tert-Butyl piperazine-1-carboxylate → 4-(4-tert-butoxycarbonyl-1-piperazinyl)methyl-6-(3-fluoro-4-methoxyphenyl)-2-isobutyl-2H-pyridazin-3-one

HRID 7929

Reaction equation

HRID 7929 reaction equation
[C:1]([O:5][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:7])([CH3:4])([CH3:3])[CH3:2].[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].N1(C(OC(C)(C)C)=O)CCNCC1>>[C:1]([O:5][C:6]([N:8]1[CH2:13][CH2:12][N:11]([CH2:14][C:45]2[C:46](=[O:53])[N:47]([CH2:49][CH:50]([CH3:51])[CH3:52])[N:48]=[C:43]([C:37]3[CH:38]=[CH:39][C:40]([O:41][CH3:42])=[C:35]([F:34])[CH:36]=3)[CH:44]=2)[CH2:10][CH2:9]1)=[O:7])([CH3:4])([CH3:3])[CH3:2]

Participants

4

Reactant 3

HCID 143452tert-Butyl piperazine-1-carboxylateHCID 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 219916094-(4-tert-butoxycarbonyl-1-piperazinyl)methyl-6-(3-fluoro-4-methoxyphenyl)-2-isobutyl-2H-pyridazin-3-oneYield 94.3%

Procedure

Following the procedure of Example 1 (10), 6-(3-fluoro-4-methoxyphenyl)-2-isobutyl-4-methane-sulfonyloxy-methyl-2H-pyridazin-3-one and tert-butyl 1-piperazine-carboxylate were reacted to yield the title compound as a yellow oil (yield: 94.3%).

Workup

  1. customwere reacted

Sources & evidence

ORD record
ord-d070f2e59f204245b53f8b942c85a307
Source dataset
uspto-grants-2006_08
Patent number
US07087606B2

Linked notes

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