Oxalic Acid → HCID 23298023, compound

Participants

Reaction Steps

123 g (0.79 mol) of 2,3-diamino-5-chlorotoluene and 106.2 g (1.18 mol) of oxalic acid are heated at reflux for 5 hours in 800 ml of 4N hydrochloric acid. The reaction mixture is allowed to cool, and is diluted with water, filtered off on a suction filter and washed with water. The product is then stirred in hot ethanol, filtered off on a suction filter and the suction filter material is dried in vacuo at 60°. The title compound is obtained as slightly grayish crystals of m.p.>250°.

Provenance & Evidence