تفاعل #2094

معادلة التفاعل

1-ethoxymethylxanthine

potassium carbonate

diethyl chlorobutanephosphonate

→

Diethyl [4-(1-ethoxymethyl-3-methylxanthin-7-yl)butyl]phosphonate

ظروف التفاعل

المعالجة

1. 1
   ترشيحThe solution was filtered
2. 2
   تركيزconcentrated
3. 3
   أخرىthe residue which remained was chromatographed (eluent: dichloromethane/methanol 20:1)

الإجراء التجريبي

4 g (0.018 mol) of 1-ethoxymethylxanthine were stirred at 70° C. for 6 hours with 3 g of potassium carbonate and 4.9 g (0.0214 mol) of diethyl chlorobutanephosphonate. The solution was filtered and concentrated, and the residue which remained was chromatographed (eluent: dichloromethane/methanol 20:1).

المصدر