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Sodium borohydride → 3-Fluoro-4-(2-(1-propyl-1H-imidazol-4-yl)thieno[3,2-b]pyridin-7-yloxy)aniline

HRID 2193709
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HRID 2193709 반응식
[F:1][C:2]1[CH:25]=[C:24]([N+:26]([O-])=O)[CH:23]=[CH:22][C:3]=1[O:4][C:5]1[CH:10]=[CH:9][N:8]=[C:7]2[CH:11]=[C:12]([C:14]3[N:15]=[CH:16][N:17]([CH2:19][CH2:20][CH3:21])[CH:18]=3)[S:13][C:6]=12.[BH4-].[Na+]>CO.C1COCC1.Cl[Ni]Cl>[F:1][C:2]1[CH:25]=[C:24]([CH:23]=[CH:22][C:3]=1[O:4][C:5]1[CH:10]=[CH:9][N:8]=[C:7]2[CH:11]=[C:12]([C:14]3[N:15]=[CH:16][N:17]([CH2:19][CH2:20][CH3:21])[CH:18]=3)[S:13][C:6]=12)[NH2:26]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 2

HCID 4311764Sodium borohydrideHCID 587903777-(2-Fluoro-4-nitrophenoxy)-2-(1-propyl-1H-imidazol-4-yl)thieno[3,2-b]pyridine

생성물 1

HCID 587904093-Fluoro-4-(2-(1-propyl-1H-imidazol-4-yl)thieno[3,2-b]pyridin-7-yloxy)aniline수율 86.7%

시약·촉매·용매 2

HCID 24385Nickel Dichloride촉매HCID 21899815MeOH tetrahydrofuran
용매

실험 절차

To a solution of the nitro compound 132 (4.13 g, 10.36 mmol) in MeOH/THF (100 ml/100 mL) was added NiCl2×6H2O (4.92 g, 20.73 mmol) and NaBH4 (1.54 mg, 41.44 mmol). The reaction mixture was allowed to stir for 1 hr, concentrated to dryness and the resultant solid was dissolved in 2 M HCl. The acidic solution was then made basic with aqueous ammonium hydroxide solution and extracted with EtOAc. The organic extract was dried over anhydrous sodium sulfate, filtered and evaporated The residue was purified by flash chromatography (eluents DCM-MeOH, 98:2, 95:5) to afford title compound 133 (3.31 g, 86% yield) as a pink solid. MS (m/z): 368.1 (M+H).

후처리

  1. concentrationconcentrated to dryness
  2. dissolutionthe resultant solid was dissolved in 2 M HCl
  3. extractionextracted with EtOAc
  4. extractionThe organic extract
  5. dry with materialwas dried over anhydrous sodium sulfate
  6. filtrationfiltered
  7. customevaporated The residue
  8. customwas purified by flash chromatography (eluents DCM-MeOH, 98:2, 95:5)

출처 및 근거

ORD 기록
ord-cd658a10a8664650bc33fe7c1ccd5ef8
출처 데이터셋
uspto-grants-2012_12
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08329726B2

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