反应详情

A solution of 5.0 g of 5-hydroxymethyluracil, 150 ml of veratrole and 0.5 ml of concentrated hydrochloric acid was heated at 140° C. for one hour. The precipitate was filtered, washed with ether and recrystallized from hot methanol, 6.85 g, M+ 263.20.

1. filtrationThe precipitate was filtered
2. washwashed with ether
3. customrecrystallized from hot methanol, 6.85 g, M+ 263.20