Hydrochloric Acid → 4-(4-Methylthiophenoxy)benzyl alcohol

HRID 1591107Notes

Reaction equation

HRID 1591107 reaction equation
[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

Participants

5

Reactant 3

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

Product 1

HCID 537292604-(4-Methylthiophenoxy)benzyl alcoholYield 92.5%

Reagents, catalysts & solvents 1

HCID 8028TetrahydrofuranSolvent2×

Procedure

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.

Workup

  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

Sources & evidence

ORD record
ord-6b216c724d434ab489097d68159381ce
Source dataset
uspto-grants-1993_04
Patent number
US05206259

Reaction notes

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