1
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Shahedi M, Omidi N, Habibi Z, Yousefi M, Brask J, Notash B, Mohammadi M. Biocatalytic stereoselective synthesis of pyrrolidine-2,3-diones containing all-carbon quaternary stereocenters. Org Biomol Chem 2023; 21:2742-2747. [PMID: 36916669 DOI: 10.1039/d2ob02294j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/11/2023]
Abstract
Highly functionalized pyrrolidine-2,3-diones can be synthesized efficiently and stereoselectively under mild conditions using a biocatalytic approach. The reaction led to the formation of new all-carbon quaternary stereocenters from Myceliophthora thermophila laccase (Novozym 51003) catalyzed oxidation of catechols to ortho-quinones and subsequent 1,4-addition with 3-hydroxy-1,5-dihydro-2H-pyrrol-2-ones. The reaction was conducted with various substituents on both reactants, resulting in 13 products in moderate to good yields (42-91%). The same 15 reactions were also tested with K3Fe(CN)6 as a catalyst, but here only one reaction resulted in a product (60% yield).
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Affiliation(s)
- Mansour Shahedi
- Department of Organic Chemistry, Shahid Beheshti University, 1983969411 Tehran, Iran.
| | - Niloofar Omidi
- Department of Organic Chemistry, Shahid Beheshti University, 1983969411 Tehran, Iran.
| | - Zohreh Habibi
- Department of Organic Chemistry, Shahid Beheshti University, 1983969411 Tehran, Iran.
| | - Maryam Yousefi
- Nanobiotechnology Research Center, Avicenna Research Institute, ACECR, Tehran, Iran.
| | - Jesper Brask
- Novozymes A/S, Krogshøjvej 36, 2880 Bagsværd, Copenhagen, Denmark
| | - Behrouz Notash
- Department of Inorganic Chemistry, Shahid Beheshti University, 1983969411 Tehran, Iran
| | - Mehdi Mohammadi
- Bioprocess Engineering Department, Institute of Industrial and Environmental Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran
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2
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Sugawara M, Sawamura M, Akakabe M, Ramadoss B, Sohtome Y, Sodeoka M. Pd-catalyzed Aerobic Cross-Dehydrogenative Coupling of Catechols with 2-Oxindoles and Benzofuranones: Reactivity Difference Between Monomer and Dimer. Chem Asian J 2022; 17:e202200807. [PMID: 36062560 PMCID: PMC9825984 DOI: 10.1002/asia.202200807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 09/05/2022] [Indexed: 01/11/2023]
Abstract
Persistent radicals, which are generated from 2-oxindole or benzofuranone dimers, are useful tools for designing the radical-based cross-coupling reaction to provide molecules containing a quaternary carbon. The persistent radical is accessible from both the dimer and monomer; however, the reactivity difference between these substrates for the oxidative cross-coupling reaction is not fully understood, most likely because of the mechanistic complexity. Here, we present details of an aerobic cross-dehydrogenative coupling (CDC) reaction using various monomers and catechols. UV-Vis analysis and mechanistic control experiments showed that the monomer is less reactive than the dimer under aerobic conditions. Our Pd(II)-BINAP-μ-hydroxo complex significantly improved the reactivity of the monomers for the aerobic CDC reaction with catechols, yielding results comparable to those of the corresponding dimer. The procedure, which enables the generation of the persistent radical in situ, is particularly useful when employing the monomer that is not readily converted to the corresponding dimer.
