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Cesium carbonate → 3-Bromo-1'-((2-(trimethylsilyl)ethoxy)methyl)-5,7-dihydrospiro[cyclopenta[b]pyridine-6,3'-pyrrolo[2,3-b]pyridin]-2'(1'h)-one

HRID 1404473
ノート
印刷プレビュー

反応式

HRID 1404473 の反応式
CS(O[CH2:6][C:7]1[C:12]([CH2:13]OS(C)(=O)=O)=[CH:11][C:10]([Br:19])=[CH:9][N:8]=1)(=O)=O.[CH3:20][Si:21]([CH3:37])([CH3:36])[CH2:22][CH2:23][O:24][CH2:25][N:26]1[C:30]2=[N:31][CH:32]=[CH:33][CH:34]=[C:29]2[CH2:28][C:27]1=[O:35].C(=O)([O-])[O-].[Cs+].[Cs+]>C(O)C>[Br:19][C:10]1[CH:11]=[C:12]2[CH2:13][C:28]3([C:29]4[C:30](=[N:31][CH:32]=[CH:33][CH:34]=4)[N:26]([CH2:25][O:24][CH2:23][CH2:22][Si:21]([CH3:36])([CH3:20])[CH3:37])[C:27]3=[O:35])[CH2:6][C:7]2=[N:8][CH:9]=1
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 574588861-((2-(Trimethylsilyl)ethoxy)methyl)-1,3-dihydro-2H-pyrrolo(2,3-b)pyridin-2-oneHCID 86665188(5-Bromopyridine-2,3-diyl)dimethanediyl dimethanesulfonate

生成物 1

HCID 687497053-Bromo-1'-((2-(trimethylsilyl)ethoxy)methyl)-5,7-dihydrospiro[cyclopenta[b]pyridine-6,3'-pyrrolo[2,3-b]pyridin]-2'(1'h)-one

試薬・触媒・溶媒 1

HCID 702
Ethanol
溶媒

実験手順

(5-Bromopyridine-2,3-diyl)dimethanediyl dimethanesulfonate (17.0 g, 45.4 mmol) was added to a mixture of 1-{[2-(trimethylsilyl)ethoxy]methyl}-1,3-dihydro-2H-pyrrolo[2,3-b]pyridin-2-one (prepared according to the procedures described in WO2008/020902, 14.0 g, 53.0 mmol) and cesium carbonate (49.0 g, 150 mmol) in ethanol (500 mL) 23° C., and the resulting mixture was stirred for 20 h. The reaction mixture was concentrated then partitioned between ethyl acetate (500 mL) and water (500 mL). The organic layer was dried over magnesium sulfate and concentrated. The residue was purified via silica gel chromatography (heptane initially, grading to 100% EtOAc) to give the title compound. MS: m/z=448.1 (M+1).

後処理

  1. customprepared
  2. concentrationThe reaction mixture was concentrated
  3. customthen partitioned between ethyl acetate (500 mL) and water (500 mL)
  4. dry with materialThe organic layer was dried over magnesium sulfate
  5. concentrationconcentrated
  6. customThe residue was purified via silica gel chromatography (heptane initially

出典と根拠

ORDレコード
ord-909607a6a0f740749df812e75a4495c9
出典データセット
uspto-grants-2014_12
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08912210B2

反応ノート

読み込み中…

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