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Sodium hydride → N-[6-[2-(5-Bromo-pyrimidin-2-yloxy)-ethoxy]-5-(3-methoxy-phenoxy)-pyrimidin-4-yl]-4-tert-butyl-benzenesulfonamide

HRID 2270
ノート
印刷プレビュー

反応式

HRID 2270 の反応式
[C:1]([C:5]1[CH:10]=[CH:9][C:8]([S:11]([NH:14][C:15]2[C:20]([O:21][C:22]3[CH:27]=[CH:26][CH:25]=[C:24]([O:28][CH3:29])[CH:23]=3)=[C:19]([O:30][CH2:31][CH2:32][OH:33])[N:18]=[CH:17][N:16]=2)(=[O:13])=[O:12])=[CH:7][CH:6]=1)([CH3:4])([CH3:3])[CH3:2].[H-].[Na+].[Br:36][C:37]1[CH:38]=[N:39][C:40](Cl)=[N:41][CH:42]=1.[Cl-].[NH4+]>CC(N(C)C)=O>[Br:36][C:37]1[CH:38]=[N:39][C:40]([O:33][CH2:32][CH2:31][O:30][C:19]2[N:18]=[CH:17][N:16]=[C:15]([NH:14][S:11]([C:8]3[CH:9]=[CH:10][C:5]([C:1]([CH3:4])([CH3:2])[CH3:3])=[CH:6][CH:7]=3)(=[O:12])=[O:13])[C:20]=2[O:21][C:22]2[CH:27]=[CH:26][CH:25]=[C:24]([O:28][CH3:29])[CH:23]=2)=[N:41][CH:42]=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 4

HCID 24758Sodium hydrideHCID 25517Ammonium ChlorideHCID 122044Ro 46-2005HCID 6066655-Bromo-2-chloropyrimidine

生成物 1

HCID 11006709N-[6-[2-(5-Bromo-pyrimidin-2-yloxy)-ethoxy]-5-(3-methoxy-phenoxy)-pyrimidin-4-yl]-4-tert-butyl-benzenesulfonamide収率 84.1%

試薬・触媒・溶媒 1

HCID 31374
Dimethylacetamide
溶媒

実験手順

To a solution of 4-tert-butyl-N-{6-(2-hydroxyethoxy)-5-(3-methoxyphenoxy)pyrimidin-4-yl}benzenesulfonamide (250 mg) in dimethylacetamide (5 ml) is added sodium hydride (60% dispersion-type, 64 mg) at room temperature, and the mixture is stirred for 20 minutes. To the reaction solution is added 5-bromo-2-chloropyrimidine (133 mg), and the mixture is stirred at room temperature for 18 hours. The reaction solution is poured into ice-water, and the mixture is neutralized with saturated aqueous ammonium chloride solution and extracted with ethyl acetate. The ethyl acetate layer is washed, dried, and evaporated to remove the solvent. The residue is purified by silica gel column chromatography (solvent; chloroform/methanol=40:1) to give crude crystals, which are recrystallized from ethyl acetate/diisopropyl ether to give N-[-6-{2-(5-bromopyrimidin-2-yloxy)ethoxy}-5-(3-methoxyphenoxy)pyrimidin-4-yl]-4-tert-butylbenzenesulfonamide (280 mg) as crystals.

後処理

  1. stirringthe mixture is stirred at room temperature for 18 hours
  2. extractionextracted with ethyl acetate
  3. washThe ethyl acetate layer is washed
  4. customdried
  5. customevaporated
  6. customto remove the solvent
  7. customThe residue is purified by silica gel column chromatography (solvent; chloroform/methanol=40:1)
  8. customto give crude crystals, which
  9. customare recrystallized from ethyl acetate/diisopropyl ether

出典と根拠

ORDレコード
ord-46d9d32e459846fbbd2041dd10adb17e
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

読み込み中…

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