Continuous Gas-Phase Hydroaminomethylation using Supported Ionic Liquid Phase Catalysts


  • We gratefully thank the Deutsche Forschungsgemeinschaft within the Erlangen Excellence Cluster “Engineering of Advanced Materials” and the European Community within its project SYNFLOW (FP7; grant agreement n° NMP2-LA-2010-246461) for financial support.


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Just SILP-ing through: Hydroaminomethylation of ethylene and diethylamine to diethylpropylamine is demonstrated as a continuous gas-phase reaction (see picture) using a supported ionic liquid phase (SILP) to immobilize the applied homogenous Rh-Xantphos catalyst. Highly selective and long-term stable (18 days) catalyst operation was obtained if the ionic liquid was of low basicity and lipophilicity combined with a porous activated carbon support.