1
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Motokura K, Sato R, Ozawa N, Manaka Y. Transition-metal-free reaction sequence on solid base: One-pot synthesis of quinoline derivatives catalyzed by Mg-Al hydrotalcite. MOLECULAR CATALYSIS 2022. [DOI: 10.1016/j.mcat.2022.112419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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2
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Lian P, Li R, Wan X, Xiang Z, Liu H, Cao Z, Wan X. Acetylation of alcohols and amines under visible light irradiation: diacetyl as an acylation reagent and photosensitizer. Org Chem Front 2022. [DOI: 10.1039/d1qo01613j] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
An unprecedented strategy for the acetylation of alcohols and amines using diacetyl as both an acylation reagent and a photosensitizer was well developed.
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Affiliation(s)
- Pengcheng Lian
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Ruyi Li
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Xiao Wan
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Zixin Xiang
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Hang Liu
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Zhiyu Cao
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Xiaobing Wan
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
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3
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Reina A, Dang-Bao T, Guerrero-Ríos I, Gómez M. Palladium and Copper: Advantageous Nanocatalysts for Multi-Step Transformations. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:1891. [PMID: 34443727 PMCID: PMC8401531 DOI: 10.3390/nano11081891] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Revised: 07/16/2021] [Accepted: 07/19/2021] [Indexed: 12/13/2022]
Abstract
Metal nanoparticles have been deeply studied in the last few decades due to their attractive physical and chemical properties, finding a wide range of applications in several fields. Among them, well-defined nano-structures can combine the main advantages of heterogeneous and homogeneous catalysts. Especially, catalyzed multi-step processes for the production of added-value chemicals represent straightforward synthetic methodologies, including tandem and sequential reactions that avoid the purification of intermediate compounds. In particular, palladium- and copper-based nanocatalysts are often applied, becoming a current strategy in the sustainable synthesis of fine chemicals. The rational tailoring of nanosized materials involving both those immobilized on solid supports and liquid phases and their applications in organic synthesis are herein reviewed.
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Affiliation(s)
- Antonio Reina
- Departamento de Química Inorgánica y Nuclear, Facultad de Química, Universidad Nacional Autónoma de México, Ciudad de México 04510, Mexico;
| | - Trung Dang-Bao
- Faculty of Chemical Engineering, Ho Chi Minh City University of Technology (HCMUT), 268 Ly Thuong Kiet Street, District 10, Ho Chi Minh City 700000, Vietnam
- Vietnam National University—Ho Chi Minh City (VNU—HCM), Ho Chi Minh City 700000, Vietnam
| | - Itzel Guerrero-Ríos
- Departamento de Química Inorgánica y Nuclear, Facultad de Química, Universidad Nacional Autónoma de México, Ciudad de México 04510, Mexico;
| | - Montserrat Gómez
- Laboratoire Hétérochimie Fondamentale et Appliquée, Université Toulouse 3—Paul Sabatier, UMR CNRS 5069, 118 Route de Narbonne, CEDEX 9, 31062 Toulouse, France;
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4
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Motokura K, Ozawa N, Sato R, Manaka Y, Chun W. Porous FeO(OH) Dispersed on Mg‐Al Hydrotalcite Surface for One‐Pot Synthesis of Quinoline Derivatives. ChemCatChem 2021. [DOI: 10.1002/cctc.202100338] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Ken Motokura
- Department of Chemical Science and Engineering School of Materials and Chemical Technology Tokyo Institute of Technology 4259 Nagatsuta-cho, Midori-ku Yokohama 226-8502 Japan
- PRESTO, Japan Science and Technology Agency (JST) 4-1-8 Honcho, Kawaguchi Saitama 332-0012 Japan
- Present address: Department of Chemistry and Life Science Yokohama National University 79-5 Tokiwadai, Hodogaya-ku Yokohama 240-8501 Japan
| | - Nao Ozawa
- Department of Chemical Science and Engineering School of Materials and Chemical Technology Tokyo Institute of Technology 4259 Nagatsuta-cho, Midori-ku Yokohama 226-8502 Japan
| | - Risako Sato
- Department of Chemical Science and Engineering School of Materials and Chemical Technology Tokyo Institute of Technology 4259 Nagatsuta-cho, Midori-ku Yokohama 226-8502 Japan
| | - Yuichi Manaka
- Department of Chemical Science and Engineering School of Materials and Chemical Technology Tokyo Institute of Technology 4259 Nagatsuta-cho, Midori-ku Yokohama 226-8502 Japan
- Renewable Energy Research Center National Institute of Advanced Industrial Science and Technology (AIST) 2-2-9 Machiikedai, Koriyama Fukushima 963-0298 Japan
| | - Wang‐Jae Chun
- Graduate School of Arts and Sciences International Christian University Mitaka, Tokyo 181-8585 Japan
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5
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Deng X, Zhang L, Liu H, Bai Y, He W. mCPBA-mediated dioxygenation of unactivated alkenes for the synthesis of 5-imino-2-tetrahydrofuranyl methanol derivatives. Tetrahedron Lett 2020. [DOI: 10.1016/j.tetlet.2020.152620] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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6
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Wang H, Gu S, Yan Q, Ding L, Chen FE. Asymmetric catalysis in synthetic strategies for chiral benzothiazepines. GREEN SYNTHESIS AND CATALYSIS 2020. [DOI: 10.1016/j.gresc.2020.05.005] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023] Open
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7
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Design and synthesis of a versatile cooperative catalytic aerobic oxidation system with co-immobilization of palladium nanoparticles and laccase into the cavities of MCF. J Catal 2020. [DOI: 10.1016/j.jcat.2019.12.023] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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8
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Usui K, Miyashita K, Maeda K, Manaka Y, Chun WJ, Inazu K, Motokura K. Multifunctional Catalytic Surface Design for Concerted Acceleration of One-Pot Hydrosilylation-CO 2 Cycloaddition. Org Lett 2019; 21:9372-9376. [PMID: 31741391 DOI: 10.1021/acs.orglett.9b03602] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Silica-supported Rh-ammonium iodide catalyst showed high performance for hydrosilylation-CO2 cycloaddition reaction sequences. The catalyst was prepared by surface grafting of Rh and the silane-coupling reaction of the ammonium iodide moiety. The acceleration of each catalytic reaction was realized due to the concerted catalysis between Rh species, immobilized organic functions, and surface Si-OH groups. As a result, good to excellent yields of silyl carbonates were obtained from epoxyolefins, hydrosilanes, and CO2 under mild reaction conditions.
