1
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Emmanuel MA, Bender SG, Bilodeau C, Carceller JM, DeHovitz JS, Fu H, Liu Y, Nicholls BT, Ouyang Y, Page CG, Qiao T, Raps FC, Sorigué DR, Sun SZ, Turek-Herman J, Ye Y, Rivas-Souchet A, Cao J, Hyster TK. Photobiocatalytic Strategies for Organic Synthesis. Chem Rev 2023; 123:5459-5520. [PMID: 37115521 PMCID: PMC10905417 DOI: 10.1021/acs.chemrev.2c00767] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/29/2023]
Abstract
Biocatalysis has revolutionized chemical synthesis, providing sustainable methods for preparing various organic molecules. In enzyme-mediated organic synthesis, most reactions involve molecules operating from their ground states. Over the past 25 years, there has been an increased interest in enzymatic processes that utilize electronically excited states accessed through photoexcitation. These photobiocatalytic processes involve a diverse array of reaction mechanisms that are complementary to one another. This comprehensive review will describe the state-of-the-art strategies in photobiocatalysis for organic synthesis until December 2022. Apart from reviewing the relevant literature, a central goal of this review is to delineate the mechanistic differences between the general strategies employed in the field. We will organize this review based on the relationship between the photochemical step and the enzymatic transformations. The review will include mechanistic studies, substrate scopes, and protein optimization strategies. By clearly defining mechanistically-distinct strategies in photobiocatalytic chemistry, we hope to illuminate future synthetic opportunities in the area.
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Affiliation(s)
- Megan A Emmanuel
- Department of Chemistry, Princeton University, Princeton, New Jersey 08544, United States
| | - Sophie G Bender
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
| | - Catherine Bilodeau
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
| | - Jose M Carceller
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
- Institute of Chemical Technology (ITQ), Universitat Politècnica de València, València 46022,Spain
| | - Jacob S DeHovitz
- Department of Chemistry, Princeton University, Princeton, New Jersey 08544, United States
| | - Haigen Fu
- Department of Chemistry, Princeton University, Princeton, New Jersey 08544, United States
| | - Yi Liu
- Department of Chemistry, Princeton University, Princeton, New Jersey 08544, United States
| | - Bryce T Nicholls
- Department of Chemistry, Princeton University, Princeton, New Jersey 08544, United States
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
| | - Yao Ouyang
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
| | - Claire G Page
- Department of Chemistry, Princeton University, Princeton, New Jersey 08544, United States
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
| | - Tianzhang Qiao
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
| | - Felix C Raps
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
| | - Damien R Sorigué
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
- Aix-Marseille University, CEA, CNRS, Institute of Biosciences and Biotechnologies, BIAM Cadarache, 13108 Saint-Paul-lez-Durance, France
| | - Shang-Zheng Sun
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
| | - Joshua Turek-Herman
- Department of Chemistry, Princeton University, Princeton, New Jersey 08544, United States
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
| | - Yuxuan Ye
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
| | - Ariadna Rivas-Souchet
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
| | - Jingzhe Cao
- Department of Chemistry, Princeton University, Princeton, New Jersey 08544, United States
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
| | - Todd K Hyster
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
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2
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Long C, He Y, Guan Z. Emerging Strategies for Asymmetric Synthesis: Combining Enzyme Promiscuity and Photo‐/Electro‐redox Catalysis. ASIAN J ORG CHEM 2023. [DOI: 10.1002/ajoc.202200685] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Affiliation(s)
