Preparation of amines

Details Preparation of amines Preparation of amines

1998-10-23

1999-11-23

Owens, Amelia

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D30702

Patent

active

059903236

ABSTRACT:
Disclosed is a process for the preparation of an amine by contacting in a reaction zone a water-soluble aldehyde, water, ammonia and hydrogen in the presence of a supported ruthenium catalyst at elevated temperature and pressure. The process is particularly useful for the preparation of 3-(aminomethyl)tetrahydrofuran by contacting an aqueous solution of 3-formyltetrahydrofuran with ammonia and hydrogen at elevated temperature and pressure in the presence of a supported ruthenium catalyst. The use of a supported ruthenium catalyst has been found to avoid the problem of catalyst leaching encountered when a nickel catalyst is used.

REFERENCES:
patent: 4963672 (1990-10-01), Merger et al.
patent: 5068398 (1991-11-01), Merger et al.
patent: 5166443 (1992-11-01), Merger et al.
Freifelder, Morris, Practical Catalytic Hydrogeneration, John Wiley & Sons, Inc. 1971, pp. 333-345.

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