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Cesium carbonate → Isopropyl 2-[3-[[5-(3,5-difluorophenyl)-2,3-dimethyl-phenyl]methylamino]-2,4-difluoro-phenoxy]acetate

HRID 1771825
ノート
印刷プレビュー

反応式

HRID 1771825 の反応式
[F:1][C:2]1[CH:3]=[C:4]([C:9]2[CH:10]=[C:11]([CH3:27])[C:12]([CH3:26])=[C:13]([CH2:15][NH:16][C:17]3[C:18]([F:25])=[C:19]([OH:24])[CH:20]=[CH:21][C:22]=3[F:23])[CH:14]=2)[CH:5]=[C:6]([F:8])[CH:7]=1.C([O-])([O-])=O.[Cs+].[Cs+].Br[CH2:35][C:36]([O:38][CH:39]([CH3:41])[CH3:40])=[O:37]>CN(C=O)C.O>[F:1][C:2]1[CH:3]=[C:4]([C:9]2[CH:10]=[C:11]([CH3:27])[C:12]([CH3:26])=[C:13]([CH2:15][NH:16][C:17]3[C:18]([F:25])=[C:19]([CH:20]=[CH:21][C:22]=3[F:23])[O:24][CH2:35][C:36]([O:38][CH:39]([CH3:41])[CH3:40])=[O:37])[CH:14]=2)[CH:5]=[C:6]([F:8])[CH:7]=1
参加物実験手順後処理出典と根拠反応ノート

参加物

6

反応物 3

HCID 10796Cesium carbonateHCID 121593Isopropyl bromoacetateHCID 894437053-[[5-(3,5-Difluorophenyl)-2,3-dimethyl-phenyl]methylamino]-2,4-difluoro-phenol

生成物 1

HCID 89445489Isopropyl 2-[3-[[5-(3,5-difluorophenyl)-2,3-dimethyl-phenyl]methylamino]-2,4-difluoro-phenoxy]acetate収率 96.7%

試薬・触媒・溶媒 2

HCID 962Water
溶媒
HCID 6228Dimethylformamide溶媒

実験手順

To a solution of 3-[[5-(3,5-difluorophenyl)-2,3-dimethyl-phenyl]methylamino]-2,4-difluoro-phenol (20 mg, 0.05 mmol, 1.0 eq) in DMF (3 mL) was added Cs2CO3 (26 mg, 0.075 mmol, 1.5 eq). The mixture was stirred at room temperature for 30 min then isopropyl bromoacetate (11 mg, 0.06 mmol, 1.2 eq) was added. The reaction mixture was stirred at room temperature for a further 1 h then diluted with water and extracted with EtOAc. The combined organic extracts were washed with water and brine, dried (Na2SO4), filtered and evaporated in vacuo. The residue was purified by column chromatography (petroleum ether:EtOAc, 30:1) to give the title compound as a colorless oil (23 mg, 92%).

後処理

  1. stirringThe reaction mixture was stirred at room temperature for a further 1 h
  2. extractionextracted with EtOAc
  3. washThe combined organic extracts were washed with water and brine
  4. dry with materialdried (Na2SO4)
  5. filtrationfiltered
  6. customevaporated in vacuo
  7. customThe residue was purified by column chromatography (petroleum ether:EtOAc, 30:1)

出典と根拠

ORDレコード
ord-033f2d46289c4bea890211ba8791080c
出典データセット
uspto-grants-2016_02
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09249085B2

反応ノート

読み込み中…

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