Catalytic hydrogenation of olefins by a multifunctional molybdenum-sulfur complex

Minghui Xue, Zhiqiang Peng, Keyan Tao, Jiong Jia, Datong Song (), Chen-Ho Tung and Wenguang Wang ()
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Minghui Xue: Shandong University
Zhiqiang Peng: Beijing Normal University
Keyan Tao: Beijing Normal University
Jiong Jia: Shandong University
Datong Song: University of Toronto
Chen-Ho Tung: Shandong University
Wenguang Wang: Shandong University

Nature Communications, 2024, vol. 15, issue 1, 1-8

Abstract: Abstract Exploration of molybdenum complexes as homogeneous hydrogenation catalysts has garnered significant attention, but hydrogenation of unactivated olefins under mild conditions are scarce. Here, we report the synthesis of a molybdenum complex, [Cp*Mo(Ph2PC6H4S−CH = CH2)(Py)]+ (2), which exhibits intriguing reactivity toward C2H2 and H2 under ambient pressure. This vinylthioether complex showcases efficient catalytic activity in the hydrogenation of various aromatic and aliphatic alkenes, demonstrating a broad substrate scope without the need for any additives. The catalytic pathway involves an uncommon oxidative addition of H2 to the cationic Mo(II) center, resulting in a Mo(IV) dihydride intermediate. Moreover, complex 2 also shows catalytic activity toward C2H2, leading to the production of polyacetylene and the extension of the vinylthioether ligand into a pendant triene chain.

Date: 2024
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DOI: 10.1038/s41467-024-45018-3

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