Preparation of n-phenyl-benzoquinoneimine from...

C - Chemistry – Metallurgy – 07 – C

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

Patent

CA 2318457

A hydroxydiphenylamine compound can be converted to an N-phenylquinoneimine by reacting the hydroxydiphenylamine with oxygen or an oxygen containing gas in the presence of a modified activated carbon catalyst, the catalyst having had surface oxides removed therefrom.

On peut convertir un composé à base d'hydroxydiphénylamine en N-phénylquinoneimine en faisant réagir ladite hydroxydiphénylamine avec de l'oxygène ou avec un gaz contenant de l'oxygène, en présence d'un catalyseur à base de carbone actif modifié dont les oxydes de surface ont été éliminés.

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