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Affiliation(s)
- Kei Usui
- Department of Chemical Science and Engineering, School of Materials and Chemical Technology , Tokyo Institute of Technology , Yokohama 226-8502 , Japan
| | - Kodai Miyashita
- Department of Chemistry and Biochemistry , National Institute of Technology, Numazu College , Numazu 410-8501 , Japan
| | - Kyogo Maeda
- Department of Chemical Science and Engineering, School of Materials and Chemical Technology , Tokyo Institute of Technology , Yokohama 226-8502 , Japan
| | - Yuichi Manaka
- Department of Chemical Science and Engineering, School of Materials and Chemical Technology , Tokyo Institute of Technology , Yokohama 226-8502 , Japan.,Renewable Energy Research Center , National Institute of Advanced Industrial Science and Technology , Fukushima 963-0298 , Japan
| | - Wang-Jae Chun
- Graduate School of Arts and Sciences , International Christian University , Mitaka , Tokyo 181-8585 , Japan
| | - Koji Inazu
- Department of Chemistry and Biochemistry , National Institute of Technology, Numazu College , Numazu 410-8501 , Japan
| | - Ken Motokura
- Department of Chemical Science and Engineering, School of Materials and Chemical Technology , Tokyo Institute of Technology , Yokohama 226-8502 , Japan.,PRESTO , Japan Science and Technology Agency (JST) , Saitama 332-0012 , Japan
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9
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Ellis GA, Klein WP, Lasarte-Aragonés G, Thakur M, Walper SA, Medintz IL. Artificial Multienzyme Scaffolds: Pursuing in Vitro Substrate Channeling with an Overview of Current Progress. ACS Catal 2019. [DOI: 10.1021/acscatal.9b02413] [Citation(s) in RCA: 67] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Gregory A. Ellis
- Center for Bio/Molecular Science and Engineering, Code 6900, U.S. Naval Research Laboratory, Washington, D.C. 20375, United States
| | - William P. Klein
- Center for Bio/Molecular Science and Engineering, Code 6900, U.S. Naval Research Laboratory, Washington, D.C. 20375, United States
- National Research Council, Washington, D.C. 20001, United States
| | - Guillermo Lasarte-Aragonés
- Center for Bio/Molecular Science and Engineering, Code 6900, U.S. Naval Research Laboratory, Washington, D.C. 20375, United States
- College of Science, George Mason University, Fairfax, Virginia 22030, United States
| | - Meghna Thakur
- Center for Bio/Molecular Science and Engineering, Code 6900, U.S. Naval Research Laboratory, Washington, D.C. 20375, United States
- College of Science, George Mason University, Fairfax, Virginia 22030, United States
| | - Scott A. Walper
- Center for Bio/Molecular Science and Engineering, Code 6900, U.S. Naval Research Laboratory, Washington, D.C. 20375, United States
| | - Igor L. Medintz
- Center for Bio/Molecular Science and Engineering, Code 6900, U.S. Naval Research Laboratory, Washington, D.C. 20375, United States
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10
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Jäger VD, Piqueray M, Seide S, Pohl M, Wiechert W, Jaeger K, Krauss U. An Enzymatic 2‐Step Cofactor and Co‐Product Recycling Cascade towards a Chiral 1,2‐Diol. Part II: Catalytically Active Inclusion Bodies. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201900189] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Vera D. Jäger
- Institut für Molekulare Enzymtechnologie, Heinrich-Heine-Universität DüsseldorfForschungszentrum Jülich 52425 Jülich Germany
- Bioeconomy Science Center (BioSC), c/oForschungszentrum Jülich 52425 Jülich Germany
| | - Maja Piqueray
- Institut für Molekulare Enzymtechnologie, Heinrich-Heine-Universität DüsseldorfForschungszentrum Jülich 52425 Jülich Germany
| | - Selina Seide
- Forschungszentrum Jülich GmbH, IBG-1: Biotechnology 52425 Jülich Germany
- Bioeconomy Science Center (BioSC), c/oForschungszentrum Jülich 52425 Jülich Germany
| | - Martina Pohl
- Forschungszentrum Jülich GmbH, IBG-1: Biotechnology 52425 Jülich Germany
- Bioeconomy Science Center (BioSC), c/oForschungszentrum Jülich 52425 Jülich Germany
| | - Wolfgang Wiechert
- Forschungszentrum Jülich GmbH, IBG-1: Biotechnology 52425 Jülich Germany
- Bioeconomy Science Center (BioSC), c/oForschungszentrum Jülich 52425 Jülich Germany
| | - Karl‐Erich Jaeger
- Institut für Molekulare Enzymtechnologie, Heinrich-Heine-Universität DüsseldorfForschungszentrum Jülich 52425 Jülich Germany
- Forschungszentrum Jülich GmbH, IBG-1: Biotechnology 52425 Jülich Germany
- Bioeconomy Science Center (BioSC), c/oForschungszentrum Jülich 52425 Jülich Germany
| | - Ulrich Krauss
- Institut für Molekulare Enzymtechnologie, Heinrich-Heine-Universität DüsseldorfForschungszentrum Jülich 52425 Jülich Germany
- Bioeconomy Science Center (BioSC), c/oForschungszentrum Jülich 52425 Jülich Germany
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11
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Jäger VD, Lamm R, Kloß R, Kaganovitch E, Grünberger A, Pohl M, Büchs J, Jaeger KE, Krauss U. A Synthetic Reaction Cascade Implemented by Colocalization of Two Proteins within Catalytically Active Inclusion Bodies. ACS Synth Biol 2018; 7:2282-2295. [PMID: 30053372 DOI: 10.1021/acssynbio.8b00274] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
