Method for producing primary and secondary amines by hydrogenation of nitriles and imines
AssigneeDegussa AG
InventorsDaniel Ostgard, Monika Berweiler, Stefan Roder
Life of this patent
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Abstract
A method for producing amines by catalytic hydrogenation of nitrites or imines with hydrogen-containing gases in the presence of a molded hydrogenation catalyst of Raney type, where the Raney catalyst is in the form of hollow bodies.
Claims36
A method for producing amines by catalytic hydrogenation of nitriles or imines with hydrogen-containing gases in the presence of a molded hydrogenation catalyst of Raney type, which is characterized by the fact that the Raney catalyst is present in the form of hollow bodies.
A method as in one or more of claims 1-6, which is characterized by the fact that the molded catalysts that are used have a shell thickness in the range of 0.05-5 mm, preferably 0.1 mm to 5 mm.
A method for producing hexamethylenediamine (HMD) by catalytic hydrogenation of adiponitrile with hydrogen-containing gases in the presence of a molded nickel hydrogenation catalyst of Raney type, which is characterized by the fact that the catalyst is in the form of hollow bodies.
A method for producing hexamethylenediamine (HMD) by catalytic hydrogenation of adiponitrile with hydrogen-containing gases and ammonia in the presence of a molded nickel hydrogenation catalyst of Raney type, which is characterized by the fact that the catalyst is in the form of hollow bodies.
A method for producing hexamethylenediamine (HMD) by catalytic hydrogenation of adiponitrile with hydrogen-containing gases in the presence of a molded nickel hydrogenation catalyst of Raney type, which is characterized by the fact that the catalyst is in the form of hollow bodies and contains elements of groups 3B to 7B, 8 and 1B of the periodic system, especially chromium, manganese, iron, vanadium, tantalum, titanium, tungsten, molybdenum, rhenium and/or metals of the platinum group.
A method for producing hexamethylenediamine (HMD) by catalytic hydrogenation of adiponitrile with hydrogen-containing gases in the presence of NaOH or/and LiOH in the presence of a molded nickel hydrogenation catalyst of Raney type, which is characterized by the fact that the catalyst is in the form of hollow bodies and contains elements of groups 3B to 7B, 8 and 1B of the periodic system, especially chromium, manganese, iron, vanadium, tantalum, titanium, tungsten, molybdenum, rhenium and/or metals of the platinum group.
A method for producing hexamethylenediamine (HMD) by catalytic hydrogenation of adiponitrile with hydrogen-containing gases in the presence of a molded nickel hydrogenation catalyst of Raney type, which is characterized by the fact that the catalyst is in the form of hollow bodies and contains elements from groups 1A, 2A, 2B and/or 3A of the periodic system and/or germanium, tin, lead, antimony or bismuth.
A method for producing hexamethylenediamine (HMD) by catalytic hydrogenation of adiponitrile with hydrogen-containing gases and ammonia in the presence of a molded nickel hydrogenation catalyst of Raney type, which is characterized by the fact that the catalyst is in the form of hollow bodies and it contains elements from groups 3B to 7B, 8 and 1B of the periodic system, especially chromium, manganese, iron, vanadium, tantalum, titanium, tungsten, molybdenum, rhenium and/or metals of the platinum group.
A method for producing hexamethylenediamine (HMD) by catalytic hydrogenation of adiponitrile with hydrogen-containing gases and ammonia in the presence of a molded nickel hydrogenation catalyst of Raney type, which is characterized by the fact that the catalyst is in the form of hollow bodies and contains elements from groups 1A, 2A, 2B and/or 3A of the periodic system and/or germanium, tin, lead, antimony or bismuth.
A method for producing hexamethylenediamine (HMD) by catalytic hydrogenation of adiponitrile with hydrogen-containing gases in the presence of a molded cobalt hydrogenation catalyst of Raney type, which is characterized by the fact that the catalyst is in the form of hollow bodies.
A method for producing hexamethylenediamine (HMD) by catalytic hydrogenation of adiponitrile with hydrogen-containing gases and ammonia in the presence of a molded cobalt hydrogenation catalyst of Raney type, which is characterized by the fact that the catalyst is in the form of hollow bodies.
A method for producing hexamethylenediamine (HMD) by catalytic hydrogenation of adiponitrile with hydrogen-containing gases in the presence of a molded cobalt hydrogenation catalyst of Raney type, which is characterized by the fact that the catalyst is in the form of hollow bodies and contains elements from groups 3B to 7B, 8 and 1B of the periodic system, especially chromium, manganese, iron, vanadium, tantalum, titanium, tungsten, molybdenum, rhenium and/or metals of the platinum group.
A method for producing hexamethylenediamine (HMD) by catalytic hydrogenation of adiponitrile with hydrogen-containing gases in the presence of NaOH or/and LiOH in the presence of a molded cobalt hydrogenation catalyst of Raney type, which is characterized by the fact that the catalyst is in the form of hollow bodies and contains elements from groups 3B to 7B, 8 and 1B of the periodic system, especially chromium, manganese, iron, vanadium, tantalum, titanium, tungsten, molybdenum, rhenium and/or metals of the platinum group.
A method for producing hexamethylenediamine (HMD) by catalytic hydrogenation of adiponitrile with hydrogen-containing gases in the presence of a molded cobalt hydrogenation catalyst of Raney type, which is characterized by the fact that the catalyst is in the form of hollow bodies and contains elements from groups 1A, 2A, 2B and/or 3A of the periodic system and/or germanium, tin, lead, antimony or bismuth.
A method for producing hexamethylenediamine (HMD) by catalytic hydrogenation of adiponitrile with hydrogen-containing gases and ammonia in the presence of a molded cobalt hydrogenation catalyst of Raney type, which is characterized by the fact that the catalyst is in the form of hollow bodies and contains elements from groups 3B to 7B, 8 and 1B of the periodic system, especially chromium, manganese, iron, vanadium, tantalum, titanium, tungsten, molybdenum, rhenium and/or metals of the platinum group.
A method for producing hexamethylenediamine (HMD) by catalytic hydrogenation of adiponitrile with hydrogen-containing gases and ammonia in the presence of a molded cobalt hydrogenation catalyst of Raney type, which is characterized by the fact that the catalyst is in the form of hollow bodies and contains elements from groups 1A, 2A, 2B and/or 3A of the periodic system and/or germanium, tin, lead, antimony or bismuth.
Dependencies are inferred from the claim text.