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N,N,N',N'-Tetramethylethylenediamine → 4-[5-(3,5-Dichloro-phenyl)-5-trifluoromethyl-4,5-dihydro-isoxazol-3-yl]-2-methyl-benzaldehyde

HRID 1525753
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HRID 1525753 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].CC1(C)C2C(=C(P(C3C=CC=CC=3)C3C=CC=CC=3)C=CC=2)[O:47][C:29]2C(P(C3C=CC=CC=3)C3C=CC=CC=3)=CC=CC1=2.CN(C)CCN(C)C>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:29]=[O:47])=[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 8037N,N,N',N'-TetramethylethylenediamineHCID 6360441,1'-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis(1,1-diphenylphosphine)HCID 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 15%

시약·촉매·용매 1

HCID 6228
Dimethylformamide
용매

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온도
100 °C

실험 절차

A reaction autoclave was charged with 3-(4-bromo-3-methyl-phenyl)-5-(3,5-dichlorophenyl)-5-trifluoromethyl-4,5-dihydro-isoxazole (0.10 g, 0.22 mmol), palladium dichloride cyclooctadiene complex (1.6 mg, 2.5 mol-%), xanthphos (9.7 mg, 7.5 mol-%), N,N,N′,N′-tetramethylethylene diamine (19.3 mg, 0.75 equiv.) and DMF (2 mL) and purged with synthesis gas (carbon monoxide:hydrogen=1:1) to 5 bar. The reaction autoclave was heated to 100° C. for 16 h and then cooled to ambient temperature. After release of the pressure, the reaction mixture was concentrated under reduced pressure and the residue was purified by flash chromatography on silica gel to yield the title compound (13 mg, 15%).

후처리

  1. custompurged with synthesis gas (carbon monoxide:hydrogen=1:1) to 5 bar
  2. temperaturecooled to ambient temperature
  3. concentrationAfter release of the pressure, the reaction mixture was concentrated under reduced pressure
  4. customthe residue was purified by flash chromatography on silica gel

출처 및 근거

ORD 기록
ord-499d5e87306c4603a0b467113f159c37
출처 데이터셋
uspto-grants-2015_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09085541B2

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