Hydrochloric Acid → HCID 53729260, Verbindung

HRID 1591107

Reaktionsgleichung

Reaktionsgleichung von HRID 1591107
[H-].[Al+3].[Li+].[H-].[H-].[H-].[CH3:7][C:8]1[CH:25]=[CH:24][C:11]([S:12][C:13]2[CH:23]=[CH:22][C:16]([C:17](OCC)=[O:18])=[CH:15][CH:14]=2)=[CH:10][CH:9]=1.Cl>O1CCCC1>[CH3:7][C:8]1[CH:25]=[CH:24][C:11]([S:12][C:13]2[CH:23]=[CH:22][C:16]([CH2:17][OH:18])=[CH:15][CH:14]=2)=[CH:10][CH:9]=1

Komponenten

5

Edukt 3

HCID 313Hydrochloric AcidHCID 10778595Ethyl 4-(4-methylthiophenoxy)benzoateHCID 21226445Aluminium lithium hydride

Produkt 1

HCID 53729260HCID 53729260, VerbindungAusbeute 92,5 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 8028TetrahydrofuranLösungsmittel2×

Versuchsvorschrift

To a stirred mixture of lithium aluminum hydride (0.55 g, 14.6 mM) and dry tetrahydrofurane (100 ml) was added a solution (30 ml) of ethyl 4-(4-methylthiophenoxy)benzoate (4.00 g, 14.6 mM) in dry tetrahydrofurane at 0°-10° C., and the mixture was stirred for 12 h at room temperature. To this wa added 10% HCl (200 ml) and the mixture was extracted with toluene. The extract was washed with saturated sodium hydrogen carbonate solution and brine, dried with magnesium sulfate, and concentrated in vacuo. The residue was chromatographed over silica gel to give 4-(4-methylthiophenoxy)benzyl alcohol (3.13 g, 87%) as colorless crystals, m.p. 103.3° C.

Aufarbeitung

  1. extractionthe mixture was extracted with toluene
  2. washThe extract was washed with saturated sodium hydrogen carbonate solution and brine
  3. dry with materialdried with magnesium sulfate
  4. concentrationconcentrated in vacuo
  5. customThe residue was chromatographed over silica gel

Quellen und Nachweise

ORD-Eintrag
ord-6b216c724d434ab489097d68159381ce
Quelldatensatz
uspto-grants-1993_04
Patentnummer
US05206259

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