反应详情

2.0 g of 3-fluoro-4-methoxy cinnamic acid was dissolved in 100 ml ethyl alcohol. To this was added 100 mg of platinum oxide as a catalyst. The mixture was hydrogenated in a Parr apparatus for 90 minutes. After the hydrogenation was over, the mixture was filtered and concentrated. The solid was crystallized by adding water. Yield=1.63 g. m.p. 107°-112° C.

1. filtrationwas filtered
2. concentrationconcentrated
3. customThe solid was crystallized
4. additionby adding water