Evonik Degussa Gmbh

Ralph Jackstell

Robert Franke

Dirk Fridag

Matthias Beller

Katrin Marie Dyballa

Dieter Hess

Frank Geilen

Kaiwu Dong

The invention relates to a process comprising the following process steps: whereRis selected from &#x2014;(C-C)-alkyl, &#x2014;O&#x2014;(C-C)-alkyl, &#x2014;O&#x2014;(C-C)-aryl, &#x2014;(C-C)-aryl, &#x2014;(C-C)-cycloalkyl, &#x2014;(C-C)-heterocycloalkyl, &#x2014;(C-C)-heteroaryl;Ris selected from &#x2014;(C-C)-aryl, &#x2014;(C-C)-cycloalkyl, &#x2014;(C-C)-heterocycloalkyl, &#x2014;(C-C)-heteroaryl;Ris &#x2014;(C-C)-heteroaryl;and R, Rand Rmay each independently be substituted by one or more substituents selected from&#x2014;(C-C)-alkyl, &#x2014;(C-C)-cycloalkyl, &#x2014;(C-C)-heterocycloalkyl, &#x2014;O&#x2014;(C-C)-alkyl, &#x2014;O&#x2014;(C-C)-alkyl-(C-C)-aryl, &#x2014;O&#x2014;(C-C)-cycloalkyl, &#x2014;S&#x2014;(C-C)-alkyl, &#x2014;S&#x2014;(C-C)-cycloalkyl, &#x2014;COO&#x2014;(C-C)-alkyl, &#x2014;COO&#x2014;(C-C)-cycloalkyl, &#x2014;CONH&#x2014;(C-C)-alkyl, &#x2014;CONH&#x2014;(C-C)-cycloalkyl, &#x2014;CO&#x2014;(C-C)-alkyl, &#x2014;CO&#x2014;(C-C)-cycloalkyl, &#x2014;N&#x2014;[(C-C)-alkyl], &#x2014;(C-C)-aryl, &#x2014;(C-C)-aryl-(C-C)-alkyl, &#x2014;(C-C)-aryl-O&#x2014;(C-C)-alkyl, &#x2014;(C-C)-heteroaryl, &#x2014;(C-C)-heteroaryl-(C-C)-alkyl, &#x2014;(C-C)-heteroaryl-O&#x2014;(C-C)-alkyl, &#x2014;COOH, &#x2014;OH, &#x2014;SOH, &#x2014;NH, halogen.

Process for the alkoxycarbonylation of ethylenically unsaturated compounds with monophosphine ligands

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Cuxhaven Altenwalde, Germany

Ralph Jackstell