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Cesium carbonate → 7-(4-chlorobenzyl)-1-(2-hydroxyethyl)-3-methyl-8-(3-(trifluoromethyl)phenoxy)-1H-purine-2,6(3H,7H)-dione

HRID 2200642
ノート
印刷プレビュー

反応式

HRID 2200642 の反応式
[Cl:1][C:2]1[CH:31]=[CH:30][C:5]([CH2:6][N:7]2[C:15]3[C:14](=[O:16])[NH:13][C:12](=[O:17])[N:11]([CH3:18])[C:10]=3[N:9]=[C:8]2[O:19][C:20]2[CH:25]=[CH:24][CH:23]=[C:22]([C:26]([F:29])([F:28])[F:27])[CH:21]=2)=[CH:4][CH:3]=1.Br[CH2:33][CH2:34][OH:35].C(=O)([O-])[O-].[Cs+].[Cs+]>CN(C=O)C.C(OCC)(=O)C>[Cl:1][C:2]1[CH:3]=[CH:4][C:5]([CH2:6][N:7]2[C:15]3[C:14](=[O:16])[N:13]([CH2:33][CH2:34][OH:35])[C:12](=[O:17])[N:11]([CH3:18])[C:10]=3[N:9]=[C:8]2[O:19][C:20]2[CH:25]=[CH:24][CH:23]=[C:22]([C:26]([F:29])([F:27])[F:28])[CH:21]=2)=[CH:30][CH:31]=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 108982-BromoethanolHCID 904031287-(4-chlorobenzyl)-3-methyl-8-(3-(trifluoromethyl)phenoxy)-1H-purine-2,6(3H,7H)-dione

生成物 1

HCID 904027327-(4-chlorobenzyl)-1-(2-hydroxyethyl)-3-methyl-8-(3-(trifluoromethyl)phenoxy)-1H-purine-2,6(3H,7H)-dione収率 28.9%

試薬・触媒・溶媒 2

HCID 6228
Dimethylformamide
溶媒
HCID 8857Ethyl Acetate溶媒

実験手順

To a solution of 7-(4-chlorobenzyl)-3-methyl-8-(3-(trifluoromethyl)phenoxy)-1H-purine-2,6(3H,7H)-dione (60 mg, 0.133 mmol, example 1) in DMF (1 mL) was added 2-bromoethanol (16.5 mg, 0.133 mmol) and cesium carbonate (86.6 mg, 0.266 mmol). The resulting mixture was subjected to microwave irradiation at 120 for 20 min in a sealed tube. The mixture was diluted with ethyl acetate (5 mL) and extracted with saturated aqueous ammonium chloride solution. The organic phase was dried and concentrated to give crude product which was purified preparative HPLC to give 7-(4-chlorobenzyl)-1-(2-hydroxyethyl)-3-methyl-8-(3-(trifluoromethyl)phenoxy)-1H-purine-2,6(3H,7H)-dione (19 mg, 28.8% yield) as white solid.

後処理

  1. customirradiation at 120 for 20 min in a sealed tube
  2. extractionextracted with saturated aqueous ammonium chloride solution
  3. customThe organic phase was dried
  4. concentrationconcentrated
  5. customto give crude product which
  6. customwas purified preparative HPLC

出典と根拠

ORDレコード
ord-84127544eb2843198a56e7725f9ee878
出典データセット
uspto-grants-2016_06
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09359359B2

反応ノート

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