1
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Ghorai D, Tóth BL, Lanzi M, Kleij AW. Vinyl and Alkynyl Substituted Heterocycles as Privileged Scaffolds in Transition Metal Promoted Stereoselective Synthesis. Acc Chem Res 2024; 57:726-738. [PMID: 38387878 PMCID: PMC10918838 DOI: 10.1021/acs.accounts.3c00760] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2023] [Revised: 01/19/2024] [Accepted: 01/22/2024] [Indexed: 02/24/2024]
Abstract
ConspectusBiologically active compounds and pharmaceutically relevant intermediates often feature sterically congested stereogenic centers, in particular, carbon stereocenters that are either tertiary tetrasubstituted ones or quaternary in nature. Synthons that comprise such bulky and often structurally complex core units are of high synthetic value and represent important incentives for communities connected to drug discovery and development. Streamlined approaches that give access to a diverse set of compounds incorporating acyclic bulky stereocenters are relatively limited, though vital. They enable further exploration of three-dimensional entities that can be designed and implemented in discovery programs, thereby extending the pool of molecular properties that is inaccessible for flat molecules. However, the lack of modular substrates in particular areas of chemical space inspired us to consider functionalized heterocycles known as cyclic carbonates and carbamates as a productive way to create sterically crowded alkenes and stereocenters.In this Account, we describe the major approximations we followed over the course of 8 years using transition metal (TM) catalysis as an instrument to control the stereochemical course of various allylic and propargylic substitution processes and related transformations. Allylic substitution reactions empowered by Pd-catalysis utilizing a variety of nucleophiles are discussed, with amination being the seed of all of this combined work. These procedures build on vinyl-substituted cyclic carbonates (VCCs) that are simple and easy-to-access precursors and highly modular in nature compared to synthetically limited vinyl oxiranes. Overall these decarboxylative conversions take place with either "linear" or "branched" regioselectivities that are ligand controlled and offer access to a wide scope of functional allylic scaffolds. Alternative approaches, including dual TM/photocatalyzed transformations, allowed us to expand the repertoire of challenging stereoselective conversions. This was achieved through key single-electron pathways and via formal umpolung of intermediates, resulting in new types of carbon-carbon bond formation reactions significantly expanding the scope of allylic substitution reactions.Heterocyclic substrate variants that have triple bond functional groups were also designed by us to enable difficult-to-promote stereoselective propargylic substitution reactions through TM catalysis. In these processes, inspired by the Nishibayashi laboratory and their seminal findings in the area, we discovered various new reactivity patterns. This provided access to a range of different stereodefined building blocks such as 1,2-diborylated 1,3-dienes and tetrasubstituted α-allenols under Cu- or Ni-catalysis. In this realm, the use of lactone-derived substrates gives access to elusive chiral γ-amino acids and lactams with high stereofidelity and good structural diversity.Apart from the synthetic efforts, we have elucidated some of the pertinent mechanistic manifolds operative in these transformations to better understand the limitations and opportunities with these specifically functionalized heterocycles that allowed us to create complex synthons. We combined both theoretical and experimental investigations that lead to several unexpected outcomes in terms of enantioinduction models, catalyst preactivation, and intermediates that are intimately connected to rationales for the observed selectivity profiles. The combined work we have communicated over the years offers insight into the unique reactivity of cyclic carbonates/carbamates acting as privileged precursors. It may inspire other members of the synthetic communities to widen the scope of precursors toward novel stereoselective transformations with added value in drug discovery and development in both academic and commercial settings.
