1,4-Naphthoquinone → 2,5-Dichloro-1,4-benzenediamine

Participants

Reaction Steps

A reaction vessel was charged with 200 g of water, 41.4 g of pulverized 2,5-dichloro-p-nitroaniline, 6 g of sodium hydroxide, 0.3 g of 1,4-naphthoquinone and 25 g of an 80% solution of hydrazine hydrate in water. The contents of the vessel were agitated at 85° to 95° C. for 9 hours to complete the reaction. The reaction product was filtered, washed with water and dried to give 34.0 of 2,5-dichloro-p-phenylenediamine.

Provenance & Evidence