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Ethyl Acetate → 4'-{[4-(4-{[(1R,2S)-2-hydroxy-1-methylpropyl]oxy}phenyl)-5-oxo-7-propyl-4,5-dihydropyrazolo[1,5-a]pyrimidin-6-yl]methyl}biphenyl-2-carbonitrile

HRID 2048604
ノート
印刷プレビュー

反応式

HRID 2048604 の反応式
[OH:1][C:2]1[CH:7]=[CH:6][C:5]([N:8]2[C:13](=[O:14])[C:12]([CH2:15][C:16]3[CH:21]=[CH:20][C:19]([C:22]4[C:23]([C:28]#[N:29])=[CH:24][CH:25]=[CH:26][CH:27]=4)=[CH:18][CH:17]=3)=[C:11]([CH2:30][CH2:31][CH3:32])[N:10]3[N:33]=[CH:34][CH:35]=[C:9]23)=[CH:4][CH:3]=1.[CH3:36][C@@H:37]1[O:39][C@H:38]1[CH3:40].C(=O)([O-])[O-].[Cs+].[Cs+].C(OCC)(=O)C>CN(C)C=O>[OH:39][C@@H:38]([CH3:40])[C@H:37]([O:1][C:2]1[CH:3]=[CH:4][C:5]([N:8]2[C:13](=[O:14])[C:12]([CH2:15][C:16]3[CH:21]=[CH:20][C:19]([C:22]4[C:23]([C:28]#[N:29])=[CH:24][CH:25]=[CH:26][CH:27]=4)=[CH:18][CH:17]=3)=[C:11]([CH2:30][CH2:31][CH3:32])[N:10]3[N:33]=[CH:34][CH:35]=[C:9]23)=[CH:6][CH:7]=1)[CH3:36]
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 4

HCID 8857Ethyl AcetateHCID 10796Cesium carbonateHCID 30664trans-2,3-DimethyloxiraneHCID 670088984'-{[4-(4-Hydroxyphenyl)-5-oxo-7-propyl-4,5-dihydropyrazolo[1,5-a]pyrimidin-6-yl]methyl}biphenyl-2-carbonitrile

生成物 1

HCID 670104964'-{[4-(4-{[(1R,2S)-2-hydroxy-1-methylpropyl]oxy}phenyl)-5-oxo-7-propyl-4,5-dihydropyrazolo[1,5-a]pyrimidin-6-yl]methyl}biphenyl-2-carbonitrile
収率 54%

試薬・触媒・溶媒 1

HCID 6228Dimethylformamide溶媒

実験手順

To a solution of 4′-{[4-(4-hydroxyphenyl)-5-oxo-7-propyl-4,5-dihydropyrazolo[1,5-a]pyrimidin-6-yl]methyl}biphenyl-2-carbonitrile (0.92 g) in N,N-dimethylformamide (10 mL) were added trans-2,3-epoxybutane (1.8 mL) and then cesium carbonate (2.0 g), and the mixture was stirred at 100° C. for 15 hr. The mixture was allowed to cool, to the reaction mixture were added ethyl acetate and then saturated aqueous ammonium chloride solution, and the mixture was extracted with ethyl acetate. The organic layer was washed with saturated brine, dried over anhydrous magnesium sulfate, and concentrated. The residue was purified by silica gel column chromatography to give the title compound as a pale-yellow amorphous solid (0.57 g, 54%).

後処理

  1. temperatureto cool, to the reaction mixture
  2. extractionsaturated aqueous ammonium chloride solution, and the mixture was extracted with ethyl acetate
  3. washThe organic layer was washed with saturated brine
  4. dry with materialdried over anhydrous magnesium sulfate
  5. concentrationconcentrated
  6. customThe residue was purified by silica gel column chromatography

出典と根拠

ORDレコード
ord-838ebd89be654bb59495f14490b51c6a
出典データセット
uspto-grants-2013_11
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08592431B2

反応ノート

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このページの内容参加物実験手順後処理出典と根拠反応ノート