PREPARATION PROCEDURE OF 1,3,5-TRIAMINOBENCENO AND ITS HYDROLYSIS IN FLOROGLUCINOL OF GREAT PURITY.

摘要

Preparation process of 1,3,5-triaminobenzene, characterized in that it includes a step a) of amination of a compound of formula (I): in which: A represents a halogen atom or an NH2, X1 and X2 group, which they are identical or different, each representing a halogen atom, said amination step being carried out in the presence of ammonia and a catalyst chosen in the group consisting of copper salts, cupric and cuprous oxides and mixtures thereof, at a temperature of between 150ºC and 250ºC, at a pressure greater than 35 bars.