Preparation of quinonediimines from phenylenediamines using oxyg

Details Preparation of quinonediimines from phenylenediamines using oxyg Preparation of quinonediimines from phenylenediamines using oxyg

1999-05-28

2000-02-15

Killos, Paul J.

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

Organic compounds

Cyclohexadiene having atoms double bonded directly at the 1-...

C07C 5004

Patent

active

060255080

ABSTRACT:
A phenylenediamine compound can be converted, with high selectivity, into its corresponding quinonediimine by reacting the phenylenediamine with oxygen and a metal catalyst or a salt thereof.

REFERENCES:
patent: 5053540 (1991-10-01), Cottman
patent: 5091545 (1992-02-01), Parker
patent: 5189218 (1993-02-01), Desmars et al.

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