Reaktion #364620

Reaktionsgleichung

3-(4-chloro-6-fluoro-2-hydroxy-3-methoxyphenyl)-1-methyl-6-trifluoromethyl-2,4(1H, 3H)-pyrimidinedione

2-naphthoyl chloride

triethylamine

→

3-[4-chloro-6fluoro-3-methoxy-2-(2-naphthoyloxy)phenyl]-1-methyl-6-trifluoromethyl-2,4(1H, 3H)-pyrimidinedione

Lösungsmittel

dioxane

Reaktionsbedingungen

Aufarbeitung

1. 1
   Sonstigesolvent was evaporated
2. 2
   Sonstigethe residue purified by column chromatography (silica gel, hexane/ether=4/1)

Vorschrift

3-(4-chloro-6-fluoro-2-hydroxy-3-methoxyphenyl)-1-methyl-6-trifluoromethyl-2,4(1H, 3H)-pyrimidinedione (0.10 g, 0.27 mmol) was dissolved in dioxane (10 ml) and the solution added with 2-naphthoyl chloride (0.062 g, 0.33 mmol), triethylamine (0.033 g, 0.33 mmol). After stirred for 2 hr, solvent was evaporated and the residue purified by column chromatography (silica gel, hexane/ether=4/1). Yield: 0.12 g, 0.23 mmol.

Quelle