反应详情

39 g of preliminary product 1 were hydrogenated with H2 /Raney nickel in 200 ml ethanol. The hydrogenation was conducted over a period of 2 hours and within a temperature range from 20 to 40 C. at a pressure of 2. 106Pa. The catalyst was filtered off under suction and 400 ml water were added. The dried, oily product (37 g) which was separated was reacted further without additional purification.

1. filtrationThe catalyst was filtered off under suction and 400 ml water
2. additionwere added
3. customThe dried, oily product (37 g) which was separated
4. customwas reacted further without additional purification