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Cosgrove SC, Miller GJ, Bornadel A, Dominguez B. Realizing the Continuous Chemoenzymatic Synthesis of Anilines Using an Immobilized Nitroreductase. ACS SUSTAINABLE CHEMISTRY & ENGINEERING 2023; 11:8556-8561. [PMID: 37323810 PMCID: PMC10265703 DOI: 10.1021/acssuschemeng.3c01204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 05/22/2023] [Indexed: 06/17/2023]
Abstract
The use of biocatalysis for classically synthetic transformations has seen an increase in recent years, driven by the sustainability credentials bio-based approaches can offer the chemical industry. Despite this, the biocatalytic reduction of aromatic nitro compounds using nitroreductase biocatalysts has not received significant attention in the context of synthetic chemistry. Herein, a nitroreductase (NR-55) is demonstrated to complete aromatic nitro reduction in a continuous packed-bed reactor for the first time. Immobilization on an amino-functionalized resin with a glucose dehydrogenase (GDH-101) permits extended reuse of the immobilized system, all operating at room temperature and pressure in aqueous buffer. By transferring into flow, a continuous extraction module is incorporated, allowing the reaction and workup to be continuously undertaken in a single operation. This is extended to showcase a closed-loop aqueous phase, permitting reuse of the contained cofactors, with a productivity of >10 gproduct gNR-55-1 and milligram isolated yields >50% for the product anilines. This facile method removes the need for high-pressure hydrogen gas and precious-metal catalysts and proceeds with high chemoselectivity in the presence of hydrogenation-labile halides. Application of this continuous biocatalytic methodology to panels of aryl nitro compounds could offer a sustainable approach to its energy and resource-intensive precious-metal-catalyzed counterpart.
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Affiliation(s)
- Sebastian C. Cosgrove
- School
of Chemical and Physical Sciences & Centre for Glycoscience, Keele University, Keele, Staffordshire ST5 5BG, United Kingdom
| | - Gavin J. Miller
- School
of Chemical and Physical Sciences & Centre for Glycoscience, Keele University, Keele, Staffordshire ST5 5BG, United Kingdom
| | - Amin Bornadel
- Johnson
Matthey, 28 Cambridge
Science Park, Milton Rd, Cambridge CB4 0FP, United Kingdom
| | - Beatriz Dominguez
- Johnson
Matthey, 28 Cambridge
Science Park, Milton Rd, Cambridge CB4 0FP, United Kingdom
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Theoretical modeling of homogenous gold-catalyzed or NaH-supported alkyne cyclization. MONATSHEFTE FUR CHEMIE 2021. [DOI: 10.1007/s00706-021-02775-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Hale WG, Zhao TY, Choi D, Ferrer MJ, Song B, Zhao H, Hagelin-Weaver HE, Bowers CR. Toward Continuous-Flow Hyperpolarisation of Metabolites via Heterogenous Catalysis, Side-Arm-Hydrogenation, and Membrane Dissolution of Parahydrogen. Chemphyschem 2021; 22:822-827. [PMID: 33689210 DOI: 10.1002/cphc.202100119] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2021] [Revised: 03/09/2021] [Indexed: 02/03/2023]
Abstract
Side-arm hydrogenation (SAH) by homogeneous catalysis has extended the reach of the parahydrogen enhanced NMR technique to key metabolites such as pyruvate. However, homogeneous hydrogenation requires rapid separation of the dissolved catalyst and purification of the hyperpolarised species with a purity sufficient for safe in-vivo use. An alternate approach is to employ heterogeneous hydrogenation in a continuous-flow reactor, where separation from the solid catalysts is straightforward. Using a TiO2 -nanorod supported Rh catalyst, we demonstrate continuous-flow parahydrogen enhanced NMR by heterogeneous hydrogenation of a model SAH precursor, propargyl acetate, at a flow rate of 1.5 mL/min. Parahydrogen gas was introduced into the flowing solution phase using a novel tube-in-tube membrane dissolution device. Without much optimization, proton NMR signal enhancements of up to 297 (relative to the thermal equilibrium signals) at 9.4 Tesla were shown to be feasible on allyl-acetate at a continuous total yield of 33 %. The results are compared to those obtained with the standard batch-mode technique of parahydrogen bubbling through a suspension of the same catalyst.