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Affiliation(s)
- Debasish Ghorai
- Institute
of Chemical Research of Catalonia (ICIQ), the Barcelona Institute
of Science and Technology (BIST), Av. Països Catalans 16, 43007 Tarragona, Spain
| | - Balázs L. Tóth
- Institute
of Chemical Research of Catalonia (ICIQ), the Barcelona Institute
of Science and Technology (BIST), Av. Països Catalans 16, 43007 Tarragona, Spain
| | - Matteo Lanzi
- Institute
of Chemical Research of Catalonia (ICIQ), the Barcelona Institute
of Science and Technology (BIST), Av. Països Catalans 16, 43007 Tarragona, Spain
| | - Arjan W. Kleij
- Institute
of Chemical Research of Catalonia (ICIQ), the Barcelona Institute
of Science and Technology (BIST), Av. Països Catalans 16, 43007 Tarragona, Spain
- Catalan
Institute of Research and Advanced Studies (ICREA), Pg. Lluis Companys 23, 08010 Barcelona, Spain
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2
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Fernandes RA, Gangani AJ. Palladium-Catalyzed Oxidant Dependent Switchable Aza-Wacker Cyclization and Oxidative Dimerization of Benzimidates. Org Lett 2022; 24:7400-7404. [PMID: 36197317 DOI: 10.1021/acs.orglett.2c02942] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
An oxidant dependent switchable palladium-catalyzed synthesis of 1,3-oxazines and benzohydrazonates (azines) from O-homoallyl benzimidates has been developed. The reaction involved aza-Wacker-type intramolecular cyclization of O-homoallyl benzimidates with Cu(OAc)2 as oxidant under Pd-catalysis to deliver 4-methylene-1,3-oxazines, whereas dimerization of O-homoallyl benzimidates with K2S2O8 as oxidant resulted remarkably in benzohydrazonates (azines). The reaction is atom economic with an easily operational procedure for divergent synthesis of important scaffolds.
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Affiliation(s)
- Rodney A Fernandes
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, Maharashtra, India
| | - Ashvin J Gangani
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, Maharashtra, India
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3
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Yamashita Y, Sato I, Fukuyama R, Kobayashi S. Brønsted base-catalyzed imino-ene-type allylation reactions of simple alkenes as unactivated allyl compounds. Chem Commun (Camb) 2022; 58:2866-2869. [PMID: 35144278 DOI: 10.1039/d1cc06983g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Catalytic imino-ene-type allylation reactions of unactivated allyl compounds were achieved. In the presence of a catalytic amount of a strongly basic KOtBu-LiTMP or NaOtBu-LiTMP mixed system, the desired reactions proceeded smoothly at low temperature. Notably, a gaseous alkene, propylene, could also be used in this reaction system.
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Affiliation(s)
- Yasuhiro Yamashita
- Department of Chemistry, School of Science, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-0033, Japan.
| | - Io Sato
- Department of Chemistry, School of Science, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-0033, Japan.
| | - Ryota Fukuyama
- Department of Chemistry, School of Science, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-0033, Japan.
| | - Shū Kobayashi
- Department of Chemistry, School of Science, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-0033, Japan.
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4
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Casalta C, Gourlaouen C, Bouzbouz S. Iridium(III) Catalyzed Z-Selective Allylic Arylation of α-Fluoro But-1-enoic Acid Amides via β-F-Elimination in Water. Org Lett 2021; 23:8122-8126. [PMID: 34617755 DOI: 10.1021/acs.orglett.1c02054] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Allylic arylation of α-fluoro but-1-enoic acid amides with arylboronic acids was carried out in water by comparing the catalytic activity of iridium(III) and rhodium(III). Ir(III) has shown a strong superiority over Rh(III) to give allyl-aryl coupling products with excellent stereoselectivity in favor of the Z-isomer. The origin of high stereoselectivity is perhaps because of the a coordination of iridium Ir-N or Ir-O.
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Affiliation(s)
- Clément Casalta
- CNRS, University of Rouen, INSA, COBRA UMR 6014, 76800 Mont Saint Aignan, France
| | - Christophe Gourlaouen
- Laboratoire de Chimie Quantique, Institut de Chimie de Strasbourg, UMR 7177 CNRS-Université de Strasbourg, 67070 Strasbourg, France
| | - Samir Bouzbouz
- CNRS, University of Rouen, INSA, COBRA UMR 6014, 76800 Mont Saint Aignan, France
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5
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Fernandes RA, Gangani AJ, Panja A. Synthesis of 5-Vinyl-2-isoxazolines by Palladium-Catalyzed Intramolecular O-Allylation of Ketoximes. Org Lett 2021; 23:6227-6231. [PMID: 34324361 DOI: 10.1021/acs.orglett.1c01897] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
An efficient method for the synthesis of 5-vinyl-2-isoxazolines by Pd-catalyzed intramolecular O-allylation of ketoximes has been developed. The reaction involves Pd(0)-catalyzed π-allyl formation via leaving group ionization or Pd(II)-catalyzed allylic C-H activation followed by intramolecular nucleophilic oxime oxygen attack. This methodology has been elaborated to various value-added products by epoxidation, Wacker oxidation, cross-metathesis, hydroboration-oxidation, dihydroxylation, and catalytic hydrogenation.
