Hydrochloric Acid → HCID 19689240、化合物

関与物質

反応条件

反応手順

The unpurified 1-benzyl-7-ethoxymethyl-3-methylxanthine was treated with 1000 ml of 5N hydrochloric acid and stirred at 60° C. for 6 hours. The precipitated solid was filtered off with suction, washed with ethanol and dried under reduced pressure (164 g). It was possible from the mother liquor, after concentrating to approximately 50%, to isolate a further 35 g of the desired product.

情報源と証拠