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Hydrochloric Acid → 4-[2-(5-bromopyrimidin-2-yloxy)-1,1-dimethylethyl]-N-{6-[2-(5-bromopyrimidin-2-yloxy)ethoxy]-5-(4-methylphenyl)pyrimidin-4-yl}benzenesulfonamide

HRID 2299
ノート
印刷プレビュー

反応式

HRID 2299 の反応式
[H-].[Na+].[OH:3][CH2:4][C:5]([C:8]1[CH:13]=[CH:12][C:11]([S:14]([NH:17][C:18]2[C:23]([C:24]3[CH:29]=[CH:28][C:27]([CH3:30])=[CH:26][CH:25]=3)=[C:22]([O:31][CH2:32][CH2:33][OH:34])[N:21]=[CH:20][N:19]=2)(=[O:16])=[O:15])=[CH:10][CH:9]=1)([CH3:7])[CH3:6].[Br:35][C:36]1[CH:37]=[N:38][C:39](Cl)=[N:40][CH:41]=1.Cl>CC(N(C)C)=O.O1CCCC1>[Br:35][C:36]1[CH:37]=[N:38][C:39]([O:3][CH2:4][C:5]([C:8]2[CH:13]=[CH:12][C:11]([S:14]([NH:17][C:18]3[C:23]([C:24]4[CH:25]=[CH:26][C:27]([CH3:30])=[CH:28][CH:29]=4)=[C:22]([O:31][CH2:32][CH2:33][O:34][C:39]4[N:40]=[CH:41][C:36]([Br:35])=[CH:37][N:38]=4)[N:21]=[CH:20][N:19]=3)(=[O:15])=[O:16])=[CH:10][CH:9]=2)([CH3:7])[CH3:6])=[N:40][CH:41]=1
参加物実験手順後処理出典と根拠反応ノート

参加物

7

反応物 4

HCID 313Hydrochloric AcidHCID 24758Sodium hydrideHCID 6066655-Bromo-2-chloropyrimidineHCID 196895154-(2-hydroxy-1,1-dimethylethyl)-N-{6-[2-hydroxyethoxy]-5-(4-methylphenyl)pyrimidin-4-yl}benzenesulfonamide

生成物 1

HCID 196895184-[2-(5-bromopyrimidin-2-yloxy)-1,1-dimethylethyl]-N-{6-[2-(5-bromopyrimidin-2-yloxy)ethoxy]-5-(4-methylphenyl)pyrimidin-4-yl}benzenesulfonamide
収率 33.8%

試薬・触媒・溶媒 2

HCID 8028Tetrahydrofuran溶媒2 回HCID 31374Dimethylacetamide溶媒2 回

実験手順

To a suspension of sodium hydride (65 mg) in dimethylacetamide (0.5 ml) and tetrahydrofuran (0.5 ml) is added dropwise a solution of 4-(2-hydroxy-1,1-dimethylethyl)-N-{6-[2-hydroxyethoxy]-5-(4-methylphenyl)pyrimidin-4-yl}benzenesulfonamide (135 mg) in dimethylacetamide (2 ml) and THF (2 ml) solution over period of 5 minutes at room temperature, and thereto is added 5-bromo-2-chloropyrimidine (399 mg). The mixture is stirred at room temperature for 6 days. The reaction mixture is acidified with cold diluted hydrochloric acid, and extracted with ethyl acetate. The organic layer is washed with water and saturated brine, dried over anhydrous sodium sulfate, and evaporated to remove the solvent. The oily residue is purified by silica gel column chromatography (solvent; chloroform/ethyl acetate=100:1), and evaporated to remove the solvent. The resulting crude crystals are recrystallized from methylene chloride/isopropyl ether to give 4-[2-(5-bromopyrimidin-2-yloxy)-1,1-dimethylethyl]-N-{6-[2-(5-bromopyrimidin-2-yloxy)ethoxy]-5-(4-methylphenyl)pyrimidin-4-yl}benzenesulfonamide (77 mg) as colorless crystals.

後処理

  1. extractionextracted with ethyl acetate
  2. washThe organic layer is washed with water and saturated brine
  3. dry with materialdried over anhydrous sodium sulfate
  4. customevaporated
  5. customto remove the solvent
  6. customThe oily residue is purified by silica gel column chromatography (solvent; chloroform/ethyl acetate=100:1)
  7. customevaporated
  8. customto remove the solvent
  9. customThe resulting crude crystals are recrystallized from methylene chloride/isopropyl ether

出典と根拠

ORDレコード
ord-d5b502a9c1d04da5bcd8e0a9c3285742
出典データセット
uspto-grants-1998_03
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US05728706

反応ノート

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