反应详情

A mixture of methyl 4-chloro-6-methoxy-pyrimidin-5-yl-acetate (21.7 g, 100 mmol), 3-hydroxyacetophenone (13.6 g, 100 mmol), potassium carbonate (20.7 g, 150 mmol) and a catalytic amount of 18-crown-6 in dimethylformamide (50 ml) is heated to +120° C. for 1 hour. Addition of crushed ice, filtration and drying gives the methyl 4-(3-acetylphenoxy)-6-methoxy-pyrimidin-5-yl-acetate (28.5 g) having a m.p. of 65°-67° C.

1. additionAddition of crushed ice, filtration
2. customdrying