tert-Butyl piperazine-1-carboxylate → 2-cyclopropylmethyl-4-[3-(4-tert-butoxycarbonyl-1-piperazinyl)propyl]-6-(3-fluoro-4-methoxyphenyl)-2H-pyridazin-3-one

HRID 982815

Reaction equation

HRID 982815 reaction equation
[CH:1]1([CH2:4][N:5]2[C:10](=[O:11])[C:9]([CH2:12][CH2:13][CH2:14]OS(C)(=O)=O)=[CH:8][C:7]([C:20]3[CH:25]=[CH:24][C:23]([O:26][CH3:27])=[C:22]([F:28])[CH:21]=3)=[N:6]2)[CH2:3][CH2:2]1.[N:29]1([C:35]([O:37][C:38]([CH3:41])([CH3:40])[CH3:39])=[O:36])[CH2:34][CH2:33][NH:32][CH2:31][CH2:30]1>>[CH:1]1([CH2:4][N:5]2[C:10](=[O:11])[C:9]([CH2:12][CH2:13][CH2:14][N:32]3[CH2:33][CH2:34][N:29]([C:35]([O:37][C:38]([CH3:41])([CH3:40])[CH3:39])=[O:36])[CH2:30][CH2:31]3)=[CH:8][C:7]([C:20]3[CH:25]=[CH:24][C:23]([O:26][CH3:27])=[C:22]([F:28])[CH:21]=3)=[N:6]2)[CH2:3][CH2:2]1

Participants

3

Reactant 2

HCID 143452tert-Butyl piperazine-1-carboxylateHCID 219915592-cyclopropylmethyl-6-(3-fluoro-4-methoxyphenyl)-4-(3-metha nesulfonyloxypropyl)-2H-pyridazin-3-one

Product 1

HCID 219913982-cyclopropylmethyl-4-[3-(4-tert-butoxycarbonyl-1-piperazinyl)propyl]-6-(3-fluoro-4-methoxyphenyl)-2H-pyridazin-3-oneYield 76.9%

Procedure

Following the procedure of Example 1(10), 2-cyclopropylmethyl-6-(3-fluoro-4-methoxyphenyl)-4-(3-methanesulfonyloxypropyl)-2H-pyridazin-3-one and tert-butyl 1-piperazinecarboxylate were reacted to yield the title compound as a yellow oil (yield: 76.9%).

Workup

  1. customwere reacted

Sources & evidence

ORD record
ord-deb8da255c714e11817654fa6e1da493
Source dataset
uspto-grants-2005_03
Patent number
US06861428B2

Linked notes

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