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Affiliation(s)
- Rodney A Fernandes
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, Maharashtra, India
| | - Ashvin J Gangani
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, Maharashtra, India
| | - Arpita Panja
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, Maharashtra, India
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6
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Donges J, Hofmann S, Brüggemann M, Frank A, Schollmeyer D, Nubbemeyer U. Synthesis of (+) and (‐)‐Streptomyces coelicolor Butanolide 5 (SCB‐5). European J Org Chem 2021. [DOI: 10.1002/ejoc.202100497] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Jonas Donges
- Organische Chemie Johannes Gutenberg-Universität Mainz Duesbergweg 10–14 55128 Mainz Germany
| | - Sandra Hofmann
- Konrad-Adenauer-Gymnasium Wörthstr. 16 56457 Westerburg Germany
| | - Moritz Brüggemann
- Shimadzu Deutschland GmbH Im Leuschnerpark 4 64347 Griesheim Germany
| | - Andrea Frank
- Organische Chemie Johannes Gutenberg-Universität Mainz Duesbergweg 10–14 55128 Mainz Germany
| | - Dieter Schollmeyer
- Organische Chemie Johannes Gutenberg-Universität Mainz Duesbergweg 10–14 55128 Mainz Germany
| | - Udo Nubbemeyer
- Organische Chemie Johannes Gutenberg-Universität Mainz Duesbergweg 10–14 55128 Mainz Germany
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7
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Pal S, Cotard M, Gérardin B, Hoarau C, Schneider C. Cu-Catalyzed Oxidative Allylic C-H Arylation of Inexpensive Alkenes with (Hetero)Aryl Boronic Acids. Org Lett 2021; 23:3130-3135. [PMID: 33765389 DOI: 10.1021/acs.orglett.1c00812] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Herein, we present a regioselective Cu-catalyzed oxidative allylic C(sp3)-H arylation by radical relay using a broad range of heteroaryl boronic acids with inexpensive and readily available unactivated terminal and internal olefins. This C(sp2)-C(sp3) allyl coupling has the advantage of using cheap, abundant, and nontoxic Cu2O without the need to use prefunctionalized alkenes, thus offering an alternative method to allylic arylation reactions that employ more traditional coupling partners with preinstalled leaving groups (LGs) at the allylic position.
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Affiliation(s)
- Suman Pal
- Normandy University, University of Rouen, INSA Rouen, CNRS, COBRA UMR 6014, 1 rue Tesnière, 76821 Mont-Saint Aignan Cedex, France
| | - Marine Cotard
- Normandy University, University of Rouen, INSA Rouen, CNRS, COBRA UMR 6014, 1 rue Tesnière, 76821 Mont-Saint Aignan Cedex, France
| | - Baptiste Gérardin
- Normandy University, University of Rouen, INSA Rouen, CNRS, COBRA UMR 6014, 1 rue Tesnière, 76821 Mont-Saint Aignan Cedex, France
| | - Christophe Hoarau
- Normandy University, University of Rouen, INSA Rouen, CNRS, COBRA UMR 6014, 1 rue Tesnière, 76821 Mont-Saint Aignan Cedex, France
| | - Cédric Schneider
- Normandy University, University of Rouen, INSA Rouen, CNRS, COBRA UMR 6014, 1 rue Tesnière, 76821 Mont-Saint Aignan Cedex, France
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8
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Xie J, Li X, Kleij AW. Pd-catalyzed stereoselective tandem ring-opening amination/cyclization of vinyl γ-lactones: access to caprolactam diversity. Chem Sci 2020; 11:8839-8845. [PMID: 34123137 PMCID: PMC8163440 DOI: 10.1039/d0sc03647a] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Accepted: 08/06/2020] [Indexed: 11/25/2022] Open
Abstract
A stereoselective amination/cyclization cascade process has been developed that allows for the preparation of a series of unsaturated and substituted caprolactam derivatives in good yields. This conceptually novel protocol takes advantage of the easy access and modular character of vinyl γ-lactones that can be prepared from simple precursors. Activation of the lactone substrate in the presence of a suitable Pd precursor and newly developed phosphoramidite ligand offers a stereocontrolled ring-opening/allylic amination manifold under ambient conditions. The intermediate (E)-configured ε-amino acid can be cyclized using a suitable dehydrating agent in an efficient one-pot, two-step sequence. This overall highly chemo-, stereo- and regio-selective transformation streamlines the production of a wide variety of modifiable and valuable caprolactam building blocks in an operationally attractive way.