- Chao‐Jiu Long
- Key Laboratory of Applied Chemistry of Chongqing Municipality, School of Chemistry and Chemical Engineering Southwest University Chongqing 400715 P. R. China
| | - Yan‐Hong He
- Key Laboratory of Applied Chemistry of Chongqing Municipality, School of Chemistry and Chemical Engineering Southwest University Chongqing 400715 P. R. China
| | - Zhi Guan
- Key Laboratory of Applied Chemistry of Chongqing Municipality, School of Chemistry and Chemical Engineering Southwest University Chongqing 400715 P. R. China
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3
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Kumar Roy T, Sreedharan R, Ghosh P, Gandhi T, Maiti D. Ene-Reductase: A Multifaceted Biocatalyst in Organic Synthesis. Chemistry 2022; 28:e202103949. [PMID: 35133702 DOI: 10.1002/chem.202103949] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Indexed: 12/13/2022]
Abstract
Biocatalysis integrate microbiologists, enzymologists, and organic chemists to access the repertoire of pharmaceutical and agrochemicals with high chemoselectivity, regioselectivity, and enantioselectivity. The saturation of carbon-carbon double bonds by biocatalysts challenges the conventional chemical methodology as it bypasses the use of precious metals (in combination with chiral ligands and molecular hydrogen) or organocatalysts. In this line, Ene-reductases (ERs) from the Old Yellow Enzymes (OYEs) family are found to be a prominent asymmetric biocatalyst that is increasingly used in academia and industries towards unparalleled stereoselective trans-hydrogenations of activated C=C bonds. ERs gained prominence as they were used as individual catalysts, multi-enzyme cascades, and in conjugation with chemical reagents (chemoenzymatic approach). Besides, ERs' participation in the photoelectrochemical and radical-mediated process helps to unlock many scopes outside traditional biocatalysis. These up-and-coming methodologies entice the enzymologists and chemists to explore, expand and harness the chemistries displayed by ERs for industrial settings. Herein, we reviewed the last five year's exploration of organic transformations using ERs.
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Affiliation(s)
- Triptesh Kumar Roy
- Department of Chemistry, Indian Institute of Science Education and Research (IISER) Tirupati, Tirupati, India
| | - Ramdas Sreedharan
- Department of Chemistry, School of Advanced Sciences, Vellore Institute of Technology, Vellore, 632014, Tamil Nadu, India
| | - Pintu Ghosh
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai, India
| | - Thirumanavelan Gandhi
- Department of Chemistry, School of Advanced Sciences, Vellore Institute of Technology, Vellore, 632014, Tamil Nadu, India
| | - Debabrata Maiti
- Chemistry Department and Interdisciplinary Program in Climate Studies, Indian Institute of Technology Bombay, Powai, Maharashtra 400076, India
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4
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Luján AP, Bhat MF, Saravanan T, Poelarends GJ. Chemo‐ and Enantioselective Photoenzymatic Ketone Reductions Using a Promiscuous Flavin‐dependent Nitroreductase. ChemCatChem 2022. [DOI: 10.1002/cctc.202200043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Alejandro Prats Luján
- University of Groningen: Rijksuniversiteit Groningen Chemical and Pharmaceutical Biology NETHERLANDS
| | - Mohammad Faizan Bhat
- University of Groningen: Rijksuniversiteit Groningen Chemical and Pharmaceutical Biology NETHERLANDS
| | - Thangavelu Saravanan
- University of Groningen: Rijksuniversiteit Groningen Chemical and Pharmaceutical Biology NETHERLANDS
| | - Gerrit J. Poelarends
- University of Groningen Chemical and Pharmaceutical Biology Antonius Deusinglaan 1 9713 AV Groningen NETHERLANDS
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5
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Winkler CK, Simić S, Jurkaš V, Bierbaumer S, Schmermund L, Poschenrieder S, Berger SA, Kulterer E, Kourist R, Kroutil W. Accelerated Reaction Engineering of Photo(bio)catalytic Reactions through Parallelization with an Open‐Source Photoreactor. CHEMPHOTOCHEM 2021. [DOI: 10.1002/cptc.202100109] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Christoph K. Winkler