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Affiliation(s)
- William G Hale
- Department of Chemistry, University of Florida, Gainesville, Florida, 32611
| | - Tommy Y Zhao
- Department of Chemistry, University of Florida, Gainesville, Florida, 32611
| | - Diana Choi
- Department of Chemistry, University of Florida, Gainesville, Florida, 32611
| | - Maria-Jose Ferrer
- Department of Chemistry, University of Florida, Gainesville, Florida, 32611
| | - Bochuan Song
- Department of Chemical Engineering, University of Florida, Gainesville, Florida, 32611
| | - Hanqin Zhao
- Department of Chemical Engineering, University of Florida, Gainesville, Florida, 32611
| | | | - Clifford R Bowers
- Department of Chemistry, University of Florida, Gainesville, Florida, 32611.,National High Magnetic Field Laboratory, Gainesville, Florida, 32611
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Yu T, Jiao J, Song P, Nie W, Yi C, Zhang Q, Li P. Recent Progress in Continuous-Flow Hydrogenation. CHEMSUSCHEM 2020; 13:2876-2893. [PMID: 32301233 DOI: 10.1002/cssc.202000778] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Indexed: 06/11/2023]
Abstract
To achieve a safe, efficient, and sustainable (even fully automated) production for the continuous-flow hydrogenation reactions, which is among the most often used reactions in chemical synthesis, new catalyst types and immobilization methods as well as flow reactors and technologies have been developed over the last years; in addition, these approaches have been combined with new and transformational technologies in other fields such as artificial intelligence. Thus, attention from academic and industry practitioners has increasingly focused on improving the performance of hydrogenation in flow mode by reducing the reaction times, increasing selectivities, and achieve safe operation. This Minireview aims to summarize the most recent research results on this topic with focus on the advantages, current limitations, and future directions of flow chemistry.
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Affiliation(s)
- Tao Yu
- Frontier Institute of Science and Technology (FIST), Xi'an Jiaotong University, Xi'an, 710049, P.R. China
| | - Jiao Jiao
- Departement of Chemistry, School of Science, Xi'an Jiaotong University, Xi'an, 710061, P. R. China
- Xian Key Laboratory of Sustainable Energy Materials Chemistry, Xi'an Jiaotong University, Xi'an, 710049, P. R. China
| | - Peidong Song
- Frontier Institute of Science and Technology (FIST), Xi'an Jiaotong University, Xi'an, 710049, P.R. China
| | - Wenzheng Nie
- Departement of Chemistry, School of Science, Xi'an Jiaotong University, Xi'an, 710061, P. R. China
| | - Chunhai Yi
- Shaanxi Key Laboratory of Energy Chemical Process Intensification, School of Chemical Engineering and Technology, Xi'an Jiaotong University, Xi'an, 710049, P. R. China
| | - Qian Zhang
- Department of Applied Chemistry, Xi'an University of Technology, Xi'an, 710048, P. R. China
| | - Pengfei Li
- Frontier Institute of Science and Technology (FIST), Xi'an Jiaotong University, Xi'an, 710049, P.R. China
- Xian Key Laboratory of Sustainable Energy Materials Chemistry, Xi'an Jiaotong University, Xi'an, 710049, P. R. China
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Bonita Y, O’Connell TP, Miller HE, Hicks JC. Revealing the Hydrogenation Performance of RuMo Phosphide for Chemoselective Reduction of Functionalized Aromatic Hydrocarbons. Ind Eng Chem Res 2019. [DOI: 10.1021/acs.iecr.8b06295] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Yolanda Bonita
- Department of Chemical and Biomolecular Engineering, University of Notre Dame, 182 Fitzpatrick Hall, Notre Dame, Indiana 46556, United States
| | - Timothy P. O’Connell
- Department of Chemical and Biomolecular Engineering, University of Notre Dame, 182 Fitzpatrick Hall, Notre Dame, Indiana 46556, United States
| | - Holly E. Miller
- Department of Chemical and Biomolecular Engineering, University of Notre Dame, 182 Fitzpatrick Hall, Notre Dame, Indiana 46556, United States
| | - Jason C. Hicks
- Department of Chemical and Biomolecular Engineering, University of Notre Dame, 182 Fitzpatrick Hall, Notre Dame, Indiana 46556, United States
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Fabry DC, Heddrich S, Sugiono E, Liauw MA, Rueping M. Adaptive and automated system-optimization for heterogeneous flow-hydrogenation reactions. REACT CHEM ENG 2019. [DOI: 10.1039/c9re00032a] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The autonomous hydrogenation of carbonyl compounds and N-heterocycles over solid catalysts with H2 is achieved in 3D parameter space by integrating analytics, control and hardware.
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Affiliation(s)
- David C. Fabry
- Institute of Organic Chemistry
- RWTH Aachen University
- Aachen D-52074
- Germany
| | - Steffen Heddrich
- Institute of Technical and Macromolecular Chemistry
- RWTH Aachen University
- 52074 Aachen
- Germany
| | - Erli Sugiono
- Institute of Organic Chemistry
- RWTH Aachen University
- Aachen D-52074
- Germany
| | - Marcel A. Liauw
- Institute of Technical and Macromolecular Chemistry
- RWTH Aachen University
- 52074 Aachen
- Germany
| | - Magnus Rueping
- Institute of Organic Chemistry
- RWTH Aachen University
- Aachen D-52074
- Germany
- KAUST Catalysis Center (KCC)
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