Catechol → HCID 12901626, compound

Participants

Reaction Steps

One mole (148.12 g) of α-methoxyhydantoic acid, 1.25 moles (137.64 g) of catechol, 1 mole (60.06 g) of urea and 300 ml of concentrated HCl (36 percent volume) were placed into the 2-liter flask of Preparation 1, and are stirred at 60° C. to 65° C. for 18 hours. The heterogeneous solution is filtered and is recrystallized from ethanol to give the title compound, with a melting point of 212° C.-214° C., in a yield of 44 percent.

Provenance & Evidence