Ethanol → 6-(5-Methyl-2-phenyl-4-thiazolylmethoxy)-3-pyridylmethanol

HRID 1294202Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 1294202
[CH3:1][C:2]1[S:6][C:5]([C:7]2[CH:12]=[CH:11][CH:10]=[CH:9][CH:8]=2)=[N:4][C:3]=1[CH2:13][O:14][C:15]1[CH:22]=[CH:21][C:18]([CH:19]=[O:20])=[CH:17][N:16]=1.O1CCCC1.C(O)C.[BH4-].[Na+]>O>[CH3:1][C:2]1[S:6][C:5]([C:7]2[CH:12]=[CH:11][CH:10]=[CH:9][CH:8]=2)=[N:4][C:3]=1[CH2:13][O:14][C:15]1[N:16]=[CH:17][C:18]([CH2:19][OH:20])=[CH:21][CH:22]=1

Komponenten

6

Edukt 4

HCID 702EthanolHCID 8028TetrahydrofuranHCID 4311764Sodium borohydrideHCID 229307406-[(5-Methyl-2-phenyl-4-thiazolyl)methoxy]nicotinaldehyde

Produkt 1

HCID 229306846-(5-Methyl-2-phenyl-4-thiazolylmethoxy)-3-pyridylmethanolAusbeute 97 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 962WaterLösungsmittel

Versuchsvorschrift

To a mixture of 6-[(5-methyl-2-phenyl-4-thiazolyl)methoxy]nicotinaldehyde (4.20 g), tetrahydrofuran (50 ml) and ethanol (50 mL) was added sodium borohydride (0.51 g) at room temperature and the mixture was stirred at room temperature for 30 min. To the reaction mixture was added water and the mixture was extracted with ethyl acetate. The organic layer was washed with saturated brine, dried over anhydrous magnesium sulfate and concentrated to give crystals (4.10 g, 97%) of [6-[(5-methyl-2-phenyl-4-thiazolyl)methoxy]-3-pyridyl]methanol. Recrystallization from ethyl acetate-hexane gave colorless prism crystals. melting point: 70-71° C.

Aufarbeitung

  1. extractionthe mixture was extracted with ethyl acetate
  2. washThe organic layer was washed with saturated brine
  3. dry with materialdried over anhydrous magnesium sulfate
  4. concentrationconcentrated

Quellen und Nachweise

ORD-Eintrag
ord-392bca667be24daeab868be84f22b7a5
Quelldatensatz
uspto-grants-2007_07
Patentnummer
US07238716B2

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