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Affiliation(s)
- Masumi Sugawara
- Synthetic Organic Chemistry LaboratoryRIKEN Cluster for Pioneering Research2-1 HirosawaWakoSaitamaJapan
| | - Miki Sawamura
- Synthetic Organic Chemistry LaboratoryRIKEN Cluster for Pioneering Research2-1 HirosawaWakoSaitamaJapan,Tokyo Medical and Dental UniversityTokyo113-8510Japan
| | - Mai Akakabe
- Synthetic Organic Chemistry LaboratoryRIKEN Cluster for Pioneering Research2-1 HirosawaWakoSaitamaJapan,Catalysis and Integrated Research Group RIKEN Center for Sustainable Resource Science
| | - Boobalan Ramadoss
- Catalysis and Integrated Research Group RIKEN Center for Sustainable Resource Science
| | - Yoshihiro Sohtome
- Synthetic Organic Chemistry LaboratoryRIKEN Cluster for Pioneering Research2-1 HirosawaWakoSaitamaJapan,Catalysis and Integrated Research Group RIKEN Center for Sustainable Resource Science
| | - Mikiko Sodeoka
- Synthetic Organic Chemistry LaboratoryRIKEN Cluster for Pioneering Research2-1 HirosawaWakoSaitamaJapan,Catalysis and Integrated Research Group RIKEN Center for Sustainable Resource Science,Tokyo Medical and Dental UniversityTokyo113-8510Japan
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3
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Mintz T, More NY, Gaster E, Pappo D. Iron-Catalyzed Oxidative Cross-Coupling of Phenols and Tyrosine Derivatives with 3-Alkyloxindoles. J Org Chem 2021; 86:18164-18178. [PMID: 34881564 DOI: 10.1021/acs.joc.1c02435] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
In this study, a novel iron-catalyzed oxidative cross-coupling reaction between phenols and 3-alkyloxindole derivatives is reported. The efficient method, which is based on the FeCl3 catalyst and the t-BuOOt-Bu oxidant in 1,2-dichloroethane at 70 °C, affords 3-alkyl-3-(hydroxyaryl)oxindole compounds with a high degree of selectivity. The generality of the conditions was proven by reacting various substituted phenols, naphthols, and tyrosine derivatives with 3-alkyloxindoles. To apply the chemistry for the conjugation of tyrosine-containing short peptides with oxindolylalanine (Oia) derivatives, the reaction conditions were modified [Fe(O2CCF3)3 catalyst, t-BuOOt-Bu, HFIP, 70 °C], and amino acids with acid-stable N-protecting groups were used.
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Affiliation(s)
- Tomer Mintz
- Department of Chemistry, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel
| | - Nagnath Yadav More
- Department of Chemistry, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel
| | - Eden Gaster
- Department of Chemistry, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel
| | - Doron Pappo
- Department of Chemistry, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel
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4
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Basnet P, Sebold MB, Hendrick CE, Kozlowski MC. Copper Catalyzed Oxidative Arylation of Tertiary Carbon Centers. Org Lett 2020; 22:9524-9528. [PMID: 33263410 DOI: 10.1021/acs.orglett.0c03581] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
We describe herein a Cu(OTf)2 catalyzed oxidative arylation of a tertiary carbon-containing substrate including aryl malononitriles, 3-aryl benzofuran-2-ones, and 3-aryl oxindoles. In some cases, the nitrile groups of the aryl malononitriles undergo further reactions leading to lactones or imines. These reaction conditions are applicable for a range of arenes, including phenols, anilines, anisoles, and heteroarenes. Mechanistic studies support the formation of a cationic intermediate via a two-electron oxidation.
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Affiliation(s)
- Prakash Basnet
- Department of Chemistry, Roy and Diana Vagelos Laboratories, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, United States
| | - Melissa B Sebold
- Department of Chemistry, Roy and Diana Vagelos Laboratories, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, United States
| | - Charles E Hendrick
- Department of Chemistry, Roy and Diana Vagelos Laboratories, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, United States
| | - Marisa C Kozlowski
- Department of Chemistry, Roy and Diana Vagelos Laboratories, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, United States
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5
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Sugawara M, Ohnishi R, Ezawa T, Akakabe M, Sawamura M, Hojo D, Hashizume D, Sohtome Y, Sodeoka M. Regiodivergent Oxidative Cross-Coupling of Catechols with Persistent tert-Carbon Radicals. ACS Catal 2020. [DOI: 10.1021/acscatal.0c03986] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Masumi Sugawara
- Synthetic Organic Chemistry Laboratory, RIKEN Cluster for Pioneering Research, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - Rikako Ohnishi
- Synthetic Organic Chemistry Laboratory, RIKEN Cluster for Pioneering Research, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
- Graduate School of Science and Engineering, Saitama University, 255 Shimo-okubo, Sakura-ku, Saitama 338-8570, Japan
| | - Tetsuya Ezawa
- RIKEN Center for Sustainable Resource Science, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - Mai Akakabe
- Synthetic Organic Chemistry Laboratory, RIKEN Cluster for Pioneering Research, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - Miki Sawamura
- Synthetic Organic Chemistry Laboratory, RIKEN Cluster for Pioneering Research, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - Daiki Hojo
- RIKEN Center for Sustainable Resource Science, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - Daisuke Hashizume
- RIKEN Center for Emergent Matter Science, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - Yoshihiro Sohtome
