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

HRID 1808950
ノート
印刷プレビュー

反応式

HRID 1808950 の反応式
[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]
参加物実験手順後処理出典と根拠反応ノート

参加物

5

反応物 3

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

生成物 1

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

試薬・触媒・溶媒 1

HCID 6228
Dimethylformamide
溶媒

実験手順

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 C17H11F6IN2O2: 517 (MH+).

後処理

  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

出典と根拠

ORDレコード
ord-471bcd3c2cc2454bb00a81f9ccdbc632
出典データセット
uspto-grants-2013_01
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08362002B2

反応ノート

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