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

HRID 7925

Reaction equation

HRID 7925 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].[CH:34]1([CH2:37][N:38]2[C:43](=[O:44])[C:42](COS(C)(=O)=O)=[CH:41][C:40]([C:51]3[CH:56]=[CH:55][C:54]([O:57][CH3:58])=[C:53]([F:59])[CH:52]=3)=[N:39]2)[CH2:36][CH2:35]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:42]2[C:43](=[O:44])[N:38]([CH2:37][CH:34]3[CH2:36][CH2:35]3)[N:39]=[C:40]([C:51]3[CH:56]=[CH:55][C:54]([O:57][CH3:58])=[C:53]([F:59])[CH:52]=3)[CH:41]=2)[CH2:10][CH2:9]1)=[O:7])([CH3:4])([CH3:3])[CH3:2]

Participants

4

Reactant 3

HCID 143452tert-Butyl piperazine-1-carboxylateHCID 219916182-cyclopropylmethyl-6-(3-fluoro-4-methoxyphenyl)-4-meth anesulfonyloxymethyl-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 219915604-(4-tert-butoxycarbonyl-1-piperazinyl)methyl-2-cyclopropylmethyl-6-(3-fluoro-4-methoxyphenyl)-2H-pyridazin-3-oneYield 98.9%

Procedure

Following the procedure of Example 1 (10), 2-cyclopropylmethyl-6-(3-fluoro-4-methoxyphenyl)-4-methane-sulfonyloxymethyl-2H-pyridazin-3-one and tert-butyl 1-piperazinecarboxylate were reacted to yield the title compound as a pale brown oil (yield: 98.9%).

Workup

  1. customwere reacted

Sources & evidence

ORD record
ord-1b22b684fe264dafbcb44e4cb70461a5
Source dataset
uspto-grants-2006_08
Patent number
US07087606B2

Linked notes

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