Preparation of n-phenyl-benzoquinoneimine from hydroxydiphenylamines
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.
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | 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. |
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