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

HRID 7930

Reaction equation

HRID 7930 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]

Participants

4

Reactant 3

HCID 531671-MethylpiperazineHCID 21991399(3-fluoro-4-methoxyphenyl)-2-isobutyl-4-methane-sulfonylo xy-methyl-2H-pyridazin-3-oneHCID 672140994-(4-tert-butoxycarbonyl-1-piperazinyl)-methyl-6-(3-fluoro-4-methylphenyl)-2-isobutyl-2H-pyridazin-3-one

Product 1

HCID 219915036-(3-fluoro-4-methoxyphenyl)-2-isobutyl-4-(4-methyl-1-piperazinyl)methyl-2H-pyridazin-3-oneYield 80.9%

Procedure

Following the procedure of Example 1 (10), 6-(3-fluoro-4-methoxyphenyl)-2-isobutyl-4-methanesulfonyloxy-methyl-2H-pyridazin-3-one and 1-methylpiperazine were reacted to yield the title compound as a yellow oil (yield: 80.9%).

Workup

  1. customwere reacted

Sources & evidence

ORD record
ord-9a890b21ea1b4a5fba0835c8a826d216
Source dataset
uspto-grants-2006_08
Patent number
US07087606B2

Linked notes

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