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US 2001/0012906 A1Published application
Process for producing aminodiphenylamines
AssigneeBayer Aktiengesellschaft
InventorsHenry Giera, Torsten Pohl, Uwe Hugger, Adolf Sicheneder, Fred Schuhmacher, Adolf Brill
Life of this patent
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Abstract
The present invention relates to the production of aminodiphenyl-amines resulting in good yields and high purity levels when aromatic amines are reacted with nitrohalobenzenes in the presence of a palladium catalyst and a base and the product thus obtained is subsequently hydrogenated with hydrogen.
Claims9
A process for producing aminodiphenylamines comprising the steps of reacting aromatic amines with nitrohalobenzenes in the presence of a palladium catalyst and a base to produce a product and hydrogenating said product with hydrogen.
Dependencies are inferred from the claim text.