In nature, enzymatic reaction cascades, i.e., realized in metabolic networks, operate with unprecedented efficacy, with the reactions often being spatially and temporally orchestrated. The principle of "learning from nature" has in recent years inspired the setup of synthetic reaction cascades combining biocatalytic reaction steps to artificial cascades. Hereby, the spatial organization of multiple enzymes, e.g., by coimmobilization, remains a challenging task, as currently no generic principles are available that work for every enzyme. We here present a tunable, genetically programmed coimmobilization strategy that relies on the fusion of a coiled-coil domain as aggregation inducing-tag, resulting in the formation of catalytically active inclusion body coimmobilizates (Co-CatIBs). Coexpression and coimmobilization was proven using two fluorescent proteins, and the strategy was subsequently extended to two enzymes, which enabled the realization of an integrated enzymatic two-step cascade for the production of (1 R,2 R)-1-phenylpropane-1,2-diol (PPD), a precursor of the calicum channel blocker diltiazem. In particular, the easy production and preparation of Co-CatIBs, readily yielding a biologically produced enzyme immobilizate renders the here presented strategy an interesting alternative to existing cascade immobilization techniques.
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Affiliation(s)
- Vera D. Jäger
- Institut für Molekulare Enzymtechnologie, Heinrich-Heine-Universität Düsseldorf, Forschungszentrum Jülich GmbH, D-52425 Jülich, Germany
- Bioeconomy Science Center (BioSc), Forschungszentrum Jülich, D-52425 Jülich, Germany
| | - Robin Lamm
- AVT-Chair for Biochemical Engineering, RWTH Aachen University, D-52074 Aachen, Germany
- Bioeconomy Science Center (BioSc), Forschungszentrum Jülich, D-52425 Jülich, Germany
| | - Ramona Kloß
- Institute of Bio- and Geosciences IBG-1: Biotechnology, Forschungszentrum Jülich GmbH, D-52425 Jülich, Germany
- Bioeconomy Science Center (BioSc), Forschungszentrum Jülich, D-52425 Jülich, Germany
| | - Eugen Kaganovitch
- Institute of Bio- and Geosciences IBG-1: Biotechnology, Forschungszentrum Jülich GmbH, D-52425 Jülich, Germany
| | - Alexander Grünberger
- Institute of Bio- and Geosciences IBG-1: Biotechnology, Forschungszentrum Jülich GmbH, D-52425 Jülich, Germany
- Multiscale Bioengineering group, Bielefeld University, D-33615 Bielefeld, Germany
| | - Martina Pohl
- Institute of Bio- and Geosciences IBG-1: Biotechnology, Forschungszentrum Jülich GmbH, D-52425 Jülich, Germany
- Bioeconomy Science Center (BioSc), Forschungszentrum Jülich, D-52425 Jülich, Germany
| | - Jochen Büchs
- AVT-Chair for Biochemical Engineering, RWTH Aachen University, D-52074 Aachen, Germany
- Bioeconomy Science Center (BioSc), Forschungszentrum Jülich, D-52425 Jülich, Germany
| | - Karl-Erich Jaeger
- Institut für Molekulare Enzymtechnologie, Heinrich-Heine-Universität Düsseldorf, Forschungszentrum Jülich GmbH, D-52425 Jülich, Germany
- Institute of Bio- and Geosciences IBG-1: Biotechnology, Forschungszentrum Jülich GmbH, D-52425 Jülich, Germany
- Bioeconomy Science Center (BioSc), Forschungszentrum Jülich, D-52425 Jülich, Germany
| | - Ulrich Krauss
- Institut für Molekulare Enzymtechnologie, Heinrich-Heine-Universität Düsseldorf, Forschungszentrum Jülich GmbH, D-52425 Jülich, Germany
- Bioeconomy Science Center (BioSc), Forschungszentrum Jülich, D-52425 Jülich, Germany
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12
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Presečki AV, Pintarić L, Švarc A, Vasić-Rački Đ. Different strategies for multi-enzyme cascade reaction for chiral vic-1,2-diol production. Bioprocess Biosyst Eng 2018; 41:793-802. [PMID: 29464310 DOI: 10.1007/s00449-018-1912-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2017] [Accepted: 02/15/2018] [Indexed: 10/18/2022]
Abstract
The stereoselective three-enzyme cascade for the one-pot synthesis of (1S,2S)-1-phenylpropane-1,2-diol ((1S,2S)-1-PPD) from inexpensive starting substrates, benzaldehyde and acetaldehyde, was explored. By coupling stereoselective carboligation catalyzed by benzoylformate decarboxylase (BFD), L-selective reduction of a carbonyl group with alcohol dehydrogenase from Lactobacillus brevis (ADHLb) as well as the coenzyme regeneration by formate dehydrogenase (FDH), enantiomerically pure diastereoselective 1,2-diol was produced. Two different multi-enzyme system approaches were applied: the sequential two-step one-pot and the simultaneous one-pot cascade. All enzymes were kinetically characterized. The impact of acetaldehyde on the BFD and ADHLb stability was investigated. To overcome the kinetic limitation of acetaldehyde in the carboligation reaction and to reduce its influence on the enzyme stability, experiments were performed in two different excesses of acetaldehyde (100 and 300%). Due to the ADHLb deactivation by acetaldehyde, the simultaneous one-pot cascade proved not to be the first choice for the investigated three-enzyme system. In the sequential cascade with 300% acetaldehyde excess a 100% yield of vic 1,2-diol was reached.
