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Alkane-Alkene Coupling Via Tandem Alkane-Dehydrogenation/Alkene-Dimerization Catalyzed by Pincer Iridium Catalyst Heterogenized on Solid Supports
Alkane-Alkene Coupling Via Tandem Alkane-Dehydrogenation/Alkene-Dimerization Catalyzed by Pincer Iridium Catalyst Heterogenized on Solid Supports
Disclosed herein are processes for tandem alkene dehydrogenation/alkene dimerization using an iridium pincer complex catalyst on a support comprising magnesium silicates (e.g., Florisil®). The reaction process comprises providing an iridium pincer complex bound to a solid support comprising magnesium silicates; providing a gaseous alkane feedstock comprising at least one alkane; and contacting the gaseous alkane feedstock with the iridium pincer complex bound to the solid support in the presence of a hydrogen acceptor to form dimerized alkenes. The processes disclosed herein can accomplish facile, low-temperature tandem transfer dehydrogenation of alkanes and dimerization of alkenes with unprecedented TONs at a reasonable rate of conversion.
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