Formation of quinonediimines from phenylenediamines by...

Details Formation of quinonediimines from phenylenediamines by... Formation of quinonediimines from phenylenediamines by...

C - Chemistry, Metallurgy

07

C

C07C 249/02 (2006.01) C07C 251/22 (2006.01)

Patent

CA 2308312

A phenylenediamine compound can be converted, with high selectivity, into its corresponding quinonediimine by reacting the phenylenediamine with oxygen in the presence of a modified activated carbon catalyst in an aqueous system.

L'invention concerne un composé de phénylènediamine qu'on peut transformer avec une grande sélectivité en sa quinonediimine correspondante, en mettant à réagir la phénylènediamine avec de l'oxygène en présence d'un catalyseur de charbon actif modifié dans un système aqueux.

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