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8-Hydroxyquinoline → 1-(4-Chlorophenyl)-3-(2,5-dimethylpyrrol-1-yl)-1H-pyrazole

HRID 83533
ノート
印刷プレビュー

反応式

HRID 83533 の反応式
[CH3:1][C:2]1[N:3]([C:8]2[CH:12]=[CH:11][NH:10][N:9]=2)[C:4]([CH3:7])=[CH:5][CH:6]=1.C(=O)([O-])[O-].[Cs+].[Cs+].N1C2C(=CC=CC=2O)C=CC=1.[Cl:30][C:31]1[CH:36]=[CH:35][C:34](I)=[CH:33][CH:32]=1>CN1CCCC1=O.[Cu-]=O.C1(C)C=CC=CC=1>[Cl:30][C:31]1[CH:36]=[CH:35][C:34]([N:10]2[CH:11]=[CH:12][C:8]([N:3]3[C:2]([CH3:1])=[CH:6][CH:5]=[C:4]3[CH3:7])=[N:9]2)=[CH:33][CH:32]=1
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

8

反応物 4

HCID 19238-HydroxyquinolineHCID 10796Cesium carbonateHCID 125101-Chloro-4-iodobenzeneHCID 178425430HCID 178425430、化合物

生成物 1

HCID 866803671-(4-Chlorophenyl)-3-(2,5-dimethylpyrrol-1-yl)-1H-pyrazole収率 96.5%

試薬・触媒・溶媒 3

HCID 178419072
HCID 178419072、化合物
触媒
HCID 1140Toluene溶媒
HCID 13387N-methyl-2-pyrrolidone溶媒

反応条件

温度
110 °C

実験手順

Under argon atmosphere, to a solution of 3-(2,5-dimethylpyrrol-1-yl)-1H-pyrazole (3.06 g) prepared according to the same procedures as Preparation 4 in N-methylpyrrolidone (31 ml) were sequentially added cesium carbonate (12.37 g), 8-quinolinol (0.55 g), copper (I) oxide (0.27 g) and 1-chloro-4-iodobenzene (6.79 g) at room temperature, the mixture was stirred at 110° C. for 2 hours. This reaction mixture was cooled to room temperature, and then toluene (30 ml) was added thereto, the mixture was filtered through Celite, and further subjected to elution with toluene. The filtrate was sequentially washed with a 1N aqueous solution of sodium hydroxide, water, a saturated aqueous solution of sodium chloride, dried over anhydrous sodium sulfate, and then concentrated under reduced pressure. The resulting residue was purified by silica gel column chromatography (eluent: n-hexane/ethyl acetate=1/0 to 9/1) to give the titled compound (4.98 g).

後処理

  1. customat room temperature
  2. temperatureThis reaction mixture was cooled to room temperature
  3. filtrationthe mixture was filtered through Celite
  4. washfurther subjected to elution with toluene
  5. washThe filtrate was sequentially washed with a 1N aqueous solution of sodium hydroxide, water
  6. dry with materiala saturated aqueous solution of sodium chloride, dried over anhydrous sodium sulfate
  7. concentrationconcentrated under reduced pressure
  8. customThe resulting residue was purified by silica gel column chromatography (eluent: n-hexane/ethyl acetate=1/0 to 9/1)

出典と根拠

ORDレコード
ord-7b4191a76f0643c9b6f8e47b5d240bc2
出典データセット
uspto-grants-2014_09
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08846746B2

反応ノート

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