Reaction #2044994

ord-d78047c6a2dc4171a52c7dbb51d75865

Reaction equation

COC(=O)c1ccccc1O
methyl salicylate
O=C([O-])[O-].[K+].[K+]
K2CO3
COC(=O)CCl
methyl chloroacetate
COC(=O)COc1ccccc1C(=O)OC
1
Yield 17.0%
COC(=O)COc1ccccc1C(=O)OC
2-Methoxycarbonylmethoxy-benzoic acid methyl ester
Yield 17.0%

Solvents

Conditions

Detailed conditions
See reaction.notes.procedure_details.

Workup

  1. 1
    Temperaturerefluxed for 36 hours
  2. 2
    workup.DISTILLATIONThe acetone was distilled off
  3. 3
    workup.ADDITIONwater (1200 ml) was added
  4. 4
    ExtractionCrude 1 was extracted into chloroform
  5. 5
    Dryingdried over Na2SO4
  6. 6
    workup.DISTILLATIONdistilled
  7. 7
    Otherpurified by column chromatography on silica gel

Procedure

To a mixture of methyl salicylate (100 g, 657 mmol) and anhydrous K2CO3 (360 g, 2.605 mol) in anhydrous acetone (1000 ml) was added methyl chloroacetate (94 g, 866 mmol) and refluxed for 36 hours. The acetone was distilled off and water (1200 ml) was added. Crude 1 was extracted into chloroform, dried over Na2SO4 distilled and purified by column chromatography on silica gel using hexane as eluant to give pure 1 (25 grams, 17%) as a light yellow syrup.

Source

DOI: 10.6084/m9.figshare.5104873.v1Patent: US08409559B2uspto-grants-2013_04