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Water → 4-(4-tert-butoxycarbonyl-1-piperazinyl)-methyl-6-(3-fluoro-4-methylphenyl)-2-isobutyl-2H-pyridazin-3-one

HRID 7915
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HRID 7915 반응식
[F:1][C:2]1[CH:3]=[C:4]([C:9]2[CH:10]=[C:11](COS(C)(=O)=O)[C:12](=[O:19])[N:13]([CH2:15][CH:16]([CH3:18])[CH3:17])[N:14]=2)[CH:5]=[CH:6][C:7]=1[CH3:8].[C:26](=O)([O-])[O-].[K+].[K+].[N:32]1([C:38]([O:40][C:41]([CH3:44])([CH3:43])[CH3:42])=[O:39])[CH2:37][CH2:36][NH:35][CH2:34][CH2:33]1.O>C(#N)C>[C:41]([O:40][C:38]([N:32]1[CH2:37][CH2:36][N:35]([C:11]2[C:12](=[O:19])[N:13]([CH2:15][CH:16]([CH3:17])[CH3:18])[N:14]=[C:9]([C:4]3[CH:5]=[CH:6][C:7]([CH3:8])=[C:2]([F:1])[CH:3]=3)[C:10]=2[CH3:26])[CH2:34][CH2:33]1)=[O:39])([CH3:44])([CH3:43])[CH3:42]
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참가 물질

6

반응물 4

HCID 962WaterHCID 11430Potassium CarbonateHCID 143452tert-Butyl piperazine-1-carboxylateHCID 219915316-(3-fluoro-4-methylphenyl)-2-isobutyl-4-methane-sulfonyloxymethyl-2H-pyridazin-3-one

생성물 1

HCID 672140994-(4-tert-butoxycarbonyl-1-piperazinyl)-methyl-6-(3-fluoro-4-methylphenyl)-2-isobutyl-2H-pyridazin-3-one수율 92.9%

시약·촉매·용매

1
HCID 6342Acetonitrile용매

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온도
80 °C

실험 절차

To a solution of 6-(3-fluoro-4-methylphenyl)-2-isobutyl-4-methanesulfonyloxy methyl-2H-pyridazin-3-one (100 mg, 0.27 mmol) in acetonitrile (1 mL) were added potassium carbonate (56.3 mg, 0.41 mmol) and tert-butyl 1-piperazine-carboxylate (60.7 mg, 0.33 mmol), and the mixture was stirred at 80° C. for 2 hours. The temperature of the reaction mixture was allowed to drop back to room temperature, and then, water was added. The mixture was extracted with chloroform. The extract was dried over anhydrous sodium sulfate. The solvent was distilled off under reduced pressure, and the residue was purified by column chromatography on silica gel [chloroform/methanol (40/1)] to yield the title compound as a yellow oil (115 mg, 92.4%).

후처리

  1. customto drop back to room temperature
  2. extractionThe mixture was extracted with chloroform
  3. dry with materialThe extract was dried over anhydrous sodium sulfate
  4. distillationThe solvent was distilled off under reduced pressure
  5. customthe residue was purified by column chromatography on silica gel [chloroform/methanol (40/1)]

출처 및 근거

ORD 기록
ord-fe9e652ae9ab4faca893097b8edf8b1c
출처 데이터셋
uspto-grants-2006_08
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07087606B2

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