Preparation of N-substituted pyrrolidones

Details Preparation of N-substituted pyrrolidones Preparation of N-substituted pyrrolidones

1991-06-04

1992-03-31

Springer, David B.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548545, 548552, C07D20763, C07D20108

Patent

active

051010453

ABSTRACT:
A process for the preparation of N-substituted pyrrolidones by catalytic hydrogenation of maleic anhydride, maleic acid and/or fumaric acid in the presence of ammonia uses at least stoichiometric amounts of a primary alcohol or of an aldehyde and uses a catalyst which comprises cobalt and at least one of the elements manganese, copper, phosphorus, molybdenum and/or sodium.

REFERENCES:
patent: 3109005 (1963-10-01), Lidov
patent: 3884936 (1975-05-01), Hollstein
patent: 4814464 (1989-03-01), Olsen

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