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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
ノート
印刷プレビュー

反応式

HRID 7915 の反応式
[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]
参加物反応条件実験手順後処理出典と根拠反応ノート

参加物

6

反応物 4

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

生成物 1

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

試薬・触媒・溶媒

1
HCID 6342Acetonitrile溶媒

反応条件

温度
80 °C

実験手順

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%).

後処理

  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)]

出典と根拠

ORDレコード
ord-fe9e652ae9ab4faca893097b8edf8b1c
出典データセット
uspto-grants-2006_08
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07087606B2

反応ノート

読み込み中…

このページの内容参加物反応条件実験手順後処理出典と根拠反応ノート