Basf Aktiengesellschaft

Basf Se Corporation

Karl Heinz Brauch

Jochem Henkelmann

Boris Breitscheidel

Thomas Ruhl

Till Gerlach

Andreas Henne

Wolfgang Reif

Franz Josef Brocker

Frederik Van Laar

Arnd Bottcher

Friederike Osswald

A process for preparing 1,2-diamino-3-methylcyclohexane and/or 1,2-diamino-4-methylcyclohexane by reacting 2,3- and/or 3,4-diaminotoluene with hydrogen at elevated pressure and elevated temperature in the presence of a heterogeneous rhodium catalyst, wherein a mixture comprising 2,3- and/or 3,4-diaminotoluene, a dialkyl ether and/or alicyclic ether as a solvent and ammonia is initially charged in an autoclave in the presence of the catalyst and subsequently hydrogenated while supplying hydrogen.

Method for producing 1,2-diamino-3-methylcyclohexane and/or 1,2-diamino-4-methylcyclohexane

A process for reacting an organic compound in the presence of a catalyst, wherein the catalyst comprises a homogeneous ruthenium compound or a mixture of two or more thereof deposited in situ on a support.

Process for reacting an organic compound in the presence of a ruthenium

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Lampertheim, Germany

Karl Heinz Brauch