Process for preparing amines from alcohols and ammonia

Details Process for preparing amines from alcohols and ammonia Process for preparing amines from alcohols and ammonia

C - Chemistry, Metallurgy

07

F

C07F 9/64 (2006.01) C07C 209/00 (2006.01)

Patent

CA 2732947

The present invention provides novel ruthenium based catalysts, and a process for preparing amines, by reacting a primary alcohol and ammonia in the presence of such catalysts, to generate the amine and water. According to the process of the invention, primary alcohols react directly with ammonia to produce primary amines and water in high yields and high turnover numbers. This reaction is catalyzed by novel ruthenium complexes, which are preferably composed of quinolinyl or acridinyl based pincer ligands.

La présente invention porte sur de nouveaux catalyseurs à base de ruthénium et sur un procédé pour la fabrication d'amines, par réaction d'un alcool primaire et d'ammoniac en présence de tels catalyseurs, pour produire l'amine et de l'eau. Selon le procédé de l'invention, des alcools primaires réagissent directement avec de l'ammoniac pour produire des amines primaires et de l'eau avec des rendements de production élevés et des fréquences d'échange élevées. Cette réaction est catalysée par de nouveaux complexes du ruthénium, qui sont de préférence composés de ligands pinces à base de quinolinyle ou d'acridinyle.

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