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

HRID 7975Notes

Reaction equation

HRID 7975 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:19]=2[CH3:20])[CH2:10][CH2:9]1)=[O:7])([CH3:4])([CH3:3])[CH3:2].[F:34][C:35]1[CH:40]=[C:39]([F:41])[CH:38]=[CH:37][C:36]=1[C:42]1C=C(COS(C)(=O)=O)[C:45](=[O:52])[N:46]([CH2:48][CH:49]([CH3:51])[CH3:50])[N:47]=1.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:19]2[C:45](=[O:52])[N:46]([CH2:48][CH:49]([CH3:50])[CH3:51])[N:47]=[C:42]([C:36]3[CH:37]=[CH:38][C:39]([F:41])=[CH:40][C:35]=3[F:34])[CH:20]=2)[CH2:10][CH2:9]1)=[O:7])([CH3:4])([CH3:2])[CH3:3]

Participants

4

Reactant 3

HCID 143452tert-Butyl piperazine-1-carboxylateHCID 219914166-(2,4-difluorophenyl)-2-isobutyl-4-methanesulfonyloxym ethyl-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 219915434-(4-tert-butoxycarbonyl-1-piperazinyl)methyl-6-(2,4-difluorophenyl)-2-isobutyl-2H-pyridazin-3-one

Procedure

Following the procedure of Example 1 (10), 6-(2,4-difluorophenyl)-2-isobutyl-4-methanesulfonyloxymethyl-2H-pyridazin-3-one and tert-butyl 1-piperazinecarboxylate were reacted to yield the title compound as a slightly yellow oil (yield: 97.5%).

Workup

  1. customwere reacted

Sources & evidence

ORD record
ord-94f9a2de92fb4bf98791169184bbb5e3
Source dataset
uspto-grants-2006_08
Patent number
US07087606B2

Reaction notes

Loading…