- Institute of Chemistry NAWI Graz University of Graz Heinrichstraße 28 8010 Graz Austria
| | - Stefan Simić
- Institute of Chemistry NAWI Graz University of Graz Heinrichstraße 28 8010 Graz Austria
| | - Valentina Jurkaš
- Institute of Chemistry NAWI Graz University of Graz Heinrichstraße 28 8010 Graz Austria
| | - Sarah Bierbaumer
- Institute of Chemistry NAWI Graz University of Graz Heinrichstraße 28 8010 Graz Austria
| | - Luca Schmermund
- Institute of Chemistry NAWI Graz University of Graz Heinrichstraße 28 8010 Graz Austria
| | - Silvan Poschenrieder
- Institute of Chemistry NAWI Graz University of Graz Heinrichstraße 28 8010 Graz Austria
| | - Sarah A. Berger
- Institute of Chemistry NAWI Graz University of Graz Heinrichstraße 28 8010 Graz Austria
| | - Elisa Kulterer
- Institute of Chemistry NAWI Graz University of Graz Heinrichstraße 28 8010 Graz Austria
| | - Robert Kourist
- Institute of Molecular Biotechnology NAWI Graz Graz University of Technology Petersgasse 14 8010 Graz Austria
| | - Wolfgang Kroutil
- Institute of Chemistry NAWI Graz University of Graz Heinrichstraße 28 8010 Graz Austria
- BioTechMed Graz 8010 Graz Austria
- Field of Excellence BioHealth University of Graz 8010 Graz Austria
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Hollmann F, Opperman DJ, Paul CE. Biocatalytic Reduction Reactions from a Chemist's Perspective. Angew Chem Int Ed Engl 2021; 60:5644-5665. [PMID: 32330347 PMCID: PMC7983917 DOI: 10.1002/anie.202001876] [Citation(s) in RCA: 84] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Indexed: 11/09/2022]
Abstract
Reductions play a key role in organic synthesis, producing chiral products with new functionalities. Enzymes can catalyse such reactions with exquisite stereo-, regio- and chemoselectivity, leading the way to alternative shorter classical synthetic routes towards not only high-added-value compounds but also bulk chemicals. In this review we describe the synthetic state-of-the-art and potential of enzymes that catalyse reductions, ranging from carbonyl, enone and aromatic reductions to reductive aminations.
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Affiliation(s)
- Frank Hollmann
- Department of BiotechnologyDelft University of TechnologyVan der Maasweg 92629 HZDelftThe Netherlands
- Department of BiotechnologyUniversity of the Free State205 Nelson Mandela DriveBloemfontein9300South Africa
| | - Diederik J. Opperman
- Department of BiotechnologyUniversity of the Free State205 Nelson Mandela DriveBloemfontein9300South Africa
| | - Caroline E. Paul
- Department of BiotechnologyDelft University of TechnologyVan der Maasweg 92629 HZDelftThe Netherlands
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7
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Özgen FF, Runda ME, Schmidt S. Photo-biocatalytic Cascades: Combining Chemical and Enzymatic Transformations Fueled by Light. Chembiochem 2021; 22:790-806. [PMID: 32961020 PMCID: PMC7983893 DOI: 10.1002/cbic.202000587] [Citation(s) in RCA: 46] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Revised: 09/22/2020] [Indexed: 12/13/2022]
Abstract
In the field of green chemistry, light - an attractive natural agent - has received particular attention for driving biocatalytic reactions. Moreover, the implementation of light to drive (chemo)enzymatic cascade reactions opens up a golden window of opportunities. However, there are limitations to many current examples, mostly associated with incompatibility between the enzyme and the photocatalyst. Additionally, the formation of reactive radicals upon illumination and the loss of catalytic activities in the presence of required additives are common observations. As outlined in this review, the main question is how to overcome current challenges to the exploitation of light to drive (chemo)enzymatic transformations. First, we highlight general concepts in photo-biocatalysis, then give various examples of photo-chemoenzymatic (PCE) cascades, further summarize current synthetic examples of PCE cascades and discuss strategies to address the limitations.
