4-Fluorophenol → Methyl 3-(4-fluorophenoxy)-5-nitrobenzoate

Beteiligte Stoffe

Reaktionsbedingungen

Reaktionsschritte

The compound prepared in Example 34 (4.73 g) was dissolved in DMF (40 mL), added with 4-fluorophenol (2.34 g) and potassium phosphate (5.32 g) and stirred overnight at 80° C. The reaction solution was diluted with ethyl acetate, sequentially washed with water and a saturated sodium chloride solution and dried over anhydrous magnesium sulphate before distillation of the solvent. The resulting residue was purified by silica gel chromatography (hexane:ethyl acetate=9:1→1:1) to give the titled compound (4.81 g) having the following physical properties.

Herkunft & Nachweise