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Affiliation(s)
- Jianing Xie
- Institute of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology Av. Països Catalans 16 43007-Tarragona Spain
| | - Xuetong Li
- Institute of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology Av. Països Catalans 16 43007-Tarragona Spain
| | - Arjan W Kleij
- Institute of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology Av. Països Catalans 16 43007-Tarragona Spain
- Catalan Institute of Research and Advanced Studies (ICREA) Pg. Lluís Companys 23 08010 Barcelona Spain
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9
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Fernandes RA, Kumar P, Choudhary P. Advances in catalytic and protecting-group-free total synthesis of natural products: a recent update. Chem Commun (Camb) 2020; 56:8569-8590. [PMID: 32537619 DOI: 10.1039/d0cc02659j] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Catalytic processes in protecting-group-free syntheses of natural products are fast emerging towards achieving the goal of efficiency and economy in total synthesis. Present day sustainable development in synthesis of natural products does not permit the luxury of using stoichiometric reagents and protecting groups. Catalysis and step-economy can contribute significantly toward economy and efficiency of synthesis. This feature article details the ingenious efforts by many researchers in the last couple of years toward concise total syntheses, based on catalytic steps and protecting-group-free-strategies. These would again serve as guidelines in future development of reagents and catalysts aimed at achieving higher efficiency and chemoselectivity to the point that catalysis and protecting-group-free synthesis will be an accepted common practice.
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Affiliation(s)
- Rodney A Fernandes
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400 076, Maharashtra, India.
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10
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Casalta C, Bouzbouz S. Rhodium(III) Catalyzed Regioselective and Stereospecific Allylic Arylation in Water by β-Fluorine Elimination of the Allylic Fluoride: Toward the Synthesis of Z-Alkenyl-Unsaturated Amides. Org Lett 2020; 22:2359-2364. [PMID: 32159966 DOI: 10.1021/acs.orglett.0c00551] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
A direct coupling of arylboronic acids with allylic fluorides was carried out in water without additives using a rhodium(III) catalyst (Cp*RhCl2)2. The transformation proceeded with excellent γ-selectivity to afford major allyl-aryl coupling products (Z) γ-substituted α,β-unsaturated amides. The reactions of α-chiral allylic fluorides took place with excellent α-to-γ chirality transfer to give allylated arenes with a stereogenic center at the benzylic and allylic position.
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Affiliation(s)
- Clément Casalta
- CNRS, University of Rouen, INSA of Rouen, COBRA UMR 6014, 1 rue Lucien Tesnière 76131, Mont Saint Aignan, France
| | - Samir Bouzbouz
- CNRS, University of Rouen, INSA of Rouen, COBRA UMR 6014, 1 rue Lucien Tesnière 76131, Mont Saint Aignan, France
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11
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Fernandes RA. The Potential of β-Hydroxy-γ-vinyl-γ-lactone in the Synthesis of Natural Products and Beyond. European J Org Chem 2020. [DOI: 10.1002/ejoc.201901665] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Rodney A. Fernandes
- Department of Chemistry; Indian Institute of Technology Bombay; Powai 400076 Mumbai Maharashtra India
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12
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Lv H, Kang H, Zhou B, Xue X, Engle KM, Zhao D. Nickel-catalyzed intermolecular oxidative Heck arylation driven by transfer hydrogenation. Nat Commun 2019; 10:5025. [PMID: 31690717 PMCID: PMC6831602 DOI: 10.1038/s41467-019-12949-1] [Citation(s) in RCA: 60] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2019] [Accepted: 10/09/2019] [Indexed: 11/17/2022] Open
Abstract
The conventional oxidative Heck reaction between aryl boronic acids and alkenes typically involved the PdII/Pd0/PdII catalytic cycle incorporating an external oxidant and often suffered C=C bond isomerization for internal alkyl-substituted alkenes via chain-walking. Herein, we demonstrate that the regioselectivity (γ-selectivity vs. δ-selectivity) and pathway selectivity (hydroarylation vs. oxidative Heck coupling) of a directed Ni-catalyzed alkene arylation can be controlled by judicious tuning of the coordination environment around the nickel catalyst via optimization of an appropriate phosphine ligand and directing group. In this way, the Ni(0)-catalyzed oxidative Heck arylation that relies on transfer hydrogenation of an acceptor olefin is developed with excellent E/Z selectivity and regioselectivity. Mechanistic investigations suggest that the addition of the acceptor is crucial for lowering the energy for carbometalation and for enabling catalytic turnover.
