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Lee S, Xie H, Chen Z, Mian MR, Gómez-Torres A, Syed ZH, Reischauer S, Chapman KW, Delferro M, Farha OK. Metal-Organic Frameworks as a Tunable Platform to Deconvolute Stereoelectronic Effects on the Catalytic Activity of Thioanisole Oxidation. J Am Chem Soc 2024; 146:3955-3962. [PMID: 38295514 DOI: 10.1021/jacs.3c11809] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2024]
Abstract
The local environment of a metal active site plays an important role in affecting the catalytic activity and selectivity. In recent studies, tailoring the behavior of a molybdenum-based active site via modulation of the first coordination sphere has led to improved thioanisole oxidation performance, but disentangling electronic effects from steric influences that arise from these modifications is nontrivial, especially in heterogeneous systems. To this end, the tunability of metal-organic frameworks (MOFs) makes them promising scaffolds for controlling the coordination sphere of a heterogeneous, catalytically active metal site while offering additional attractive features such as crystallinity and high porosity. Herein, we report a variety of MOF-supported Mo species, which were investigated for catalytic thioanisole oxidation to methyl phenyl sulfoxide and/or methyl phenyl sulfone using tert-butyl hydroperoxide (tBHP) as the oxidant. In particular, MOFs of contrasting node architectures were targeted, presenting a unique opportunity to investigate the stereoelectronic control of Mo active sites in a systematic manner. A Zr6-based MOF, NU-1000, was employed along with its sulfated analogue Zr6-based NU-1000-SO4 to anchor a dioxomolybdenum species, which enabled examination of support-mediated active site polarizability on catalytic performance. In addition, a MOF containing a mixed metal node, Mo-MFU-4l, was used to probe the stereoelectronic impact of an N-donor ligand environment on the catalytic activity of the transmetalated Mo center. Characterization techniques, including single crystal X-ray diffraction, were concomitantly used with reaction time course profiles to better comprehend the dynamics of different Mo active sites, thus correlating structural change with activity.
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Affiliation(s)
- Seryeong Lee
- Department of Chemistry and International Institute for Nanotechnology, Northwestern University, Evanston, Illinois 60208, United States
- Chemical Sciences and Engineering Division, Argonne National Laboratory, Lemont, Illinois 60439, United States
| | - Haomiao Xie
- Department of Chemistry and International Institute for Nanotechnology, Northwestern University, Evanston, Illinois 60208, United States
| | - Zhihengyu Chen
- Department of Chemistry, Stony Brook University, Stony Brook, New York 11794, United States
| | - Mohammad Rasel Mian
- Department of Chemistry and International Institute for Nanotechnology, Northwestern University, Evanston, Illinois 60208, United States
| | - Alejandra Gómez-Torres
- Department of Chemistry and International Institute for Nanotechnology, Northwestern University, Evanston, Illinois 60208, United States
| | - Zoha H Syed
- Department of Chemistry and International Institute for Nanotechnology, Northwestern University, Evanston, Illinois 60208, United States
- Chemical Sciences and Engineering Division, Argonne National Laboratory, Lemont, Illinois 60439, United States
| | - Susanne Reischauer
- Department of Chemistry and International Institute for Nanotechnology, Northwestern University, Evanston, Illinois 60208, United States
| | - Karena W Chapman
- Department of Chemistry, Stony Brook University, Stony Brook, New York 11794, United States
| | - Massimiliano Delferro
- Chemical Sciences and Engineering Division, Argonne National Laboratory, Lemont, Illinois 60439, United States
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, Illinois 60637, United States
| | - Omar K Farha
- Department of Chemistry and International Institute for Nanotechnology, Northwestern University, Evanston, Illinois 60208, United States
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2
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Wang Y, Chen SL, Gao YL, Cao YQ, Zhang Q, Chang WK, Benziger JB. Enhanced Methanol to Olefin Catalysis by Physical Mixtures of SAPO-34 Molecular Sieve and MgO. ACS Catal 2017. [DOI: 10.1021/acscatal.7b01285] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Ya Wang
- State
Key Laboratory of Heavy Oil Processing and Department of Chemical
Engineering, China University of Petroleum, Beijing, 102249, People’s Republic of China
| | - Sheng-Li Chen
- State
Key Laboratory of Heavy Oil Processing and Department of Chemical
Engineering, China University of Petroleum, Beijing, 102249, People’s Republic of China
| | - Yu-Li Gao
- State
Key Laboratory of Heavy Oil Processing and Department of Chemical
Engineering, China University of Petroleum, Beijing, 102249, People’s Republic of China
| | - Ying-Qian Cao
- State
Key Laboratory of Heavy Oil Processing and Department of Chemical
Engineering, China University of Petroleum, Beijing, 102249, People’s Republic of China
| | - Qi Zhang
- State
Key Laboratory of Heavy Oil Processing and Department of Chemical
Engineering, China University of Petroleum, Beijing, 102249, People’s Republic of China
| | - Wei-Ke Chang
- State
Key Laboratory of Heavy Oil Processing and Department of Chemical
Engineering, China University of Petroleum, Beijing, 102249, People’s Republic of China
| | - Jay B. Benziger
- Department
of Chemical and Biological Engineering, Princeton University, Princeton, New Jersey 08544, United States
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Mouat AR, Lohr TL, Wegener EC, Miller JT, Delferro M, Stair PC, Marks TJ. Reactivity of a Carbon-Supported Single-Site Molybdenum Dioxo Catalyst for Biodiesel Synthesis. ACS Catal 2016. [DOI: 10.1021/acscatal.6b01717] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Aidan R. Mouat
- Department
of Chemistry, Northwestern University, Evanston, Illinois 60208-3113, United States
| | - Tracy L. Lohr
- Department
of Chemistry, Northwestern University, Evanston, Illinois 60208-3113, United States
| | - Evan C. Wegener
- School
of Chemical Engineering, Purdue University, West Lafayette, Indiana 47907-2100, United States
| | - Jeffrey T. Miller
- School
of Chemical Engineering, Purdue University, West Lafayette, Indiana 47907-2100, United States
| | - Massimiliano Delferro
- Department
of Chemistry, Northwestern University, Evanston, Illinois 60208-3113, United States
| | - Peter C. Stair
- Department
of Chemistry, Northwestern University, Evanston, Illinois 60208-3113, United States
| | - Tobin J. Marks
- Department
of Chemistry, Northwestern University, Evanston, Illinois 60208-3113, United States
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Chary KVR, Bhaskar T, Kishan G, Reddy KR. Characterization and Reactivity of Molybdenum Oxide Catalysts Supported on Niobia. J Phys Chem B 2001. [DOI: 10.1021/jp003201y] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Komandur V. R. Chary
- Catalysis Division, Indian Institute of Chemical Technology, Hyderabad 500 007, India
| | - Thallada Bhaskar
- Catalysis Division, Indian Institute of Chemical Technology, Hyderabad 500 007, India
| | - Gurram Kishan
- Catalysis Division, Indian Institute of Chemical Technology, Hyderabad 500 007, India
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