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Affiliation(s)
- Ana Vrsalović Presečki
- Faculty of Chemical Engineering and Technology, University of Zagreb, Savska cesta 16, 10000, Zagreb, Croatia.
| | - Lela Pintarić
- Faculty of Textile Technology, University of Zagreb, Prilaz baruna Filipovića 28, 10000, Zagreb, Croatia
| | - Anera Švarc
- Faculty of Chemical Engineering and Technology, University of Zagreb, Savska cesta 16, 10000, Zagreb, Croatia
| | - Đurđa Vasić-Rački
- Faculty of Chemical Engineering and Technology, University of Zagreb, Savska cesta 16, 10000, Zagreb, Croatia
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13
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Kloss R, Karmainski T, Jäger VD, Hahn D, Grünberger A, Baumgart M, Krauss U, Jaeger KE, Wiechert W, Pohl M. Tailor-made catalytically active inclusion bodies for different applications in biocatalysis. Catal Sci Technol 2018. [DOI: 10.1039/c8cy01891j] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
CatIB properties can be tailored to the requirements of different reaction systems using two different coiled-coil domains as fusion tags.
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14
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Szőllősi G. Asymmetric one-pot reactions using heterogeneous chemical catalysis: recent steps towards sustainable processes. Catal Sci Technol 2018. [DOI: 10.1039/c7cy01671a] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Asymmetric one-pot reactions applying heterogeneous chemical catalysts and unifying the benefits of these catalytic materials with the advantages of one-pot methods, are surveyed.
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Affiliation(s)
- György Szőllősi
- MTA-SZTE Stereochemistry Research Group
- University of Szeged
- H-6720 Szeged, Dóm tér 8
- Hungary
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15
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Loh YY, Nagao K, Hoover AJ, Hesk D, Rivera NR, Colletti SL, Davies IW, MacMillan DWC. Photoredox-catalyzed deuteration and tritiation of pharmaceutical compounds. Science 2017; 358:1182-1187. [PMID: 29123019 PMCID: PMC5907472 DOI: 10.1126/science.aap9674] [Citation(s) in RCA: 336] [Impact Index Per Article: 48.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2017] [Accepted: 10/30/2017] [Indexed: 12/24/2022]
Abstract
Deuterium- and tritium-labeled pharmaceutical compounds are pivotal diagnostic tools in drug discovery research, providing vital information about the biological fate of drugs and drug metabolites. Herein we demonstrate that a photoredox-mediated hydrogen atom transfer protocol can efficiently and selectively install deuterium (D) and tritium (T) at α-amino sp3 carbon-hydrogen bonds in a single step, using isotopically labeled water (D2O or T2O) as the source of hydrogen isotope. In this context, we also report a convenient synthesis of T2O from T2, providing access to high-specific-activity T2O. This protocol has been successfully applied to the high incorporation of deuterium and tritium in 18 drug molecules, which meet the requirements for use in ligand-binding assays and absorption, distribution, metabolism, and excretion studies.
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Affiliation(s)
- Yong Yao Loh
- Merck Center for Catalysis at Princeton University, Princeton, NJ 08544, USA
| | - Kazunori Nagao
- Merck Center for Catalysis at Princeton University, Princeton, NJ 08544, USA
| | - Andrew J Hoover
- Labeled Compound Synthesis Group, Department of Process R&D, Merck Research Laboratories (MRL), Merck & Co., Inc., Rahway, NJ 07065, USA
| | - David Hesk
- Labeled Compound Synthesis Group, Department of Process R&D, Merck Research Laboratories (MRL), Merck & Co., Inc., Rahway, NJ 07065, USA
| | - Nelo R Rivera
- Labeled Compound Synthesis Group, Department of Process R&D, Merck Research Laboratories (MRL), Merck & Co., Inc., Rahway, NJ 07065, USA
| | - Steven L Colletti
- Department of Discovery Chemistry, MRL, Merck & Co., Inc., Kenilworth, NJ 07033, USA
| | - Ian W Davies
- Merck Center for Catalysis at Princeton University, Princeton, NJ 08544, USA
- Labeled Compound Synthesis Group, Department of Process R&D, Merck Research Laboratories (MRL), Merck & Co., Inc., Rahway, NJ 07065, USA
| | - David W C MacMillan
- Merck Center for Catalysis at Princeton University, Princeton, NJ 08544, USA.