- Synthetic Organic Chemistry Laboratory, RIKEN Cluster for Pioneering Research, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
- RIKEN Center for Sustainable Resource Science, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - Mikiko Sodeoka
- Synthetic Organic Chemistry Laboratory, RIKEN Cluster for Pioneering Research, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
- RIKEN Center for Sustainable Resource Science, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
- Graduate School of Science and Engineering, Saitama University, 255 Shimo-okubo, Sakura-ku, Saitama 338-8570, Japan
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6
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Wu H, Qiu C, Zhang Z, Zhang B, Zhang S, Xu Y, Zhou H, Su C, Loh KP. Graphene‐Oxide‐Catalyzed Cross‐Dehydrogenative Coupling of Oxindoles with Arenes and Thiophenols. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201901224] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Hongru Wu
- International Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology of Ministry of Education, Engineering Technology Research Center for 2D Materials Information Functional Devices and Systems of Guangdong Province, Institute of Microscale OptoeletronicsShenzhen University Shenzhen 518060 People's Republic of China E-mail addresses
| | - Chuntian Qiu
- International Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology of Ministry of Education, Engineering Technology Research Center for 2D Materials Information Functional Devices and Systems of Guangdong Province, Institute of Microscale OptoeletronicsShenzhen University Shenzhen 518060 People's Republic of China E-mail addresses
| | - Zhaofei Zhang
- International Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology of Ministry of Education, Engineering Technology Research Center for 2D Materials Information Functional Devices and Systems of Guangdong Province, Institute of Microscale OptoeletronicsShenzhen University Shenzhen 518060 People's Republic of China E-mail addresses
| | - Bing Zhang
- International Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology of Ministry of Education, Engineering Technology Research Center for 2D Materials Information Functional Devices and Systems of Guangdong Province, Institute of Microscale OptoeletronicsShenzhen University Shenzhen 518060 People's Republic of China E-mail addresses
| | - Shaolong Zhang
- International Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology of Ministry of Education, Engineering Technology Research Center for 2D Materials Information Functional Devices and Systems of Guangdong Province, Institute of Microscale OptoeletronicsShenzhen University Shenzhen 518060 People's Republic of China E-mail addresses
- Department of Chemistry, Department of ChemistryNational University of Singapore 3 Science Drive 3 Singapore 117543 Singapore
| | - Yangsen Xu
- International Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology of Ministry of Education, Engineering Technology Research Center for 2D Materials Information Functional Devices and Systems of Guangdong Province, Institute of Microscale OptoeletronicsShenzhen University Shenzhen 518060 People's Republic of China E-mail addresses
| | - Hongwei Zhou
- College of Biological, Chemical Science and EngineeringJiaxing University 118 Jiahang Road Jiaxing 314001 People's Republic of China
| | - Chenliang Su
- International Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology of Ministry of Education, Engineering Technology Research Center for 2D Materials Information Functional Devices and Systems of Guangdong Province, Institute of Microscale OptoeletronicsShenzhen University Shenzhen 518060 People's Republic of China E-mail addresses
| | - Kian Ping Loh
- Department of Chemistry, Department of ChemistryNational University of Singapore 3 Science Drive 3 Singapore 117543 Singapore
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7
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Dick M, Sarai NS, Martynowycz MW, Gonen T, Arnold FH. Tailoring Tryptophan Synthase TrpB for Selective Quaternary Carbon Bond Formation. J Am Chem Soc 2019; 141:19817-19822. [PMID: 31747522 PMCID: PMC6939453 DOI: 10.1021/jacs.9b09864] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
We previously engineered the β-subunit of tryptophan synthase (TrpB), which catalyzes the condensation of l-serine and indole to l-tryptophan, to synthesize a range of noncanonical amino acids from l-serine and indole derivatives or other nucleophiles. Here we employ directed evolution to engineer TrpB to accept 3-substituted oxindoles and form C-C bonds leading to new quaternary stereocenters. Initially, the variants that could use 3-substituted oxindoles preferentially formed N-C bonds on N1 of the substrate. Protecting N1 encouraged evolution toward C-alkylation, which persisted when protection was removed. Six generations of directed evolution resulted in TrpB Pfquat with a 400-fold improvement in activity for alkylation of 3-substituted oxindoles and the ability to selectively form a new, all-carbon quaternary stereocenter at the γ-position of the amino acid products. The enzyme can also alkylate and form all-carbon quaternary stereocenters on structurally similar lactones and ketones, where it exhibits excellent regioselectivity for the tertiary carbon. The configurations of the γ-stereocenters of two of the products were determined via microcrystal electron diffraction (MicroED), and we report the MicroED structure of a small molecule obtained using the Falcon III direct electron detector. Highly thermostable and expressed at >500 mg/L E. coli culture, TrpB Pfquat offers an efficient, sustainable, and selective platform for the construction of diverse noncanonical amino acids bearing all-carbon quaternary stereocenters.
