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Sodium Carbonate → 4-[5-(3,5-Dichloro-phenyl)-5-trifluoromethyl-4,5-dihydro-isoxazol-3-yl]-2-methyl-benzaldehyde

HRID 1022834
ノート
印刷プレビュー

反応式

HRID 1022834 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([SiH](CC)CC)C.[C:33](=O)([O-])[O-:34].[Na+].[Na+]>CN(C=O)C>[Cl:24][C:19]1[CH:18]=[C:17]([C:11]2([C:13]([F:16])([F:15])[F:14])[O:10][N:9]=[C:8]([C:5]3[CH:6]=[CH:7][C:2]([CH:33]=[O:34])=[C:3]([CH3:25])[CH:4]=3)[CH2:12]2)[CH:22]=[C:21]([Cl:23])[CH:20]=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

5

反応物 3

HCID 10340Sodium CarbonateHCID 12052TriethylsilaneHCID 231598123-(4-Bromo-3-methylphenyl)-5-(3,5-dichlorophenyl)-5-(trifluoromethyl)-4,5-dihydroisoxazole

生成物 1

HCID 866585204-[5-(3,5-Dichloro-phenyl)-5-trifluoromethyl-4,5-dihydro-isoxazol-3-yl]-2-methyl-benzaldehyde収率 76.2%

試薬・触媒・溶媒 1

HCID 6228Dimethylformamide
溶媒

反応条件

温度
65 °C

実験手順

A mixture of 3-(4-bromo-3-methyl-phenyl)-5-(3,5-dichloro-phenyl)-5-trifluoromethyl-4,5-dihydro-isoxazole (14.20 g, 31.34 mmol), triethyl silane (10.3 mL, 7.53 g, 62.8 mmol), sodium carbonate (5.43 g, 39.3 mmol), palladium bis(diphenylphosphine)-ferrocene dichloride CH2Cl2-complex (1.28 g, 1.57 mmol) and DMF (250 mL) were stirred under an atmosphere of carbon monoxide at 65° C. over night. After cooling to room temperature, the solvent was evaporated and the residue taken up in MTBE (methyl-tert-butyl ether), filtered and the filtrate was concentrated in vacuum. Purification of the residue on silica gel afforded the title compound (9.60 g, 76%).

後処理

  1. temperatureAfter cooling to room temperature
  2. customthe solvent was evaporated
  3. filtrationfiltered
  4. concentrationthe filtrate was concentrated in vacuum
  5. customPurification of the residue on silica gel

出典と根拠

ORDレコード
ord-61ddfaa702614e328bd7f3aec0405dc9
出典データセット
uspto-grants-2014_05
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08722673B2

反応ノート

読み込み中…

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