Preparation of quinonediimines from phenylenediamines using...

C - Chemistry – Metallurgy – 07 – C

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

Patent

CA 2333665

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.

L'invention concerne un composé de phénylènediamine que l'on peut transformer, avec une sélectivité élevée, en sa quinonediimine correspondante, en faisant réagir la phénylènediamine avec de l'oxygène et un catalyseur métallique ou un sel de celui-ci.

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