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2-(4-Bromo-3-nitro-phenyl)-3-(trifluoromethyl)-pyridine → 2-Nitro-4-(3-trifluoromethyl-pyridin-2-yl)-benzonitrile

HRID 968575
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반응식

HRID 968575 반응식
Br[C:2]1[CH:7]=[CH:6][C:5]([C:8]2[C:13]([C:14]([F:17])([F:16])[F:15])=[CH:12][CH:11]=[CH:10][N:9]=2)=[CH:4][C:3]=1[N+:18]([O-:20])=[O:19].[C:21]([Cu])#[N:22]>CC(N(C)C)=O.CCOC(C)=O>[N+:18]([C:3]1[CH:4]=[C:5]([C:8]2[C:13]([C:14]([F:17])([F:16])[F:15])=[CH:12][CH:11]=[CH:10][N:9]=2)[CH:6]=[CH:7][C:2]=1[C:21]#[N:22])([O-:20])=[O:19]
참가 물질반응 조건실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 2

HCID 220301962-(4-Bromo-3-nitro-phenyl)-3-(trifluoromethyl)-pyridineHCID 178418546HCID 178418546, 화합물

생성물 1

HCID 220300632-Nitro-4-(3-trifluoromethyl-pyridin-2-yl)-benzonitrile

시약·촉매·용매 2

HCID 8857Ethyl Acetate용매HCID 31374Dimethylacetamide용매

반응 조건

온도
110 °C

실험 절차

To a solution of 2-(4-bromo-3-nitro-phenyl)-3-(trifluoromethyl)-pyridine (0.55 mmol) in DMA (4 mL) add CuCN (0.60 mmol). Stir the mixture 4 hours at 110° C. Cool to room temperature, dilute with 20 ml of EtOAc, and filter through celite pad. Wash the filtrated with brine, dry over Na2SO4, concentrate under vacuum, and purify by flash chromatography (1:1 hexanes/EtOAc) to give 2-nitro-4-(3-trifluoromethyl-pyridin-2-yl)-benzonitrile.

후처리

  1. temperatureCool to room temperature
  2. filtrationfilter through celite pad
  3. washWash the
  4. filtrationfiltrated with brine
  5. dry with materialdry over Na2SO4
  6. concentrationconcentrate under vacuum
  7. custompurify by flash chromatography (1:1 hexanes/EtOAc)

출처 및 근거

ORD 기록
ord-227a52b2d2cd486faa6f72a819ab6671
출처 데이터셋
uspto-grants-2007_12
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07304059B2

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