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Sodium hydride → (2R)-1-(3'-Hydroxymethylbiphenyl-4-yloxy)-4-(3-pyridyl)-2-butanol

HRID 1600946
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1600946
C1(C)C=CC(S([O:10][CH2:11][C@H:12]([O:21][Si](C(C)(C)C)(C)C)[CH2:13][CH2:14][C:15]2[CH:16]=[N:17][CH:18]=[CH:19][CH:20]=2)(=O)=O)=CC=1.[H-].[Na+].[OH:32][CH2:33][C:34]1[CH:35]=[C:36]([C:40]2[CH:45]=[CH:44][C:43](O)=[CH:42][CH:41]=2)[CH:37]=[CH:38][CH:39]=1.[F-].C([N+](CCCC)(CCCC)CCCC)CCC>CN(C)C=O.O1CCCC1.[Cl-].[Na+].O>[OH:32][CH2:33][C:34]1[CH:35]=[C:36]([C:40]2[CH:45]=[CH:44][C:43]([O:10][CH2:11][C@H:12]([OH:21])[CH2:13][CH2:14][C:15]3[CH:16]=[N:17][CH:18]=[CH:19][CH:20]=3)=[CH:42][CH:41]=2)[CH:37]=[CH:38][CH:39]=1
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Komponenten

8

Edukt 4

HCID 24758Sodium hydrideHCID 2724141Tetrabutylammonium FluorideHCID 218306904-(3-Hydroxymethylphenyl)phenolHCID 54162583(2R)-2-(tert-butyldimethylsilyloxy)-4-(3-pyridyl)-1-butyl para-toluenesulfonate

Produkt 1

HCID 53791007(2R)-1-(3'-Hydroxymethylbiphenyl-4-yloxy)-4-(3-pyridyl)-2-butanolAusbeute 36,7 %

Reagenzien, Katalysatoren, Lösungsmittel 3

HCID 6228DimethylformamideLösungsmittelHCID 8028TetrahydrofuranLösungsmittelHCID 57417360Sodium chloride; waterLösungsmittel

Versuchsvorschrift

Prepared according to the method described in Example 26e) from (2R)-2-(tert-butyldimethylsilyloxy)-4-(3-pyridyl)-1-butyl para-toluenesulfonate (0.68 g), sodium hydride (60%, 0.073 g) and 3'-hydroxymethylbiphenyl-4-ol (0.39 g) in N,N-dimethylformamide (10 ml). The adduct was deprotected by dissolving in tetrahydrofuran (10 ml) to which tetrabutylammonium fluoride (0.93 g) was added. The reaction was stirred at ambient temperature for 1 hour, poured into brine and extracted with ethyl acetate. The combined organic extracts were dried over anhydrous magnesium sulfate, filtered and concentrated under reduced pressure. The residue was purified by column chromatography over silica eluting with ethyl acetate to give the title compound (0.2 g) as a white solid.

Aufarbeitung

  1. customPrepared
  2. additionwas added
  3. extractionextracted with ethyl acetate
  4. dry with materialThe combined organic extracts were dried over anhydrous magnesium sulfate
  5. filtrationfiltered
  6. concentrationconcentrated under reduced pressure
  7. customThe residue was purified by column chromatography over silica eluting with ethyl acetate

Quellen und Nachweise

ORD-Eintrag
ord-0ed5b89221de43988eceff0e74d043c0
Quelldatensatz
uspto-grants-1999_11
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US05977105

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