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16
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Muchiri R, Walker KD. Paclitaxel Biosynthesis: Adenylation and Thiolation Domains of an NRPS TycA PheAT Module Produce Various Arylisoserine CoA Thioesters. Biochemistry 2017; 56:1415-1425. [PMID: 28230972 DOI: 10.1021/acs.biochem.6b01188] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Structure-activity relationship studies show that the phenylisoserinyl moiety of paclitaxel (Taxol) is largely necessary for the effective anticancer activity. Several paclitaxel analogues with a variant isoserinyl side chain have improved pharmaceutical properties versus those of the parent drug. To produce the isoserinyl CoAs as intermediates needed for enzyme catalysis on a semibiosynthetic pathway to paclitaxel analogues, we repurposed the adenylation and thiolation domains (Phe-AT) of a nonribosomal peptide synthetase (TycA) so that they would function as a CoA ligase. Twenty-eight isoserine analogue racemates were synthesized by an established procedure based on the Staudinger [2+2] cycloaddition reaction. Phe-AT converted 16 substituted phenylisoserines, one β-(heteroaryl)isoserine, and one β-(cyclohexyl)isoserine to their corresponding isoserinyl CoAs. We imagine that these CoA thioesters can likely serve as linchpin biosynthetic acyl donors transferred by a 13-O-acyltransferase to a paclitaxel precursor baccatin III to make drug analogues with better efficacy. It was also interesting to find that an active site mutant [Phe-AT (W227S)] turned over 2-pyridylisoserine and the sterically demanding p-methoxyphenylisoserine substrates to their CoA thioesters, while Phe-AT did not. This mutant is promising for further development to make 3-fluoro-2-pyridylisoserinyl CoA, a biosynthetic precursor of the oral pharmaceutical tesetaxel used for gastric cancers.
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Affiliation(s)
- Ruth Muchiri
- Department of Chemistry, Michigan State University , East Lansing, Michigan 48824, United States
| | - Kevin D Walker
- Department of Chemistry, Michigan State University , East Lansing, Michigan 48824, United States.,Department of Biochemistry and Molecular Biology, Michigan State University , East Lansing, Michigan 48824, United States
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17
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Varadwaj GBB, Parida K, Nyamori VO. Transforming inorganic layered montmorillonite into inorganic–organic hybrid materials for various applications: a brief overview. Inorg Chem Front 2016. [DOI: 10.1039/c6qi00179c] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The effects of various reaction parameters on the synthesis of silylated montmorillonites and several applications of these inorganic–organic layered materials are briefly overviewed in this review.
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Affiliation(s)
| | - Kulamani Parida
- Centre for Nano Science and Nano Technology
- Institute of Technical Education and Research
- Siksha ‘O’ Anusandhan University
- Bhubaneswar-751030
- India
| | - Vincent O. Nyamori
- School of Chemistry and Physics
- University of KwaZulu-Natal
- Durban-4000
- South Africa
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18
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Bhardwaj M, Kour M, Paul S. Cu(0) onto sulfonic acid functionalized silica/carbon composites as bifunctional heterogeneous catalysts for the synthesis of polysubstituted pyridines and nitriles under benign reaction media. RSC Adv 2016. [DOI: 10.1039/c6ra19840f] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Bifunctional heterogeneous catalysts based on Cu(0) onto sulphonated silica/carbon composites for the one-pot synthesis of polysubstituted pyridines and oxidative transformation of aldehydes to nitriles.
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Affiliation(s)
- Madhvi Bhardwaj
- Department of Chemistry
- University of Jammu
- Jammu-180 006
- India
| | - Manmeet Kour
- Department of Chemistry
- University of Jammu
- Jammu-180 006
- India
| | - Satya Paul
- Department of Chemistry
- University of Jammu
- Jammu-180 006
- India
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19
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Oger N, Le Grognec E, Felpin FX. Palladium Nanoparticles Supported on Sulfonic Acid Functionalized Silica as Trifunctional Heterogeneous Catalysts for Heck and Suzuki Reactions. ChemCatChem 2015. [DOI: 10.1002/cctc.201500179] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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20
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Zhang L, Panteleev J, Lautens M. Metal–Ligand Binding Interactions in Rhodium/Palladium-Catalyzed Synthesis of Dihydroquinolines. J Org Chem 2014; 79:12159-76. [DOI: 10.1021/jo502074s] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Lei Zhang
- Davenport Research Laboratories,
Department of Chemistry, University of Toronto, 80 St George St., Toronto, Ontario, Canada, M5S 3H6
| | - Jane Panteleev
- Davenport Research Laboratories,
Department of Chemistry, University of Toronto, 80 St George St., Toronto, Ontario, Canada, M5S 3H6
| | - Mark Lautens
- Davenport Research Laboratories,
Department of Chemistry, University of Toronto, 80 St George St., Toronto, Ontario, Canada, M5S 3H6
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21
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Zhang L, Qureshi Z, Sonaglia L, Lautens M. Sequential Rhodium/Palladium Catalysis: Enantioselective Formation of Dihydroquinolinones in the Presence of Achiral and Chiral Ligands. Angew Chem Int Ed Engl 2014; 53:13850-3. [DOI: 10.1002/anie.201407400] [Citation(s) in RCA: 70] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2014] [Revised: 08/09/2014] [Indexed: 11/09/2022]
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22
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Zhang L, Qureshi Z, Sonaglia L, Lautens M. Sequential Rhodium/Palladium Catalysis: Enantioselective Formation of Dihydroquinolinones in the Presence of Achiral and Chiral Ligands. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201407400] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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23
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Palladium and copper-supported on charcoal: A heterogeneous multi-task catalyst for sequential Sonogashira–Click and Click–Heck reactions. J Organomet Chem 2014. [DOI: 10.1016/j.jorganchem.2014.01.006] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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24
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Srour H, Le Maux P, Chevance S, Simonneaux G. Metal-catalyzed asymmetric sulfoxidation, epoxidation and hydroxylation by hydrogen peroxide. Coord Chem Rev 2013. [DOI: 10.1016/j.ccr.2013.05.010] [Citation(s) in RCA: 100] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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25
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Li Z, Liu W, Chen X, Jia S, Wu Q, Zhu D, Ma Y. Highly enantioselective double reduction of phenylglyoxal to ( R )-1-phenyl-1,2-ethanediol by one NADPH-dependent yeast carbonyl reductase with a broad substrate profile. Tetrahedron 2013. [DOI: 10.1016/j.tet.2013.02.085] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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26
