Sodium hydride → N-{6-[2-(5-Bromo-pyrimidin-2-yloxy)-ethoxy]-2-propyl-5-p-tolyl-pyrimidin-4-yl}-4-tert-butyl-benzenesulfonamide

HRID 2291

Reaktionsgleichung

Reaktionsgleichung von HRID 2291
[H-].[Na+].[C:3]([C:7]1[CH:12]=[CH:11][C:10]([S:13]([NH:16][C:17]2[C:22]([C:23]3[CH:28]=[CH:27][C:26]([CH3:29])=[CH:25][CH:24]=3)=[C:21]([O:30][CH2:31][CH2:32][OH:33])[N:20]=[C:19]([CH2:34][CH2:35][CH3:36])[N:18]=2)(=[O:15])=[O:14])=[CH:9][CH:8]=1)([CH3:6])([CH3:5])[CH3:4].Cl[C:38]1[N:43]=[CH:42][C:41]([Br:44])=[CH:40][N:39]=1>O1CCCC1.CC(N(C)C)=O>[C:3]([C:7]1[CH:8]=[CH:9][C:10]([S:13]([NH:16][C:17]2[C:22]([C:23]3[CH:24]=[CH:25][C:26]([CH3:29])=[CH:27][CH:28]=3)=[C:21]([O:30][CH2:31][CH2:32][O:33][C:38]3[N:43]=[CH:42][C:41]([Br:44])=[CH:40][N:39]=3)[N:20]=[C:19]([CH2:34][CH2:35][CH3:36])[N:18]=2)(=[O:14])=[O:15])=[CH:11][CH:12]=1)([CH3:5])([CH3:6])[CH3:4]

Komponenten

6

Edukt 3

HCID 24758Sodium hydrideHCID 6066655-Bromo-2-chloropyrimidineHCID 196894984-tert-butyl-N-[6-(2-hydroxyethoxy)-5-(4-methylphenyl)-2-n-propylpyrimidin-4-yl]benzenesulfonamide

Produkt 1

HCID 19689505N-{6-[2-(5-Bromo-pyrimidin-2-yloxy)-ethoxy]-2-propyl-5-p-tolyl-pyrimidin-4-yl}-4-tert-butyl-benzenesulfonamideAusbeute 91,4 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 8028TetrahydrofuranLösungsmittel2×HCID 31374DimethylacetamideLösungsmittel

Versuchsvorschrift

To a suspension of sodium hydride (0.25 g) in tetrahydrofuran (5 ml) is added dropwise a solution of 4-tert-butyl-N-[6-(2-hydroxyethoxy)-5-(4-methylphenyl)-2-n-propylpyrimidin-4-yl]benzenesulfonamide (1.00 g) in dimethylacetamide (3 ml) and tetrahydrofuran (10 ml) at room temperature, and thereto is added 2-chloro-5-bromopyrimidine (0.56 g), and the mixture is stirred at room temperature for 2.5 hours. The reaction mixture is acidified with ice-cold diluted hydrochloric acid, and extracted with ethyl acetate. The extract is washed, dried, and evaporated to remove the solvent. The resulting oily product is purified by silica gel column chromatography (solvent; chloroform), and crystallized from n-hexane to give 4-tert-butyl-N-[6-{2-(5-bromopyrimidin-2-yloxy)ethoxy}-5-(4-methylphenyl)-2-n-propylpyrimidin-4-yl]benzenesulfonamide (1.21 g) as crystals.

Aufarbeitung

  1. extractionextracted with ethyl acetate
  2. washThe extract is washed
  3. customdried
  4. customevaporated
  5. customto remove the solvent
  6. customThe resulting oily product is purified by silica gel column chromatography (solvent; chloroform)
  7. customcrystallized from n-hexane

Quellen und Nachweise

ORD-Eintrag
ord-f0bfe7cb12de4449ad46b88945212348
Quelldatensatz
uspto-grants-1998_03
Patentnummer
US05728706

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