反应详情

Substantially the same procedure as in Example 7 was repeated using 1.0 g (5.88 mmol) of 5,6-diamino-1,3dimethyluracil and 1.44 g (6.45 mmol) of 2,4 -dimethoxy-3methylcinnamic acid. Then, the resultant crude crystals were recrystallized from dioxane to give 581 mg (yield 28%) of Compound 94 as pale yellow needles.

1. customThen, the resultant crude crystals were recrystallized from dioxane