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Affiliation(s)
- Markus Dick
- Division of Chemistry and Chemical Engineering 210-41, California Institute of Technology, 1200 East California Boulevard, Pasadena, California 91125, United States
| | - Nicholas S. Sarai
- Division of Chemistry and Chemical Engineering 210-41, California Institute of Technology, 1200 East California Boulevard, Pasadena, California 91125, United States
| | - Michael W. Martynowycz
- Howard Hughes Medical Institute, David Geffen School of Medicine, Departments of Biological Chemistry and Physiology, University of California, Los Angeles, Los Angeles, California 90095, United States
| | - Tamir Gonen
- Howard Hughes Medical Institute, David Geffen School of Medicine, Departments of Biological Chemistry and Physiology, University of California, Los Angeles, Los Angeles, California 90095, United States
| | - Frances H. Arnold
- Division of Chemistry and Chemical Engineering 210-41, California Institute of Technology, 1200 East California Boulevard, Pasadena, California 91125, United States
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8
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Huang CY, Kang H, Li J, Li CJ. En Route to Intermolecular Cross-Dehydrogenative Coupling Reactions. J Org Chem 2019; 84:12705-12721. [DOI: 10.1021/acs.joc.9b01704] [Citation(s) in RCA: 143] [Impact Index Per Article: 28.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Chia-Yu Huang
- Department of Chemistry and FRQNT Centre for Green Chemistry and Catalysis, McGill University, 801 Sherbrooke Street W, Montreal, Quebec H3A 0B8, Canada
| | - Hyotaik Kang
- Department of Chemistry and FRQNT Centre for Green Chemistry and Catalysis, McGill University, 801 Sherbrooke Street W, Montreal, Quebec H3A 0B8, Canada
| | - Jianbin Li
- Department of Chemistry and FRQNT Centre for Green Chemistry and Catalysis, McGill University, 801 Sherbrooke Street W, Montreal, Quebec H3A 0B8, Canada
| | - Chao-Jun Li
- Department of Chemistry and FRQNT Centre for Green Chemistry and Catalysis, McGill University, 801 Sherbrooke Street W, Montreal, Quebec H3A 0B8, Canada
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9
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Brüning F, Katayev D, Togni A. Facile and Efficient Synthesis of 3-Pyrimidinyl Oxindoles by Phase-Transfer-Catalyzed Regioselective Nucleophilic Aromatic Substitution. European J Org Chem 2018. [DOI: 10.1002/ejoc.201800587] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Fabian Brüning
- Department of Chemistry and Applied Biosciences; Swiss Federal Institute of Technology; ETH Zurich; Vladimir-Prelog-Weg 2 8093 Zurich Switzerland
| | - Dmitry Katayev
- Department of Chemistry and Applied Biosciences; Swiss Federal Institute of Technology; ETH Zurich; Vladimir-Prelog-Weg 2 8093 Zurich Switzerland
| | - Antonio Togni
- Department of Chemistry and Applied Biosciences; Swiss Federal Institute of Technology; ETH Zurich; Vladimir-Prelog-Weg 2 8093 Zurich Switzerland
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10
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Krug R, Schröder D, Gebauer J, Suljić S, Morimoto Y, Fujieda N, Itoh S, Pietruszka J. Tyrosinases in Organic Chemistry: A Versatile Tool for the α-Arylation of β-Dicarbonyl Compounds. European J Org Chem 2018. [DOI: 10.1002/ejoc.201800188] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Roxanne Krug