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Affiliation(s)
- Fatma Feyza Özgen
- Groningen Research Institute of PharmacyDepartment of Chemical and Pharmaceutical BiologyAntonius Deusinglaan 19713 AVGroningen (TheNetherlands
| | - Michael E. Runda
- Groningen Research Institute of PharmacyDepartment of Chemical and Pharmaceutical BiologyAntonius Deusinglaan 19713 AVGroningen (TheNetherlands
| | - Sandy Schmidt
- Groningen Research Institute of PharmacyDepartment of Chemical and Pharmaceutical BiologyAntonius Deusinglaan 19713 AVGroningen (TheNetherlands
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8
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Tseliou V, Schilder D, Masman MF, Knaus T, Mutti FG. Generation of Oxidoreductases with Dual Alcohol Dehydrogenase and Amine Dehydrogenase Activity. Chemistry 2021; 27:3315-3325. [PMID: 33073866 PMCID: PMC7898336 DOI: 10.1002/chem.202003140] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 10/17/2020] [Indexed: 11/12/2022]
Abstract
The l-lysine-ϵ-dehydrogenase (LysEDH) from Geobacillus stearothermophilus naturally catalyzes the oxidative deamination of the ϵ-amino group of l-lysine. We previously engineered this enzyme to create amine dehydrogenase (AmDH) variants that possess a new hydrophobic cavity in their active site such that aromatic ketones can bind and be converted into α-chiral amines with excellent enantioselectivity. We also recently observed that LysEDH was capable of reducing aromatic aldehydes into primary alcohols. Herein, we harnessed the promiscuous alcohol dehydrogenase (ADH) activity of LysEDH to create new variants that exhibited enhanced catalytic activity for the reduction of substituted benzaldehydes and arylaliphatic aldehydes to primary alcohols. Notably, these novel engineered dehydrogenases also catalyzed the reductive amination of a variety of aldehydes and ketones with excellent enantioselectivity, thus exhibiting a dual AmDH/ADH activity. We envisioned that the catalytic bi-functionality of these enzymes could be applied for the direct conversion of alcohols into amines. As a proof-of-principle, we performed an unprecedented one-pot "hydrogen-borrowing" cascade to convert benzyl alcohol to benzylamine using a single enzyme. Conducting the same biocatalytic cascade in the presence of cofactor recycling enzymes (i.e., NADH-oxidase and formate dehydrogenase) increased the reaction yields. In summary, this work provides the first examples of enzymes showing "alcohol aminase" activity.
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Affiliation(s)
- Vasilis Tseliou
- Van't Hoff Institute for Molecular Sciences, HIMS-BiocatUniversity of AmsterdamScience Park 9041098 XHAmsterdamThe Netherlands
| | - Don Schilder
- Van't Hoff Institute for Molecular Sciences, HIMS-BiocatUniversity of AmsterdamScience Park 9041098 XHAmsterdamThe Netherlands
| | - Marcelo F. Masman
- Van't Hoff Institute for Molecular Sciences, HIMS-BiocatUniversity of AmsterdamScience Park 9041098 XHAmsterdamThe Netherlands
| | - Tanja Knaus
- Van't Hoff Institute for Molecular Sciences, HIMS-BiocatUniversity of AmsterdamScience Park 9041098 XHAmsterdamThe Netherlands
| | - Francesco G. Mutti
- Van't Hoff Institute for Molecular Sciences, HIMS-BiocatUniversity of AmsterdamScience Park 9041098 XHAmsterdamThe Netherlands
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9
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Wu S, Snajdrova R, Moore JC, Baldenius K, Bornscheuer UT. Biocatalysis: Enzymatic Synthesis for Industrial Applications. Angew Chem Int Ed Engl 2021; 60:88-119. [PMID: 32558088 PMCID: PMC7818486 DOI: 10.1002/anie.202006648] [Citation(s) in RCA: 499] [Impact Index Per Article: 166.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Indexed: 12/12/2022]
Abstract
Biocatalysis has found numerous applications in various fields as an alternative to chemical catalysis. The use of enzymes in organic synthesis, especially to make chiral compounds for pharmaceuticals as well for the flavors and fragrance industry, are the most prominent examples. In addition, biocatalysts are used on a large scale to make specialty and even bulk chemicals. This review intends to give illustrative examples in this field with a special focus on scalable chemical production using enzymes. It also discusses the opportunities and limitations of enzymatic syntheses using distinct examples and provides an outlook on emerging enzyme classes.
