].CN1CCNCC1>>[F:34][C:35]1[CH:36]=[C:37]([C:43]2[CH:44]=[C:45]([CH2:6][N:8]3[CH2:13][CH2:12][N:11]([CH3:14])[CH2:10][CH2:9]3)[C:46](=[O:53])[N:47]([CH2:49][CH:50]([CH3:51])[CH3:52])[N:48]=2)[CH:38]=[CH:39][C:40]=1[O:41][CH3:42]