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Anchoring an Iridium Pincer Complex in a Hydrophobic Microporous Polymer for Application in Continuous‐Flow Alkane Dehydrogenation

König, Michaela; Traxler, Michael; Rudolph, Maik Alexander; Schmidt, Johannes; Küçükkeçeci, Hüseyin; Schomäcker, Reinhard; Thomas, Arne

FG Funktionsmaterialien

An iridium pincer complex {p‐KO‐C6H2‐2,6‐[OP(t‐Bu)2]2}Ir(C2H4) is immobilized in a propyl bromide‐functionalized microporous polymer network using the concepts of surface organometallic chemistry. The support material enables the formation of isolated active metal sites embedded in a chemically robust and highly hydrophobic environment. The catalyst maintained high porosity and – without prior activation – exhibited high activity in the continuous‐flow dehydrogenation of cyclohexane at elevated temperatures. The catalyst shows a stable performance for at least 7 days, even when additional H2O was co‐fed, owing to its hydrophobic nature.