| abstract |
The invention relates to a process for the preparation of 1, 3, 5-triaminobenzene, characterized in that it comprises a step of amination of a compound of formula (I): in which: A represents a halogen atom or a group NH2, X1 and X2, which are identical or different, each represents a halogen atom, said amination step being conducted in the presence of ammonia and a catalyst selected from the group consisting of copper salts , cupric and cuprous oxides or mixtures thereof, at a temperature ranging from 150 ° C to 250 ° C and a pressure greater than 35 bar. |