反应详情

A mixture of 1,5-bis(4-methoxyphenyl)penta-1,4-diene-3-one of Example 6 (20 g, 0.068 mole), glacial acetic acid (200 ml) and 3.0 g of palladium/carbon (5%) was hydrogenated on a Parr hydrogenator for 4 hours. The solution was filtered and concentrated to give 18.5 g of colorless liquid.

1. filtrationThe solution was filtered
2. concentrationconcentrated