反应详情

A solution of the product of stage (iii) (5.50 g) in ethyl acetate (60 ml) was hydrogenated over 10% palladium on carbon (0.50 g) for 4 h. The catalyst was filtered off and the filtrate evaporated in vacuo to give the title compound as an oil (3.0 g).

1. filtrationThe catalyst was filtered off
2. customthe filtrate evaporated in vacuo