Diethyl (ethoxymethylene)malonate → HCID 13394075, compound

Participants

Reaction Steps

10.8 Grams of m-phenylenediamine are dissolved in 80 ml of ethyl alcohol, 21.6 grams of diethyl ethoxymethylenemalonate are added and the mixture is heated under reflux for 40 minutes. After filtration hot, 50 ml of water are added and the mixture is left for 24 to 36 hours at room temperature with stirring. The precipitate formed is filtered off, washed with an ethanol/water (1:1) mixture and dried at 60° C. The product is recrystallized in a benzene/hexane (2:1) mixture and 10.5 grams of a solid are obtained, of melting point 71°-74° C.

Provenance & Evidence