反应详情

35 g (118.6 mmol) of 6-(1-pyrrolyl)-7-trifluoromethyl-2,3(1H,4H)-quinoxalinedione (Example 2) were reacted with 23.8 g (155.5 mmol) of methyl bromoacetate as in Example 23. The mobile phase used for the chromatography was methylene chloride/ethyl acetate =3/2. 17.3 g (40%) of the product were obtained.