- Institut für Bioorganische Chemie; Heinrich-Heine Universität Düsseldorf located at the Forschungszentrum Jülich; 52425 Jülich Germany
| | - Dennis Schröder
- Institut für Bio- und Geowissenschaften (IBG-1: Biotechnologie); Forschungszentrum Jülich; 52425 Jülich Germany
| | - Jan Gebauer
- Department of Material and Life Science; Division of Advanced Science and Biotechnology; Osaka University; 2-1 Yamada-oka 565-0871 Suita Osaka Japan
| | - Sanel Suljić
- Institut für Bioorganische Chemie; Heinrich-Heine Universität Düsseldorf located at the Forschungszentrum Jülich; 52425 Jülich Germany
| | - Yuma Morimoto
- Department of Material and Life Science; Division of Advanced Science and Biotechnology; Osaka University; 2-1 Yamada-oka 565-0871 Suita Osaka Japan
| | - Nobutaka Fujieda
- Department of Material and Life Science; Division of Advanced Science and Biotechnology; Osaka University; 2-1 Yamada-oka 565-0871 Suita Osaka Japan
| | - Shinobu Itoh
- Department of Material and Life Science; Division of Advanced Science and Biotechnology; Osaka University; 2-1 Yamada-oka 565-0871 Suita Osaka Japan
| | - Jörg Pietruszka
- Institut für Bioorganische Chemie; Heinrich-Heine Universität Düsseldorf located at the Forschungszentrum Jülich; 52425 Jülich Germany
- Institut für Bio- und Geowissenschaften (IBG-1: Biotechnologie); Forschungszentrum Jülich; 52425 Jülich Germany
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11
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Sousa AC, Conceição Oliveira M, Martins LO, Robalo MP. A Sustainable Synthesis of Asymmetric Phenazines and Phenoxazinones Mediated by CotA-Laccase. Adv Synth Catal 2017. [DOI: 10.1002/adsc.201701228] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Ana Catarina Sousa
- Área Departamental de Engenharia Química, ISEL - Instituto Superior de Engenharia de Lisboa; Instituto Politécnico de Lisboa; R. Conselheiro Emídio Navarro, 1 1959-007 Lisboa Portugal
- Centro de Química Estrutural, Complexo I; Instituto Superior Técnico; Universidade de Lisboa; Av. Rovisco Pais 1049-001 Lisboa Portugal
| | - M. Conceição Oliveira
- Centro de Química Estrutural, Complexo I; Instituto Superior Técnico; Universidade de Lisboa; Av. Rovisco Pais 1049-001 Lisboa Portugal
| | - Lígia O. Martins
- Instituto de Tecnologia Química e Biológica António Xavier; Universidade Nova de Lisboa; Av da República 2780-157 Oeiras Portugal
| | - M. Paula Robalo
- Área Departamental de Engenharia Química, ISEL - Instituto Superior de Engenharia de Lisboa; Instituto Politécnico de Lisboa; R. Conselheiro Emídio Navarro, 1 1959-007 Lisboa Portugal
- Centro de Química Estrutural, Complexo I; Instituto Superior Técnico; Universidade de Lisboa; Av. Rovisco Pais 1049-001 Lisboa Portugal
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12
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Abdel-Mohsen HT, Conrad J, Harms K, Nohr D, Beifuss U. Laccase-catalyzed green synthesis and cytotoxic activity of novel pyrimidobenzothiazoles and catechol thioethers. RSC Adv 2017. [DOI: 10.1039/c6ra28102h] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Laccase-catalyzed green reaction between catechols and 2-thioxopyrimidin-4-ones delivers novel pyrimidobenzothiazoles and catechol thioethers with antiproliferative activities against HepG2 cell line.
