反应详情

In 50 ml of dioxane was dissolved 2.20 g of 2-(3,5-dichlorophenyl)semicarbazide followed by addition of 1.52 g of phenylglyoxal monohydrate, and the mixture was refluxed for 5 hours. The reaction mixture was then concentrated and the residue was recrystallized from acetonitrile to provide 1.34 g of the title compound. m.p. 160-161° C.

1. temperaturethe mixture was refluxed for 5 hours
2. concentrationThe reaction mixture was then concentrated
3. customthe residue was recrystallized from acetonitrile