Process for the production of lactams

Details Process for the production of lactams Process for the production of lactams

2004-10-15

2008-09-23

Witherspoon, Sikarl A (Department: 1621)

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C549S295000, C549S302000, C568S852000

Reexamination Certificate

active

07427684

ABSTRACT:
A homogeneous process for the hydrogenation of dicarboxylic acid and/or derivative thereof with an amine in the presence of a catalyst comprising: (a) ruthenium or osmium; and (b) an organic phosphine; and wherein the hydrogenation is carried out in the presence of water.

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