Method for the simultaneous production of tetrahydrofurans...

Details Method for the simultaneous production of tetrahydrofurans... Method for the simultaneous production of tetrahydrofurans...

2007-03-20

2007-03-20

McKane, Joseph K. (Department: 1626)

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C549S508000, C549S325000

Reexamination Certificate

active

10505706

ABSTRACT:
A process for coproducing alkyl-substituted or unsubstituted THF and pyrrolidones by catalytically hydrogenating C4-dicarboxylic acids and/or derivatives thereof in the gas phase in the presence of copper catalysts and reacting GBL with ammonia or primary amines to give pyrrolidones.

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Ullmann's Encyclopedia of Industrial Chemistry , 5thEd., vol. A22, pp. 457-459.

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