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Affiliation(s)
- H. T. Abdel-Mohsen
- Chemistry of Natural and Microbial Products Department
- Pharmaceutical Industries Research Division
- National Research Centre
- Cairo
- Egypt
| | - J. Conrad
- Bioorganische Chemie
- Institut für Chemie
- Universität Hohenheim
- Stuttgart
- Germany
| | - K. Harms
- Fachbereich Chemie
- Universität Marburg
- D-35032 Marburg
- Germany
| | - D. Nohr
- Institut für Biologische Chemie und Ernährungswissenschaft
- Universität Hohenheim
- Stuttgart
- Germany
| | - U. Beifuss
- Bioorganische Chemie
- Institut für Chemie
- Universität Hohenheim
- Stuttgart
- Germany
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13
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Qwebani-Ogunleye T, Kolesnikova NI, Steenkamp P, de Koning CB, Brady D, Wellington KW. A one-pot laccase-catalysed synthesis of coumestan derivatives and their anticancer activity. Bioorg Med Chem 2016; 25:1172-1182. [PMID: 28041801 DOI: 10.1016/j.bmc.2016.12.025] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2016] [Revised: 12/15/2016] [Accepted: 12/19/2016] [Indexed: 11/25/2022]
Abstract
Suberase®, a commercial laccase from Novozymes, was used to catalyse the synthesis of coumestans. The yields, in some cases, were similar to or better than that obtained by other enzymatic, chemical or electrochemical syntheses. The compounds were screened against renal TK10, melanoma UACC62 and breast MCF7 cancer cell-lines and the GI50, TGI and LC50 values determined. Anticancer screening showed that the cytostatic effects of the coumestans were most effective against the melanoma UACC62 and breast MCF7 cancer cell-lines exhibiting potent activities, GI50=5.35 and 7.96μM respectively. Moderate activity was obtained against the renal TK10 cancer cell-line. The total growth inhibition, based on the TGI values, of several of the compounds was better than that of etoposide against the melanoma UACC62 and the breast MCF7 cancer cell lines. Several compounds, based on the LC50 values, were also more lethal than etoposide against the same cancer cell lines. The SAR for the coumestans is similar against the melanoma UACC62 and breast MCF7 cell lines. The compound having potent activity against both breast MCF7 and melanoma UACC62 cell lines has a methyl group on the benzene ring (ring A) as well as on the catechol ring (ring B). Anticancer activity decreases when methoxy and halogen substituents are inserted on rings A and B.
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Affiliation(s)
| | | | - Paul Steenkamp
- CSIR Biosciences, PO Box 395, Pretoria, South Africa; Department of Biochemistry, University of Johannesburg, PO Box 524, Auckland Park 2006, South Africa
| | - Charles B de Koning
- Molecular Sciences Institute, School of Chemistry, University of the Witwatersrand, PO Box, Wits 2050, South Africa
| | - Dean Brady
- Molecular Sciences Institute, School of Chemistry, University of the Witwatersrand, PO Box, Wits 2050, South Africa
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14
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Wu HR, Huang HY, Ren CL, Liu L, Wang D, Li CJ. FeIII-Catalyzed Cross-Dehydrogenative Arylation (CDA) between Oxindoles and Arenes under an Air Atmosphere. Chemistry 2015; 21:16744-8. [DOI: 10.1002/chem.201502519] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2015] [Indexed: 12/24/2022]
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15
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Suljić S, Pietruszka J, Worgull D. Asymmetric Bio- and Organocatalytic Cascade Reaction - Laccase and Secondary Amine-Catalyzed α-Arylation of Aldehydes. Adv Synth Catal 2015. [DOI: 10.1002/adsc.201500183] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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16
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Cannatelli MD, Ragauskas AJ. Laccase-catalyzed α-arylation of benzoylacetonitrile with substituted hydroquinones. Chem Eng Res Des 2015. [DOI: 10.1016/j.cherd.2014.08.021] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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17
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Suljić S, Mortzfeld FB, Gunne M, Urlacher VB, Pietruszka J. Enhanced Biocatalytic Performance of Bacterial Laccase fromStreptomyces sviceus: Application in the Michael Addition Sequence Towards 3-Arylated 4-Oxochromanes. ChemCatChem 2015. [DOI: 10.1002/cctc.201500142] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
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18
