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Cesium fluoride → 3-(5-(7-(2-Fluoro-4-nitrophenoxy)thieno[3,2-b]pyridin-2-yl)pyridin-2-yloxy)-N,N-dimethylpropan-1-amine

HRID 418728
ノート
印刷プレビュー

反応式

HRID 418728 の反応式
Br[C:2]1[S:10][C:9]2[C:4](=[N:5][CH:6]=[CH:7][C:8]=2[O:11][C:12]2[CH:17]=[CH:16][C:15]([N+:18]([O-:20])=[O:19])=[CH:14][C:13]=2[F:21])[CH:3]=1.[CH3:22][N:23]([CH3:43])[CH2:24][CH2:25][CH2:26][O:27][C:28]1[CH:33]=[CH:32][C:31](B2OC(C)(C)C(C)(C)O2)=[CH:30][N:29]=1.[F-].[Cs+].C(=O)(O)[O-].[Na+]>COCCOC.O.C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1>[F:21][C:13]1[CH:14]=[C:15]([N+:18]([O-:20])=[O:19])[CH:16]=[CH:17][C:12]=1[O:11][C:8]1[CH:7]=[CH:6][N:5]=[C:4]2[CH:3]=[C:2]([C:31]3[CH:32]=[CH:33][C:28]([O:27][CH2:26][CH2:25][CH2:24][N:23]([CH3:22])[CH3:43])=[N:29][CH:30]=3)[S:10][C:9]=12
参加物実験手順後処理出典と根拠反応ノート

参加物

8

反応物 4

HCID 25953Cesium fluorideHCID 516892Sodium BicarbonateHCID 17998906N,N-Dimethyl-3-((5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)oxy)propan-1-amineHCID 594245212-Bromo-7-(2-fluoro-4-nitrophenoxy)thieno[3,2-b]pyridine

生成物 1

HCID 587903463-(5-(7-(2-Fluoro-4-nitrophenoxy)thieno[3,2-b]pyridin-2-yl)pyridin-2-yloxy)-N,N-dimethylpropan-1-amine
収率 75%

試薬・触媒・溶媒 3

HCID 178418397HCID 178418397、化合物触媒HCID 962Water溶媒HCID 80711,2-Dimethoxyethane溶媒

実験手順

Bromothienopyridine 50 (1.22 g, 3.30 mmol), N,N-dimethyl-3-(5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yloxy)propan-1-amine (1.15 g, 3.76 mmol), and tetrakis(triphenylphosphine)palladium (0.14 g, 0.12 mmol) were dissolved in dry DME (100 mL). Cesium fluoride (1.51 g, 10.0 mmol) and sodium bicarbonate (0.81 g, 9.6 mmol) were dissolved in water (5 ml each) and added to the reaction mixture, which was degassed with a stream of N2, then heated to reflux for 4 h, cooled, and concentrated. The residue was partitioned between ethyl acetate and water. The organic phase was collected, washed with brine, dried (anhydrous MgSO4), filtered, and concentrated. The resulting orange solid was triturated with ether to provide 379 (1.12 g, 75% yield). LRMS (M+H): 469.2.

後処理

  1. additionadded to the reaction mixture, which
  2. customwas degassed with a stream of N2
  3. temperatureheated
  4. temperatureto reflux for 4 h
  5. temperaturecooled
  6. concentrationconcentrated
  7. customThe residue was partitioned between ethyl acetate and water
  8. customThe organic phase was collected
  9. washwashed with brine
  10. dry with materialdried (anhydrous MgSO4)
  11. filtrationfiltered
  12. concentrationconcentrated
  13. customThe resulting orange solid was triturated with ether

出典と根拠

ORDレコード
ord-df937bfb38384629b1fa9fdfccbde3e6
出典データセット
uspto-grants-2012_01
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08093264B2

反応ノート

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