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Affiliation(s)
- Shuke Wu
- Institute of BiochemistryDept. of Biotechnology & Enzyme CatalysisGreifswald UniversityFelix-Hausdorff-Strasse 417487GreifswaldGermany
| | - Radka Snajdrova
- Novartis Institutes for BioMedical ResearchGlobal Discovery Chemistry4056BaselSwitzerland
| | - Jeffrey C. Moore
- Process Research and DevelopmentMerck & Co., Inc.126 E. Lincoln AveRahwayNJ07065USA
| | - Kai Baldenius
- Baldenius Biotech ConsultingHafenstr. 3168159MannheimGermany
| | - Uwe T. Bornscheuer
- Institute of BiochemistryDept. of Biotechnology & Enzyme CatalysisGreifswald UniversityFelix-Hausdorff-Strasse 417487GreifswaldGermany
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10
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Hollmann F, Opperman DJ, Paul CE. Biokatalytische Reduktionen aus der Sicht eines Chemikers. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202001876] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Frank Hollmann
- Department of Biotechnology Delft University of Technology Van der Maasweg 9 2629 HZ Delft Niederlande
- Department of Biotechnology University of the Free State 205 Nelson Mandela Drive Bloemfontein 9300 Südafrika
| | - Diederik J. Opperman
- Department of Biotechnology University of the Free State 205 Nelson Mandela Drive Bloemfontein 9300 Südafrika
| | - Caroline E. Paul
- Department of Biotechnology Delft University of Technology Van der Maasweg 9 2629 HZ Delft Niederlande
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11
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Wu S, Snajdrova R, Moore JC, Baldenius K, Bornscheuer UT. Biokatalyse: Enzymatische Synthese für industrielle Anwendungen. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202006648] [Citation(s) in RCA: 62] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Shuke Wu
- Institut für Biochemie Abt. Biotechnologie & Enzymkatalyse Universität Greifswald Felix-Hausdorff-Straße 4 17487 Greifswald Deutschland
| | - Radka Snajdrova
- Novartis Institutes for BioMedical Research Global Discovery Chemistry 4056 Basel Schweiz
| | - Jeffrey C. Moore
- Process Research and Development Merck & Co., Inc. 126 E. Lincoln Ave Rahway NJ 07065 USA
| | - Kai Baldenius
- Baldenius Biotech Consulting Hafenstraße 31 68159 Mannheim Deutschland
| | - Uwe T. Bornscheuer
- Institut für Biochemie Abt. Biotechnologie & Enzymkatalyse Universität Greifswald Felix-Hausdorff-Straße 4 17487 Greifswald Deutschland
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12
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Sharma S, Das J, Braje WM, Dash AK, Handa S. A Glimpse into Green Chemistry Practices in the Pharmaceutical Industry. CHEMSUSCHEM 2020; 13:2859-2875. [PMID: 32212245 DOI: 10.1002/cssc.202000317] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Revised: 03/23/2020] [Indexed: 06/10/2023]
Abstract
In this Minireview, the importance and implementation of green chemistry practices in the pharmaceutical industry are illustrated. With notable examples, some of the most important industrial organic transformations are discussed along with their applications in the synthesis of drug molecules. A brief comparison between traditional unsustainable methods and modern green methods is made to shed light on the economic and environmental benefits of greener methods. Finally, green chemistry practices in the pharmaceutical industries of India and China are also discussed.
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Affiliation(s)
- Sudripet Sharma
- Department of Chemistry, University of Louisville, 2320 S. Brook St., Louisville, KY, 40292, USA
| | - Jagattaran Das
- School of Pharmaceutical Sciences, Shoolini University, Solan, HP, India
- School of Pharmacy & Emerging Sciences, Baddi University of Emerging Sciences and Technologies, Baddi, HP, India
| | - Wilfried M Braje
- AbbVie (Deutschland) GmbH & Co. KG, Medicinal Chemistry, Neuroscience Discovery Research, Knollstrass, 67061, Ludwigshafen, Germany
| | - Ashutosh K Dash
- School of Pharmaceutical Sciences, Shoolini University, Solan, HP, India
| | - Sachin Handa
- Department of Chemistry, University of Louisville, 2320 S. Brook St., Louisville, KY, 40292, USA
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13
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Nakano Y, Black MJ, Meichan AJ, Sandoval BA, Chung MM, Biegasiewicz KF, Zhu T, Hyster TK. Photoenzymatic Hydrogenation of Heteroaromatic Olefins Using 'Ene'-Reductases with Photoredox Catalysts. Angew Chem Int Ed Engl 2020; 59:10484-10488. [PMID: 32181943 DOI: 10.1002/anie.202003125] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2020] [Indexed: 12/20/2022]
Abstract
Flavin-dependent 'ene'-reductases (EREDs) are highly selective catalysts for the asymmetric reduction of activated alkenes. This function is, however, limited to enones, enoates, and nitroalkenes using the native hydride transfer mechanism. Here we demonstrate that EREDs can reduce vinyl pyridines when irradiated with visible light in the presence of a photoredox catalyst. Experimental evidence suggests the reaction proceeds via a radical mechanism where the vinyl pyridine is reduced to the corresponding neutral benzylic radical in solution. DFT calculations reveal this radical to be "dynamically stable", suggesting it is sufficiently long-lived to diffuse into the enzyme active site for stereoselective hydrogen atom transfer. This reduction mechanism is distinct from the native one, highlighting the opportunity to expand the synthetic capabilities of existing enzyme platforms by exploiting new mechanistic models.
