C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 209/10 (2006.01) A61K 31/05 (2006.01) A61P 21/00 (2006.01) A61P 25/08 (2006.01) C07C 29/10 (2006.01) C07C 39/10 (2006.01) C07C 211/49 (2006.01)
Patent
CA 2487973
The invention concerns a method for method for preparing 1,3,5-triaminobenzene, characterized in that it comprises a step which consists in amination of a compound of formula (I), wherein: A represents a halogen atom or a NH¿2? group; X¿1? and X¿2?, identical or different, represent each a halogen atom, the amination step being carried out 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 between 150 ·C and 250 ·C and at a pressure higher than 35 bars.
L~invention concerne un procédé de préparation de 1,3,5-triaminobenzène, caractérisé par le fait qu~il comprend une étape d~amination d~un composé de formule (I) dans lequel: A représente un atome d~halogène ou un group NH2, X1 et X2, qui sont identiques ou différents, représentent chacun un atome d~halogène, ladite étape d~amination étant conduite en présence d~ammoniaque et d~un catalyseur choisi dans le groupe constitué par les sels de cuivre, les oxydes cuivrique et cuivreux ou leurs mélanges, à une température allant de 150 ~C à 250 ~C et à une pression supérieure à 35 bars.
Ismaili Lhassane
Refouvelet Bernard
Xicluna Alain
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
Phv Analytic
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