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Ethanol → Ethyl 4-(5-(3,5-dichlorophenyl)-5-(trifluoromethyl)-4,5-dihydroisoxazol-3-yl)-2-methylbenzoate

HRID 452515
ノート
印刷プレビュー

反応式

HRID 452515 の反応式
Br[C:2]1[CH:7]=[CH:6][C:5]([C:8]2[CH2:12][C:11]([C:17]3[CH:22]=[C:21]([Cl:23])[CH:20]=[C:19]([Cl:24])[CH:18]=3)([C:13]([F:16])([F:15])[F:14])[O:10][N:9]=2)=[CH:4][C:3]=1[CH3:25].[C:26]([O-:29])(=[O:28])C.[Na+].[C]=O.O.[CH2:34](O)[CH3:35]>C1(P(C2C=CC=CC=2)[C-]2C=CC=C2)C=CC=CC=1.[C-]1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=C1.[Fe+2].C([O-])(=O)C.[Pd+2].C([O-])(=O)C>[CH2:34]([O:29][C:26](=[O:28])[C:2]1[CH:7]=[CH:6][C:5]([C:8]2[CH2:12][C:11]([C:17]3[CH:18]=[C:19]([Cl:24])[CH:20]=[C:21]([Cl:23])[CH:22]=3)([C:13]([F:16])([F:15])[F:14])[O:10][N:9]=2)=[CH:4][C:3]=1[CH3:25])[CH3:35]
参加物実験手順後処理出典と根拠反応ノート

参加物

8

反応物 5

HCID 702EthanolHCID 962WaterHCID 517045Sodium AcetateHCID 231598123-(4-Bromo-3-methylphenyl)-5-(3,5-dichlorophenyl)-5-(trifluoromethyl)-4,5-dihydroisoxazoleHCID 178418416HCID 178418416、化合物

生成物 1

HCID 59563490Ethyl 4-(5-(3,5-dichlorophenyl)-5-(trifluoromethyl)-4,5-dihydroisoxazol-3-yl)-2-methylbenzoate

試薬・触媒・溶媒 2

HCID 167845palladium(II) acetate触媒HCID 635956Ferrocene-1,1'-bis-(diphenylphosphine)触媒

実験手順

In a solution of 15.0 g of 3-(4-bromo-3-methylphenyl)-5-(3,5-dichlorophenyl)-5-trifluoromethyl-4,5-dihydroisoxazole in 60 ml of ethanol in an autoclave, 3.26 g of sodium acetate, 0.37 g of 1,1′-bis(diphenylphosphino) ferrocene and 0.08 g of palladium (II) acetate were added, and stirred under 2.0 MPa carbon monoxide atmosphere at 110° C. for 3 hours. After the completion of the reaction, the reaction mixture was left and cooled to room temperature, 200 ml of water was added and extracted with ethyl acetate (200 ml×2), the organic phase was washed with water, dehydrated with saturated sodium chloride aqueous solution and dried over anhydrous sodium sulfate and the solvent was distilled off under reduced pressure. The residue was purified with silica gel column chromatography that was eluted with ethyl acetate-hexane (1:8) to obtain 10.8 g of the aimed product as colorless clear liquid. Refractive index nD21.4° C.=1.5474

後処理

  1. customAfter the completion of the reaction
  2. waitthe reaction mixture was left
  3. extractionextracted with ethyl acetate (200 ml×2)
  4. washthe organic phase was washed with water
  5. dry with materialdried over anhydrous sodium sulfate
  6. distillationthe solvent was distilled off under reduced pressure
  7. customThe residue was purified with silica gel column chromatography that
  8. washwas eluted with ethyl acetate-hexane (1:8)

出典と根拠

ORDレコード
ord-ef7f3ba0fd1744538f948e5e48220b66
出典データセット
uspto-grants-2013_07
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08492311B2

反応ノート

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