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Affiliation(s)
- Yuji Nakano
- Department of Chemistry, Princeton University, Princeton, NJ, 08544, USA.,Present address: Monash Institute of Pharmaceutical Science, Monash University, Parkville, Victoria, 3052, Australia
| | - Michael J Black
- Department of Chemistry, Princeton University, Princeton, NJ, 08544, USA
| | - Andrew J Meichan
- Department of Chemistry, Princeton University, Princeton, NJ, 08544, USA
| | | | - Megan M Chung
- Department of Chemistry, Princeton University, Princeton, NJ, 08544, USA
| | - Kyle F Biegasiewicz
- Department of Chemistry, Princeton University, Princeton, NJ, 08544, USA.,Present address: School of Molecular Sciences, Arizona State University, Tempe, AZ, 85287, USA
| | - Tianyu Zhu
- Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, CA, 91125, USA
| | - Todd K Hyster
- Department of Chemistry, Princeton University, Princeton, NJ, 08544, USA
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14
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Nakano Y, Black MJ, Meichan AJ, Sandoval BA, Chung MM, Biegasiewicz KF, Zhu T, Hyster TK. Photoenzymatic Hydrogenation of Heteroaromatic Olefins Using ‘Ene’‐Reductases with Photoredox Catalysts. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202003125] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Yuji Nakano
- Department of Chemistry Princeton University Princeton NJ 08544 USA
- Present address: Monash Institute of Pharmaceutical Science Monash University Parkville Victoria 3052 Australia
| | - Michael J. Black
- Department of Chemistry Princeton University Princeton NJ 08544 USA
| | | | | | - Megan M. Chung
- Department of Chemistry Princeton University Princeton NJ 08544 USA
| | - Kyle F. Biegasiewicz
- Department of Chemistry Princeton University Princeton NJ 08544 USA
- Present address: School of Molecular Sciences Arizona State University Tempe AZ 85287 USA
| | - Tianyu Zhu
- Division of Chemistry and Chemical Engineering California Institute of Technology Pasadena CA 91125 USA
| | - Todd K. Hyster
- Department of Chemistry Princeton University Princeton NJ 08544 USA
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15
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Betori RC, May CM, Scheidt KA. Combined Photoredox/Enzymatic C-H Benzylic Hydroxylations. Angew Chem Int Ed Engl 2019; 58:16490-16494. [PMID: 31465617 PMCID: PMC6829040 DOI: 10.1002/anie.201909426] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2019] [Indexed: 12/31/2022]
Abstract
Chemical transformations that install heteroatoms into C-H bonds are of significant interest because they streamline the construction of value-added small molecules. Direct C-H oxyfunctionalization, or the one step conversion of a C-H bond to a C-O bond, could be a highly enabling transformation due to the prevalence of the resulting enantioenriched alcohols in pharmaceuticals and natural products,. Here we report a single-flask photoredox/enzymatic process for direct C-H hydroxylation that proceeds with broad reactivity, chemoselectivity and enantioselectivity. This unified strategy advances general photoredox and enzymatic catalysis synergy and enables chemoenzymatic processes for powerful and selective oxidative transformations.
