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Cesium carbonate → 1-({3,4-Difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-(trifluoromethyl)azetidin-3-ol

HRID 1717546
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HRID 1717546 반응식
[F:1][C:2]1[C:3]([NH:16][C:17]2[CH:22]=[CH:21][C:20]([I:23])=[CH:19][C:18]=2[F:24])=[C:4]([C:9]([N:11]2[CH2:14][C:13](=[O:15])[CH2:12]2)=[O:10])[CH:5]=[CH:6][C:7]=1[F:8].[F:25][C:26]([Si](C)(C)C)([F:28])[F:27].C(=O)([O-])[O-].[Cs+].[Cs+]>CN(C=O)C>[F:1][C:2]1[C:3]([NH:16][C:17]2[CH:22]=[CH:21][C:20]([I:23])=[CH:19][C:18]=2[F:24])=[C:4]([C:9]([N:11]2[CH2:12][C:13]([C:26]([F:28])([F:27])[F:25])([OH:15])[CH2:14]2)=[O:10])[CH:5]=[CH:6][C:7]=1[F:8]
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참가 물질

5

반응물 3

HCID 10796Cesium carbonateHCID 552549(Trifluoromethyl)trimethylsilaneHCID 16223411{3,4-Difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonylazetidin-3-one

생성물 1

HCID 162234141-({3,4-Difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-(trifluoromethyl)azetidin-3-ol수율 69%

시약·촉매·용매 1

HCID 6228
Dimethylformamide
용매

실험 절차

1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)azetidin-3-one (25 mg, 0.056 mmol), prepared using procedures described in Example 6, was taken into DMF (0.5 mL) followed by addition of (trifluoromethyl)trimethylsilane (40 μL, 0.28 mmol) and cesium carbonate (22 mg, 0.067 mmol) and the mixture was stirred for one hour at room temperature. The mixture was partitioned with ethyl ether and water and the organic phase washed three times with additional water then brine and dried over anhydrous sodium sulfate. Filtration and concentration followed by silica gel flash chromatography of the residue using hexanes:ethyl acetate 3:2 as eluent afforded 1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-(trifluoromethyl)azetidin-3-ol (19.8 mg, 69% yield) as a colorless crystalline solid. 1H-NMR (400 MHz, CDCl3): 8.31-8.26 (br, 1H), 7.40 (d, 1H), 7.33 (d, 1H), 7.13-7.10 (m, 1H), 6.86-6.80 (m, 1H), 6.65-6.60 (m, 1H), 4.42 (br s, 2H), 4.18 (br s, 2H). MS (EI) for C17H11F61N2O2: 517 (MH+).

후처리

  1. customThe mixture was partitioned with ethyl ether and water
  2. washthe organic phase washed three times with additional water
  3. dry with materialbrine and dried over anhydrous sodium sulfate
  4. filtrationFiltration and concentration

출처 및 근거

ORD 기록
ord-1ce9341a3d9b4c4fb79a966e8746e662
출처 데이터셋
uspto-grants-2010_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07803839B2

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