反応 #467494

反応方程式

3-[4-chloro-2-fluoro-5-(2-trifluoromethylphenoxy)phenyl]-6-trifluoromethyl-1,2,3,4-tetrahydropyrimidine-2,4,-dione

potassium carbonate

2,4-dinitrophenoxyamine

→

Compound 9-24

1-amino-3-[4-chloro-2-fluoro-5-(2-trifluoromethylphenoxy)phenyl]-6-trifluoromethyl-1,2,3,4-tetrahydropyrimidine-2,4-dione

溶媒

N,N-dimethylformamide

反応条件

後処理

1. 1
   その他the resulting oil chromatographed on silica gel eluting with hexane
2. 2
   workup.ADDITIONethyl acetate, 4:1, containing 0.1% of triethylamine

実験手順

A suspension of 3-[4-chloro-2-fluoro-5-(2-trifluoromethylphenoxy)phenyl]-6-trifluoromethyl-1,2,3,4-tetrahydropyrimidine-2,4,-dione (0.7 g), potassium carbonate (0.27 g) and 2,4-dinitrophenoxyamine (0.39 g) in anhydrous N,N-dimethylformamide (20 ml) was stirred at room temperature for 72 hours. The solution was processed and the resulting oil chromatographed on silica gel eluting with hexane:ethyl acetate, 4:1, containing 0.1% of triethylamine. The product (Compound 9-24) was isolated as a pale yellow amorphous solid (0.6 g).

出典