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Cesium carbonate → 3-Fluoro-4-[(3-methylbenzimidazol-5-yl)amino]benzonitrile

HRID 59947
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HRID 59947 반응식
Br[C:2]1[CH:3]=[CH:4][C:5]2[N:9]=[CH:8][N:7]([CH3:10])[C:6]=2[CH:11]=1.[NH2:12][C:13]1[CH:20]=[CH:19][C:16]([C:17]#[N:18])=[CH:15][C:14]=1[F:21].CC(C1C=C(C(C)C)C(C2C=CC=CC=2P(C2CCCCC2)C2CCCCC2)=C(C(C)C)C=1)C.C([O-])([O-])=O.[Cs+].[Cs+]>C1(C)C=CC=CC=1.CC([O-])=O.CC([O-])=O.[Pd+2].CCOC(C)=O>[F:21][C:14]1[CH:15]=[C:16]([CH:19]=[CH:20][C:13]=1[NH:12][C:2]1[CH:3]=[CH:4][C:5]2[N:9]=[CH:8][N:7]([CH3:10])[C:6]=2[CH:11]=1)[C:17]#[N:18]
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참가 물질

8

반응물 4

HCID 10796Cesium carbonateHCID 27564314-Amino-3-fluorobenzonitrileHCID 111557942-Dicyclohexylphosphino-2',4',6'-triisoprophylbiphenylHCID 235376446-Bromo-1-methyl-1H-benzimidazole

생성물 1

HCID 1182353423-Fluoro-4-[(3-methylbenzimidazol-5-yl)amino]benzonitrile

시약·촉매·용매 3

HCID 167845
palladium(II) acetate
촉매
HCID 1140Toluene용매
HCID 8857Ethyl Acetate용매

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온도
110 °C

실험 절차

A mixture containing 6-bromo-1-methyl-benzimidazole (2.38 mmol), 4-amino-3-fluoro-benzonitrile (3.57 mmol), XPhos (0.95 mmol), Cs2CO3 (7.14 mmol) and Pd(OAc)2 (0.71 mmol) in dry toluene (8 mL) was stirred at 110° C. for approximately 16 h. The mixture was diluted (EtOAc), washed (H2O), dried (Na2SO4) and concentrated to yield the desired product 3-fluoro-4-[(3-methylbenzimidazol-5-yl)amino]benzonitrile.

후처리

  1. washwashed (H2O)
  2. dry with materialdried (Na2SO4)
  3. concentrationconcentrated

출처 및 근거

ORD 기록
ord-efd2f57049f347bb9455181c6f81fbac
출처 데이터셋
uspto-grants-2016_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09440929B2

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