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Dichloromethane → HCID 57562414、化合物

HRID 1726096
ノート
印刷プレビュー

反応式

HRID 1726096 の反応式
[C:1]([O:5][C:6]([N:8]1[C:16]2[C:11](=[CH:12][C:13]([O:17][CH2:18][C:19]3[CH:24]=[CH:23][CH:22]=[CH:21][CH:20]=3)=[CH:14][CH:15]=2)[C:10]([C:25]2[N:26]([C:42]([O:44][C:45]([CH3:48])([CH3:47])[CH3:46])=[O:43])[C:27]3[C:32]([CH:33]=2)=[CH:31][C:30]([O:34][Si](C(C)(C)C)(C)C)=[CH:29][CH:28]=3)=[N:9]1)=[O:7])([CH3:4])([CH3:3])[CH3:2].[F-].C([N+](CCCC)(CCCC)CCCC)CCC.ClCCl>O1CCCC1>[C:1]([O:5][C:6]([N:8]1[C:16]2[C:11](=[CH:12][C:13]([O:17][CH2:18][C:19]3[CH:20]=[CH:21][CH:22]=[CH:23][CH:24]=3)=[CH:14][CH:15]=2)[C:10]([C:25]2[N:26]([C:42]([O:44][C:45]([CH3:48])([CH3:47])[CH3:46])=[O:43])[C:27]3[C:32]([CH:33]=2)=[CH:31][C:30]([OH:34])=[CH:29][CH:28]=3)=[N:9]1)=[O:7])([CH3:4])([CH3:3])[CH3:2]
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 6344DichloromethaneHCID 2724141Tetrabutylammonium FluorideHCID 575624715-benzyloxy-3-[1-tert-butoxycarbonyl-5-(tert-butyl-dimethylsilanyloxy)-1H-indol-2-yl]indazole-1-carboxylic acid tert-butyl ester

生成物 1

HCID 57562414HCID 57562414、化合物収率 76.8%

試薬・触媒・溶媒 1

HCID 8028Tetrahydrofuran
溶媒

実験手順

A solution of 13.4 g of 5-benzyloxy-3-[1-tert-butoxycarbonyl-5-(tert-butyl-dimethylsilanyloxy)-1H-indol-2-yl]indazole-1-carboxylic acid tert-butyl ester and 6.15 g of tetrabutylammonium fluoride in 140 ml of anhydrous tetrahydrofuran is stirred at ambient temperature for 30 minutes. The solvent is evaporated off under vacuum. The reaction crude is taken up with 50 ml of dichloromethane and the organic phase is washed with 2 times 25 ml of distilled water. The organic phase is dried over magnesium sulfate. After filtration and concentration under vacuum, the reaction crude is purified by flash chromatography on 450 g of 40-63 μm silica. Elution is carried out with 100% dichloromethane and then a 98/2 then 95/5 dichloromethane/methanol mixture to Obtain 8.54 g of 5-benzyloxy-3-(1-tert-butoxycarbonyl-5-hydroxy-1H-indol-2-yl)indazole-1-carboxylic acid tert-butyl ester.

後処理

  1. customThe solvent is evaporated off under vacuum
  2. customThe reaction crude
  3. washthe organic phase is washed with 2 times 25 ml of distilled water
  4. dry with materialThe organic phase is dried over magnesium sulfate
  5. filtrationAfter filtration and concentration under vacuum
  6. customthe reaction crude
  7. customis purified by flash chromatography on 450 g of 40-63 μm silica
  8. washElution

出典と根拠

ORDレコード
ord-ec08c49f37c0415b8e8d5c24a89f3908
出典データセット
uspto-grants-2009_02
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07491710B2

反応ノート

読み込み中…

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