Ethanol → 2-Chloro-5-(ethoxymethyl)pyridine

HRID 2069845Notes

Reaction equation

HRID 2069845 reaction equation
[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([CH2:8]Cl)=[CH:4][N:3]=1.[H-].[Na+].[CH2:12]([OH:14])[CH3:13]>>[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([CH2:8][O:14][CH2:12][CH3:13])=[CH:4][N:3]=1

Participants

4

Procedure

2-Chloro-5-chloromethyl-pyridine (1 g, 6.2 mmol) was dissolved in 15 ml dry ethanol. After cooling in an ice bath NaH (248 mg 60%, 6.2 mmol) was added to this solution. The reaction was warmed to rt and stirred for 16 hours. After this time the reaction was quenched with 15 ml ice-water and extracted with ethyl acetate (2×50 ml). The combined organic layers were washed with brine, dried over sodium sulfate and concentrated in vacuo. The residue was purified by column chromatography using 5%-10% ethyl acetate in hexane to afford 400 mg of 2-Chloro-5-ethoxymethyl-pyridine (yield 37%).

Workup

  1. additionwas added to this solution
  2. customAfter this time the reaction was quenched with 15 ml ice-water
  3. extractionextracted with ethyl acetate (2×50 ml)
  4. washThe combined organic layers were washed with brine
  5. dry with materialdried over sodium sulfate
  6. concentrationconcentrated in vacuo
  7. customThe residue was purified by column chromatography

Sources & evidence

ORD record
ord-69d7d3834c6c4c96b44bbbd20ca946d0
Source dataset
uspto-grants-2012_10
Patent number
US08299077B2

Reaction notes

Loading…