C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 221/00 (2006.01) B01J 31/24 (2006.01) C07B 43/04 (2006.01) C07C 213/02 (2006.01) C07C 225/22 (2006.01) C07C 225/34 (2006.01) C07D 213/74 (2006.01)
Patent
CA 2294733
The invention relates to a novel method for aminating mononuclear aromatic compounds and polynuclear compounds containing at least one aromatic ring. The inventive method enables simple separation of the aminated mononuclear aromatic compound or the aminated polynuclear compound containing at least one aromatic ring from the reaction mixture and re-utilization of the catalyst system used. According to said method, the mononuclear aromatic compound or the polynuclear compound containing at least one aromatic ring is reacted with primary or secondary amines in the presence of water, a base and a palladium complex catalyst which contains organic water-soluble phosphine ligands.
L'invention concerne un nouveau procédé d'amination de composés aromatiques mononucléaires et de composés polynucléaires contenant au moins un cycle aromatique. Ce procédé permet de séparer de façon simple le composé aromtaique mononucléaire aminé ou le composé polynucléaire aminé contenant au moins un cycle aromtique du mélange réactionnel et de récupérer le système catalyseur utilisé. Cew procédé consiste à faire réagir le composé mononucléaire aromatique ou le composé polynucléaire contenant au moins un cycle aromatique avec des amines primaires ou secondaires en présence d'eau, d'une base et d'un catalyseur complexe au palladium contenant des ligands de phosphine organiques solubles dans l'eau.
Boche Gernot
Jansch Helge
Kannenberg Sven
Wullner Guido
Celanese Chemicals Europe Gmbh
Fetherstonhaugh & Co.
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