5-(Trimethylsilyl)furan-3-carbaldehyde → 3-(1-Hydroxytridecyl)-5-trimethylsilylfuran

HRID 2050641Notes

Reaction equation

HRID 2050641 reaction equation
[CH3:1][Si:2]([CH3:11])([CH3:10])[C:3]1[O:4][CH:5]=[C:6]([CH:8]=[O:9])[CH:7]=1.[CH2:12]([Mg]Br)[CH2:13][CH2:14][CH2:15][CH2:16][CH2:17][CH2:18][CH2:19][CH2:20][CH2:21][CH2:22][CH3:23]>O1CCCC1>[OH:9][CH:8]([C:6]1[CH:7]=[C:3]([Si:2]([CH3:11])([CH3:10])[CH3:1])[O:4][CH:5]=1)[CH2:23][CH2:22][CH2:21][CH2:20][CH2:19][CH2:18][CH2:17][CH2:16][CH2:15][CH2:14][CH2:13][CH3:12]

Participants

4

Reactant 2

HCID 156632515-(Trimethylsilyl)furan-3-carbaldehydeHCID 178443215HCID 178443215, compound

Product 1

HCID 156632683-(1-Hydroxytridecyl)-5-trimethylsilylfuran

Reagents, catalysts & solvents 1

HCID 8028TetrahydrofuranSolvent

Procedure

A solution of 2-trimethylsilyl-4-furaldehyde (0.5 g, 2.97 mmol) in tetrahydrofuran (5 ml) was added to a solution of dodecyl magnesium bromide (5.95 mmol; prepared from 1.48 g dodecyl bromide and 146 mg magnesium turnings in 30 ml tetrahydrofuran) at room temperature. After 2 hours, the mixture was quenched with ammonium chloride solution and extracted thoroughly with ethyl ether. Evaporation of the dried (magnesium sulfate) extracts gave an oil which was flash chromatographed on silica using 10% ethyl ether/hexane. Fractions with Rf about 0.13 gave, after evaporation, the title alcohol as a pale yellow oil.

Workup

  1. customthe mixture was quenched with ammonium chloride solution
  2. extractionextracted thoroughly with ethyl ether
  3. customEvaporation of the
  4. dry with materialdried (magnesium sulfate)
  5. customextracts gave an oil which
  6. customchromatographed on silica using 10% ethyl ether/hexane
  7. customFractions with Rf about 0.13 gave
  8. customafter evaporation

Sources & evidence

ORD record
ord-83c2c68832544c0fa2b37b4972222448
Source dataset
uspto-grants-1991_05
Patent number
US05013850

Reaction notes

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