Methane → HCID 178424801, compound

Participants

Reaction Steps

A solution of 21.5 g. 2,3-diamino-1-{2-hydroxy-3-[2-(2,6-dimethylphenylamino)-ethylamino]-propoxy}-benzene trihydrochloride in 150 ml. formic acid is boiled under reflux for 6 hours. After evaporating the reaction mixture in a vacuum, the residue obtained is taken up in 200 ml. 2N hydrochloric acid, boiled under reflux for 4 hours, mixed with active charcoal and filtered while hot. The filtrate is evaporated to dryness and the residue then recrystallized. There are obtained 3.5 g. (17.4% of theory) of the desired compound: m.p. 128°-131° C.

Provenance & Evidence