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Xu XB, Liu J, Zhang JJ, Wang YW, Peng Y. Nickel-Mediated Inter- and Intramolecular C–S Coupling of Thiols and Thioacetates with Aryl Iodides at Room Temperature. Org Lett 2013; 15:550-3. [DOI: 10.1021/ol303366u] [Citation(s) in RCA: 136] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Xiao-Bo Xu
- State Key Laboratory of Applied Organic Chemistry and College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China
| | - Jian Liu
- State Key Laboratory of Applied Organic Chemistry and College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China
| | - Jian-Jian Zhang
- State Key Laboratory of Applied Organic Chemistry and College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China
| | - Ya-Wen Wang
- State Key Laboratory of Applied Organic Chemistry and College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China
| | - Yu Peng
- State Key Laboratory of Applied Organic Chemistry and College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China
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27
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Fraile JM, García N, Herrerías CI, Mayoral JA. Integration of heterogeneous catalysts into complex synthetic routes: sequential vs. one-pot reactions in a (Knoevenagel + Mukaiyama–Michael + hydrogenation + transesterification) sequence. Catal Sci Technol 2013. [DOI: 10.1039/c2cy20442h] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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28
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Branco LC, Serbanovic A, N. da Ponte M, Afonso CAM. Chiral Guanidinium Ionic Liquids for Asymmetric Dihydroxylation of Olefins with Recycling of the Catalytic System by Supercritical CO2. ACS Catal 2011. [DOI: 10.1021/cs2001626] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Luis C. Branco
- REQUIMTE, Departamento de Química, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, 2829-516 Caparica, Portugal
| | - Ana Serbanovic
- REQUIMTE, Departamento de Química, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, 2829-516 Caparica, Portugal
| | - Manuel N. da Ponte
- REQUIMTE, Departamento de Química, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, 2829-516 Caparica, Portugal
| | - Carlos A. M. Afonso
- CQFM, Centro de Química-Física Molecular and IN − Institute of Nanoscience and Nanotechnology, Instituto Superior Técnico, Complexo-1, Avenida Rovisco Pais, 1049-001 Lisboa, Portugal
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29
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Wang J, Zhao L, Shi H, He J. Highly Enantioselective and Efficient Asymmetric Epoxidation Catalysts: Inorganic Nanosheets Modified with α-Amino Acids as Ligands. Angew Chem Int Ed Engl 2011; 50:9171-6. [DOI: 10.1002/anie.201103713] [Citation(s) in RCA: 55] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2011] [Indexed: 11/08/2022]
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30
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Wang J, Zhao L, Shi H, He J. Highly Enantioselective and Efficient Asymmetric Epoxidation Catalysts: Inorganic Nanosheets Modified with α-Amino Acids as Ligands. Angew Chem Int Ed Engl 2011. [DOI: 10.1002/ange.201103713] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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31
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Shylesh S, Thiel WR. Bifunctional Acid-Base Cooperativity in Heterogeneous Catalytic Reactions: Advances in Silica Supported Organic Functional Groups. ChemCatChem 2010. [DOI: 10.1002/cctc.201000353] [Citation(s) in RCA: 108] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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32
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Climent MJ, Corma A, Iborra S. Heterogeneous catalysts for the one-pot synthesis of chemicals and fine chemicals. Chem Rev 2010; 111:1072-133. [PMID: 21105733 DOI: 10.1021/cr1002084] [Citation(s) in RCA: 517] [Impact Index Per Article: 36.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Maria J Climent
- Instituto de Tecnología Química, UPV-CSIC, Universidad Politécnica de Valencia, Spain
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33
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Shylesh S, Wagener A, Seifert A, Ernst S, Thiel WR. Bifunctional Mesoporous Materials with Coexisting Acidic and Basic Sites for CC Bond Formation in Co-operative Catalytic Reactions. ChemCatChem 2010. [DOI: 10.1002/cctc.201000086] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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34
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Shylesh S, Wagener A, Seifert A, Ernst S, Thiel WR. Mesoporous Organosilicas with Acidic Frameworks and Basic Sites in the Pores: An Approach to Cooperative Catalytic Reactions. Angew Chem Int Ed Engl 2009; 49:184-7. [PMID: 19957253 DOI: 10.1002/anie.200903985] [Citation(s) in RCA: 161] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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35
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Shylesh S, Wagener A, Seifert A, Ernst S, Thiel W. Mesoporöse Organokieselgele mit sauren Wänden und basischen Gruppen im Poreninneren: ein Ansatz für die kooperative Katalyse. Angew Chem Int Ed Engl 2009. [DOI: 10.1002/ange.200903985] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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36
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Shylesh S, Wagner A, Seifert A, Ernst S, Thiel WR. Cooperative acid-base effects with functionalized mesoporous silica nanoparticles: applications in carbon-carbon bond-formation reactions. Chemistry 2009; 15:7052-62. [PMID: 19569138 DOI: 10.1002/chem.200900851] [Citation(s) in RCA: 124] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Acid-base bifunctional mesoporous silica nanoparticles (MSN) were prepared by a one-step synthesis by co-condensation of tetraethoxysilane (TEOS) and silanes possessing amino and/or sulfonic acid groups. Both the functionality and morphology of the particles can be controlled. The grafted functional groups were characterized by using solid-state (29)Si and (13)C cross-polarization/magic angle spinning (CP/MAS) NMR spectroscopy, thermal analysis, and elemental analysis, whereas the structural and the morphological features of the materials were evaluated by using XRD and N(2) adsorption-desorption analyses, and SEM imaging. The catalytic activities of the mono- and bifunctional mesoporous hybrid materials were evaluated in carbon-carbon coupling reactions like the nitroaldol reaction and the one-pot deacetalization-nitroaldol and deacetalization-aldol reactions. Among all the catalysts evaluated, the bifunctional sample containing amine and sulfonic acid groups (MSN-NNH(2)-SO(3)H) showed excellent catalytic activity, whereas the homogeneous catalysts were unable to initiate the reaction due to their mutual neutralization in solution. Therefore a cooperative acid-base activation is envisaged for the carbon-carbon coupling reactions.
