反应详情

5-fluorouracil, namely Compound (5), (1.30 g; 10 mmol), ethyl iodide (2.34 g; 15 mmol) and potassium carbonate (0.69 g; 5 mmol) were added to acetone (20 ml). The resulting mixture was processed in the same manner as in Example 4 (a) to isolate 1-ethyl-5-fluorouracil, namely Compound (7) (316 mg), and 1,3-diethyl-5-fluorouracil, namely Compound (8) (232 mg), respectively, as white-colored needles.