1-(2-Hydroxyethyl)piperazine → 5-(4'phenoxyphenyl)-5-[N-(2-hydroxyethyl)piperazinyl]barbituric acid

Participants

Reaction Steps

A solution of 5-bromo-5-(4'-phenoxyphenyl)barbituric acid (50 mg) in 0.2 ml of methanol is added dropwise with a solution of N-(2-hydroxyethyl)piperazine (52 mg) in 0.6 ml of methanol and the mixture is stirred for 2 hours. The white precipitate is recovered by filtration and dried under vacuum at 60° C. overnight. 42.6 mg of the product are obtained, m.p. >240° C.

Provenance & Evidence