Method for preparing amino compounds

Details Method for preparing amino compounds Method for preparing amino compounds

C - Chemistry, Metallurgy

07

C

260/607.9

C07C 209/52 (2006.01)

Patent

CA 1079750

METHOD FOR PREPARING AMINO COMPOUNDS Abstract of the Disclosure Organic diamines can be prepared by first reacting a tertiary mono-amine with glyoxal and reducing the formed diimine in the presence of hydrogen and a hydrogenation catalyst. Additional advantages are derived by carrying out the reduction step in the presence of a lower alkanol and in the presence of the tertiary mono-amine used to make the diimino compound. The diamino compounds thus obtained are useful as catalysts in the preparation of polyphenylene oxide resins.

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