反应详情

To a stirred solution of 5.5 g of semicarbazide hydrochloride in 100 ml of absolute ethyl alcohol is added 3.0 g of sodium methoxide at room temperature. The reaction mixture is stirred for 30 minutes and 6.0 g of 2-furoyl acetonitrile is added. The reaction mixture is heated at reflux for 1 hour and concentrated in vacuo to a residue. The residue is suspended in water, filtered and dried to give 6.0 g of the desired product as a solid, m.p. 145° C.

1. temperatureThe reaction mixture is heated
2. temperatureat reflux for 1 hour
3. concentrationconcentrated in vacuo to a residue
4. filtrationfiltered
5. customdried