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Affiliation(s)
- Sankaranarayanapillai Shylesh
- Fachbereich Chemie, Technische Universität Kaiserslautern, Erwin-Schrödinger-Strasse 52, 67663 Kaiserslautern, Germany
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37
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Heterogeneous palladium multi-task catalyst for sequential Heck-reduction–cyclization (HRC) reactions: influence of the support. Tetrahedron Lett 2009. [DOI: 10.1016/j.tetlet.2009.06.084] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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38
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Felpin FX, Coste J, Zakri C, Fouquet E. Preparation of 2-Quinolones by Sequential Heck Reduction-Cyclization (HRC) Reactions by Using a Multitask Palladium Catalyst. Chemistry 2009; 15:7238-45. [DOI: 10.1002/chem.200900583] [Citation(s) in RCA: 80] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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39
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Sun H, Su FZ, Ni J, Cao Y, He HY, Fan KN. Gold Supported on Hydroxyapatite as a Versatile Multifunctional Catalyst for the Direct Tandem Synthesis of Imines and Oximes. Angew Chem Int Ed Engl 2009. [DOI: 10.1002/ange.200900802] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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40
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Sun H, Su FZ, Ni J, Cao Y, He HY, Fan KN. Gold Supported on Hydroxyapatite as a Versatile Multifunctional Catalyst for the Direct Tandem Synthesis of Imines and Oximes. Angew Chem Int Ed Engl 2009; 48:4390-3. [DOI: 10.1002/anie.200900802] [Citation(s) in RCA: 246] [Impact Index Per Article: 16.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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41
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Affiliation(s)
- Alexandre F. Trindade
- Centro de Quimica-Fisica Molecular (CQFM) and Institute of Nanoscience and Nanotechnology (IN), Instituto Superior Técnico, Av. Rovisco Pais 1, 1049-001 Lisboa, Portugal, and Institute for Medicines and Phamaceutical Sciences (iMed), Av. Prof. Gama Pinto, 1649-003 Lisbon, Portugal
| | - Pedro M. P. Gois
- Centro de Quimica-Fisica Molecular (CQFM) and Institute of Nanoscience and Nanotechnology (IN), Instituto Superior Técnico, Av. Rovisco Pais 1, 1049-001 Lisboa, Portugal, and Institute for Medicines and Phamaceutical Sciences (iMed), Av. Prof. Gama Pinto, 1649-003 Lisbon, Portugal
| | - Carlos A. M. Afonso
- Centro de Quimica-Fisica Molecular (CQFM) and Institute of Nanoscience and Nanotechnology (IN), Instituto Superior Técnico, Av. Rovisco Pais 1, 1049-001 Lisboa, Portugal, and Institute for Medicines and Phamaceutical Sciences (iMed), Av. Prof. Gama Pinto, 1649-003 Lisbon, Portugal
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42
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Fraile JM, García JI, Mayoral JA. Noncovalent Immobilization of Enantioselective Catalysts. Chem Rev 2008; 109:360-417. [DOI: 10.1021/cr800363y] [Citation(s) in RCA: 275] [Impact Index Per Article: 17.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- José M. Fraile
- Departamento de Química Orgánica, Instituto de Ciencia de Materiales de Aragón, and Instituto Universitario de Catálisis Homogénea, Facultad de Ciencias, Universidad de Zaragoza - C.S.I.C., E-50009 Zaragoza, Spain
| | - José I. García
- Departamento de Química Orgánica, Instituto de Ciencia de Materiales de Aragón, and Instituto Universitario de Catálisis Homogénea, Facultad de Ciencias, Universidad de Zaragoza - C.S.I.C., E-50009 Zaragoza, Spain
| | - José A. Mayoral
- Departamento de Química Orgánica, Instituto de Ciencia de Materiales de Aragón, and Instituto Universitario de Catálisis Homogénea, Facultad de Ciencias, Universidad de Zaragoza - C.S.I.C., E-50009 Zaragoza, Spain
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43
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One Pot Synthesis of Imines from Aromatic Nitro Compounds with a Novel Ni/SiO2 Magnetic Catalyst. Catal Letters 2008. [DOI: 10.1007/s10562-008-9774-0] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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44
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Motokura K, Tada M, Iwasawa Y. Cooperative Catalysis of Primary and Tertiary Amines Immobilized on Oxide Surfaces for One‐Pot CC Bond Forming Reactions. Angew Chem Int Ed Engl 2008. [DOI: 10.1002/ange.200802515] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Ken Motokura
- Department of Chemistry, Graduate School of Science, The University of Tokyo, Hongo, Bunkyo‐ku, Tokyo 113‐0033 (Japan), Fax: (+81) 3‐5800‐6892
| | - Mizuki Tada
- Department of Chemistry, Graduate School of Science, The University of Tokyo, Hongo, Bunkyo‐ku, Tokyo 113‐0033 (Japan), Fax: (+81) 3‐5800‐6892
| | - Yasuhiro Iwasawa
