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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
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인쇄 미리보기

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HRID 1022834 반응식
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
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참가 물질

5

반응물 3

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

생성물 1

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

시약·촉매·용매 1

HCID 6228Dimethylformamide
용매

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온도
65 °C

실험 절차

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%).

후처리

  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

출처 및 근거

ORD 기록
ord-61ddfaa702614e328bd7f3aec0405dc9
출처 데이터셋
uspto-grants-2014_05
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08722673B2

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