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Shirakawa S, Koga K, Tokuda T, Yamamoto K, Maruoka K. Catalytic Asymmetric Synthesis of 3,3′-Diaryloxindoles as Triarylmethanes with a Chiral All-Carbon Quaternary Center: Phase-Transfer-Catalyzed SNAr Reaction. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201403046] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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Shirakawa S, Koga K, Tokuda T, Yamamoto K, Maruoka K. Catalytic Asymmetric Synthesis of 3,3′-Diaryloxindoles as Triarylmethanes with a Chiral All-Carbon Quaternary Center: Phase-Transfer-Catalyzed SNAr Reaction. Angew Chem Int Ed Engl 2014; 53:6220-3. [DOI: 10.1002/anie.201403046] [Citation(s) in RCA: 84] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2014] [Revised: 03/28/2014] [Indexed: 12/30/2022]
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Suljić S, Pietruszka J. Synthesis of 3-Arylated 3,4-Dihydrocoumarins: Combining Continuous Flow Hydrogenation with Laccase-Catalysed Oxidation. Adv Synth Catal 2014. [DOI: 10.1002/adsc.201300990] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Zhang Y, Hu X, Li S, Liao Y, Yuan W, Zhang X. Organocatalytic enantioselective tandem Michael addition-oxidation of 3-substituted oxindoles with 1,4-benzoquinone. Tetrahedron 2014. [DOI: 10.1016/j.tet.2014.01.067] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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Mogharabi M, Faramarzi MA. Laccase and Laccase-Mediated Systems in the Synthesis of Organic Compounds. Adv Synth Catal 2014. [DOI: 10.1002/adsc.201300960] [Citation(s) in RCA: 183] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2022]
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Abdel-Mohsen HT, Conrad J, Beifuss U. Laccase-Catalyzed Domino Reaction between Catechols and 6-Substituted 1,2,3,4-Tetrahydro-4-oxo-2-thioxo-5-pyrimidinecarbonitriles for the Synthesis of Pyrimidobenzothiazole Derivatives. J Org Chem 2013; 78:7986-8003. [DOI: 10.1021/jo401193e] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Heba T. Abdel-Mohsen
- Bioorganische Chemie, Institut für
Chemie, Universität Hohenheim, Garbenstrasse
30, D-70599 Stuttgart, Germany
| | - Jürgen Conrad
- Bioorganische Chemie, Institut für
Chemie, Universität Hohenheim, Garbenstrasse
30, D-70599 Stuttgart, Germany
| | - Uwe Beifuss
- Bioorganische Chemie, Institut für
Chemie, Universität Hohenheim, Garbenstrasse
30, D-70599 Stuttgart, Germany
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Emirdağ-Öztürk S, Hajdok S, Conrad J, Beifuss U. Laccase-catalyzed reaction of 3-tert-butyl-1H-pyrazol-5(4H)-one with substituted catechols using air as an oxidant. Tetrahedron 2013. [DOI: 10.1016/j.tet.2013.03.023] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Classen T, Pietruszka J, Schuback SM. A new multicopper oxidase from Gram-positive bacterium Rhodococcus erythropolis with activity modulating methionine rich tail. Protein Expr Purif 2013; 89:97-108. [PMID: 23485678 DOI: 10.1016/j.pep.2013.02.003] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2012] [Revised: 02/06/2013] [Accepted: 02/08/2013] [Indexed: 11/17/2022]
Abstract
Multicopper oxidases are involved in a wide variety of physiological tasks in nature. They are part of the lignin formation/decomposition system in plants and fungi. In bacteria they are part of developmental processes and the heavy metal resistance apparatus. A well characterised example is the copper tolerance protein CueO of Escherichia coli (CueO(EC)). Here, we report the heterologous expression of the apo- and holo-form of CueO(RE), a homologue to CueO(EC) from Rhodococcus erythropolis. Upon incubation with copper(II) ions, low active apo-CueO(RE) was converted into the active holo-CueO(RE) in vivo. The holo-form was physico-chemically characterised using a copper(I) BCA complex and the model substrate 2,6-dimethoxyphenol. The spectroscopic and catalytic properties are different from CueO(EC), revealing a high catalytic efficiency (k(cat)/K(m)) of 115 min(-1)mM(-1) with physiological K(m) of 80 μM for the cuprous oxidase activity. At the C-terminus of CueO(RE) a methionine rich tail region was identified which can be found in a variety of actinobacteria. Chimeras of the E. coli and R. erythropolis enzymes were constructed to investigate the influence of this tail regarding kinetic parameters. It was shown that the tail did not have the same function as the corresponding methionine rich loop in CueO(EC). However, it modulated the kinetic properties of the enzyme.
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Affiliation(s)
- Thomas Classen
- Insitut für Bioorganische Chemie, Heinrich-Heine-Universität Düsseldorf im Forschungszentrum Jülich, D-52426 Jülich, Germany
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Asta C, Schmidt D, Conrad J, Förster-Fromme B, Tolasch T, Beifuss U. The first enzymatic Achmatowicz reaction: selective laccase-catalyzed synthesis of 6-hydroxy-(2H)-pyran-3(6H)-ones and (2H)-pyran-2,5(6H)-diones. RSC Adv 2013. [DOI: 10.1039/c3ra44107e] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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