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Affiliation(s)
- Rick C Betori
- Department of Chemistry, Center for Molecular Innovation and Drug Discovery, Northwestern University, 2145 Sheridan Road, Evanston, IL, 60208, USA
| | - Catherine M May
- Department of Chemistry, Center for Molecular Innovation and Drug Discovery, Northwestern University, 2145 Sheridan Road, Evanston, IL, 60208, USA
| | - Karl A Scheidt
- Department of Chemistry, Center for Molecular Innovation and Drug Discovery, Northwestern University, 2145 Sheridan Road, Evanston, IL, 60208, USA
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16
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Betori RC, May CM, Scheidt KA. Combined Photoredox/Enzymatic C−H Benzylic Hydroxylations. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201909426] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Affiliation(s)
- Rick C. Betori
- Department of ChemistryCenter for Molecular Innovation and Drug DiscoveryNorthwestern University 2145 Sheridan Road Evanston IL 60208 USA
| | - Catherine M. May
- Department of ChemistryCenter for Molecular Innovation and Drug DiscoveryNorthwestern University 2145 Sheridan Road Evanston IL 60208 USA
| | - Karl A. Scheidt
- Department of ChemistryCenter for Molecular Innovation and Drug DiscoveryNorthwestern University 2145 Sheridan Road Evanston IL 60208 USA
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Xu J, Peng Y, Wang Z, Hu Y, Fan J, Zheng H, Lin X, Wu Q. Exploiting Cofactor Versatility to Convert a FAD‐Dependent Baeyer–Villiger Monooxygenase into a Ketoreductase. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201907606] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Jian Xu
- Department of Chemistry Zhejiang University Hangzhou 310027 China
| | - Yongzhen Peng
- Department of Chemistry Zhejiang University Hangzhou 310027 China
| | - Zhiguo Wang
- Institute of Aging Research School of Medicine Hangzhou Normal University Hangzhou 311121 China
| | - Yujing Hu
- Department of Chemistry Zhejiang University Hangzhou 310027 China
| | - Jiajie Fan
- Department of Chemistry Zhejiang University Hangzhou 310027 China
| | - He Zheng
- Department of Chemistry Zhejiang University Hangzhou 310027 China
| | - Xianfu Lin
- Department of Chemistry Zhejiang University Hangzhou 310027 China
| | - Qi Wu
- Department of Chemistry Zhejiang University Hangzhou 310027 China
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Xu J, Peng Y, Wang Z, Hu Y, Fan J, Zheng H, Lin X, Wu Q. Exploiting Cofactor Versatility to Convert a FAD-Dependent Baeyer-Villiger Monooxygenase into a Ketoreductase. Angew Chem Int Ed Engl 2019; 58:14499-14503. [PMID: 31423719 DOI: 10.1002/anie.201907606] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2019] [Revised: 07/24/2019] [Indexed: 12/21/2022]
Abstract
Cyclohexanone monooxygenases (CHMOs) show very high catalytic specificity for natural Baeyer-Villiger (BV) reactions and promiscuous reduction reactions have not been reported to date. Wild-type CHMO from Acinetobacter sp. NCIMB 9871 was found to possess an innate, promiscuous ability to reduce an aromatic α-keto ester, but with poor yield and stereoselectivity. Structure-guided, site-directed mutagenesis drastically improved the catalytic carbonyl-reduction activity (yield up to 99 %) and stereoselectivity (ee up to 99 %), thereby converting this CHMO into a ketoreductase, which can reduce a range of differently substituted aromatic α-keto esters. The improved, promiscuous reduction activity of the mutant enzyme in comparison to the wild-type enzyme results from a decrease in the distance between the carbonyl moiety of the substrate and the hydrogen atom on N5 of the reduced flavin adenine dinucleotide (FAD) cofactor, as confirmed using docking and molecular dynamics simulations.
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Affiliation(s)
- Jian Xu
- Department of Chemistry, Zhejiang University, Hangzhou, 310027, China
| | - Yongzhen Peng
- Department of Chemistry, Zhejiang University, Hangzhou, 310027, China
| | - Zhiguo Wang
- Institute of Aging Research, School of Medicine, Hangzhou Normal University, Hangzhou, 311121, China
| | - Yujing Hu
- Department of Chemistry, Zhejiang University, Hangzhou, 310027, China
| | - Jiajie Fan
- Department of Chemistry, Zhejiang University, Hangzhou, 310027, China
| | - He Zheng
- Department of Chemistry, Zhejiang University, Hangzhou, 310027, China
| | - Xianfu Lin
- Department of Chemistry, Zhejiang University, Hangzhou, 310027, China
| | - Qi Wu
- Department of Chemistry, Zhejiang University, Hangzhou, 310027, China
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