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职业迁徙
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Our research program uses fundamental principles of molecular design to address some of the grand challenges in the fields of small molecule activation and catalysis. We are interested in developing strategies to reversibly store energy in the form of chemical bonds, and also to rapidly convert abundant chemical (bio)feedstocks into value-added chemicals and fuels.
The overarching themes of our research program are to (a) understand how to exploit carefully positioned secondary-sphere sites to control reactivity, and (b) develop transition metal compounds to promote otherwise difficult transformations of small molecule chemical feedstocks such as N2, CO2, O2, and CO.
We are working to establish new ways by which molecular catalysts can be tuned by the incorporation of pendent functional groups within a metal’s secondary coordination sphere environment. We are using these appended functional groups (hydrogen bond donor/acceptors, or Lewis acid/bases) to augment reactivity of the central transition metal in order to promote the activation/delivery of small molecules to appropriate substrates. Overall, our approach aims to move the emphasis away from the transition metal, and instead, place high importance on secondary-coordination sphere interactions (not directly bound to the metal) to develop new metal complexes and catalysts that synergistically engage substrates for binding/reduction, regulate activity, and ultimately incorporate earth-abundant metals.
The overarching themes of our research program are to (a) understand how to exploit carefully positioned secondary-sphere sites to control reactivity, and (b) develop transition metal compounds to promote otherwise difficult transformations of small molecule chemical feedstocks such as N2, CO2, O2, and CO.
We are working to establish new ways by which molecular catalysts can be tuned by the incorporation of pendent functional groups within a metal’s secondary coordination sphere environment. We are using these appended functional groups (hydrogen bond donor/acceptors, or Lewis acid/bases) to augment reactivity of the central transition metal in order to promote the activation/delivery of small molecules to appropriate substrates. Overall, our approach aims to move the emphasis away from the transition metal, and instead, place high importance on secondary-coordination sphere interactions (not directly bound to the metal) to develop new metal complexes and catalysts that synergistically engage substrates for binding/reduction, regulate activity, and ultimately incorporate earth-abundant metals.
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Yuanyang Jiang, Chenxiu Han,Zipeng Guo, Zhenyang Dai,Guangchao Liang,Shuo Guo,Nathaniel K. Szymczak,Pingping Tang
GREEN CHEMISTRYno. 8 (2024): 4518-4527
Kaushik Chakrabarti,Michael M. Wade Wolfe,Shuo Guo,Joseph W. Tucker, Jisun Lee,Nathaniel K. Szymczak
CHEMICAL SCIENCEno. 5 (2024): 1752-1757
ACS Catalysispp.8456-8462, (2024)
JOURNAL OF THE AMERICAN CHEMICAL SOCIETYno. 15 (2024): 10508-10516
ORGANOMETALLICSno. 6 (2023): 479-485
Chemical communications (Cambridge, England)no. 83 (2022): 11705-11708
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