- Department of Chemistry, Graduate School of Science, The University of Tokyo, Hongo, Bunkyo‐ku, Tokyo 113‐0033 (Japan), Fax: (+81) 3‐5800‐6892
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45
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Motokura K, Tada M, Iwasawa Y. Cooperative Catalysis of Primary and Tertiary Amines Immobilized on Oxide Surfaces for One‐Pot CC Bond Forming Reactions. Angew Chem Int Ed Engl 2008; 47:9230-5. [DOI: 10.1002/anie.200802515] [Citation(s) in RCA: 95] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Ken Motokura
- Department of Chemistry, Graduate School of Science, The University of Tokyo, Hongo, Bunkyo‐ku, Tokyo 113‐0033 (Japan), Fax: (+81) 3‐5800‐6892
| | - Mizuki Tada
- Department of Chemistry, Graduate School of Science, The University of Tokyo, Hongo, Bunkyo‐ku, Tokyo 113‐0033 (Japan), Fax: (+81) 3‐5800‐6892
| | - Yasuhiro Iwasawa
- Department of Chemistry, Graduate School of Science, The University of Tokyo, Hongo, Bunkyo‐ku, Tokyo 113‐0033 (Japan), Fax: (+81) 3‐5800‐6892
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46
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Branco L, Ferreira FC, Santos J, Crespo J, Afonso CA. Sharpless Asymmetric Dihydroxylation of Olefins in WaterSurfactant Media with Recycling of the Catalytic System by Membrane Nanofiltration. Adv Synth Catal 2008. [DOI: 10.1002/adsc.200800269] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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47
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Piera J, Bäckvall JE. Catalytic oxidation of organic substrates by molecular oxygen and hydrogen peroxide by multistep electron transfer--a biomimetic approach. Angew Chem Int Ed Engl 2008; 47:3506-23. [PMID: 18383499 DOI: 10.1002/anie.200700604] [Citation(s) in RCA: 690] [Impact Index Per Article: 43.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Oxidation reactions are of fundamental importance in nature, and are key transformations in organic synthesis. The development of new processes that employ transition metals as substrate-selective catalysts and stoichiometric environmentally friendly oxidants, such as molecular oxygen or hydrogen peroxide, is one of the most important goals in oxidation chemistry. Direct oxidation of the catalyst by molecular oxygen or hydrogen peroxide is often kinetically unfavored. The use of coupled catalytic systems with electron-transfer mediators (ETMs) usually facilitates the procedures by transporting the electrons from the catalyst to the oxidant along a low-energy pathway, thereby increasing the efficiency of the oxidation and thus complementing the direct oxidation reactions. As a result of the similarities with biological systems, this can be dubbed a biomimetic approach.
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Affiliation(s)
- Julio Piera
- Department of Organic Chemistry, Arrhenius Laboratory, Stockholm University, Stockholm, Sweden
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48
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Srivastava VK, Sharma SK, Shukla RS, Jasra RV. Rhodium Metal Complex and Hydrotalcite Based Environmentally Friendly Catalyst System for the Selective Synthesis of C8-Aldehydes from Propylene. Ind Eng Chem Res 2008. [DOI: 10.1021/ie071108r] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Vivek K. Srivastava
- Discipline of Inorganic Materials and Catalysis, Central Salt and Marine Chemicals Research Institute (CSMCRI), G.B. Marg, Bhavnagar−364 002, Gujarat, India
| | - Sumeet K. Sharma
- Discipline of Inorganic Materials and Catalysis, Central Salt and Marine Chemicals Research Institute (CSMCRI), G.B. Marg, Bhavnagar−364 002, Gujarat, India
| | - Ram S. Shukla
- Discipline of Inorganic Materials and Catalysis, Central Salt and Marine Chemicals Research Institute (CSMCRI), G.B. Marg, Bhavnagar−364 002, Gujarat, India
| | - Raksh V. Jasra
- Discipline of Inorganic Materials and Catalysis, Central Salt and Marine Chemicals Research Institute (CSMCRI), G.B. Marg, Bhavnagar−364 002, Gujarat, India
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49
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Kaneda K, Jitsukawa K, Ebitani K, Mizugaki T, Motokura K. Hydrotalcite-bound ruthenium as a multifunctional heterogeneous catalyst for one-pot synthesis of α-alkylated nitriles and quinolines. RESEARCH ON CHEMICAL INTERMEDIATES 2008. [DOI: 10.1163/156856708784795554] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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50
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Piera J, Bäckvall JE. Katalytische Oxidation von organischen Substraten durch molekularen Sauerstoff und Wasserstoffperoxid über einen mehrstufigen Elektronentransfer – ein biomimetischer Ansatz. Angew Chem Int Ed Engl 2008. [DOI: 10.1002/ange.200700604] [Citation(s) in RCA: 226] [Impact Index Per Article: 14.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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