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Affiliation(s)
- Honggui Lv
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Huiying Kang
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Biying Zhou
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Xiaosong Xue
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, China.
| | - Keary M Engle
- Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA, 92037, USA.
| | - Dongbing Zhao
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, China.
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13
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Lopatka P, Markovič M, Koóš P, Ley SV, Gracza T. Continuous Pd-Catalyzed Carbonylative Cyclization Using Iron Pentacarbonyl as a CO Source. J Org Chem 2019; 84:14394-14406. [PMID: 31646860 DOI: 10.1021/acs.joc.9b02453] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
This work discloses a continuous flow carbonylation reaction using iron pentacarbonyl as source of CO. The described transformation using this surrogate was designed for use in commonly accessible flow equipment. Optimized conditions were applied to a scalable synthesis of the natural compound isolated from perianal glandular pheromone secretion of the African civet cat. In addition, a flow Pd-catalyzed carbonylation of aryl halides is successfully reported.
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Affiliation(s)
- Pavol Lopatka
- Department of Organic Chemistry, Institute of Organic Chemistry, Catalysis and Petrochemistry , Slovak University of Technology , Radlinského 9 , SK-812 37 Bratislava , Slovakia
| | - Martin Markovič
- Department of Organic Chemistry, Institute of Organic Chemistry, Catalysis and Petrochemistry , Slovak University of Technology , Radlinského 9 , SK-812 37 Bratislava , Slovakia
| | - Peter Koóš
- Department of Organic Chemistry, Institute of Organic Chemistry, Catalysis and Petrochemistry , Slovak University of Technology , Radlinského 9 , SK-812 37 Bratislava , Slovakia.,Georganics, Ltd. , Koreničova 1 , SK-811 03 Bratislava , Slovakia
| | - Steven V Ley
- Department of Chemistry , University of Cambridge , Lensfield Road , Cambridge CB2 1EW , U.K
| | - Tibor Gracza
- Department of Organic Chemistry, Institute of Organic Chemistry, Catalysis and Petrochemistry , Slovak University of Technology , Radlinského 9 , SK-812 37 Bratislava , Slovakia
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14
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Ohtaka A, Kawase M, Usami A, Fukui S, Yamashita M, Yamaguchi K, Sakon A, Shiraki T, Ishida T, Nagata S, Kimura Y, Hamasaka G, Uozumi Y, Shinagawa T, Shimomura O, Nomura R. Mechanistic Study on Allylic Arylation in Water with Linear Polystyrene-Stabilized Pd and PdO Nanoparticles. ACS OMEGA 2019; 4:15764-15770. [PMID: 31572880 PMCID: PMC6761747 DOI: 10.1021/acsomega.9b02722] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/23/2019] [Accepted: 09/05/2019] [Indexed: 06/10/2023]
Abstract
The catalytic cycle of allylic arylation in water catalyzed by linear polystyrene-stabilized Pd or PdO nanoparticles (PS-PdNPs or PS-PdONPs) was investigated. Stoichiometric stepwise reactions indicated that the reaction did not proceed stepwise on the surface of the catalyst. In the case of the reaction with PS-PdNPs, the leached Pd species is the catalytically active species and the reaction takes place through a similar reaction pathway accepted in the case of a complex catalyst. In contrast, allylic arylation using PS-PdONPs as a catalyst occurs via a Pd(II) catalytic cycle.
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Affiliation(s)
- Atsushi Ohtaka
- Department
of Applied Chemistry, Faculty of Engineering, Osaka Institute of Technology, 5-16-1 Ohmiya, Asahi, Osaka 535-8585, Japan
| | - Misa Kawase
- Department
of Applied Chemistry, Faculty of Engineering, Osaka Institute of Technology, 5-16-1 Ohmiya, Asahi, Osaka 535-8585, Japan
| | - Akira Usami
- Department
of Applied Chemistry, Faculty of Engineering, Osaka Institute of Technology, 5-16-1 Ohmiya, Asahi, Osaka 535-8585, Japan
| | - Shiho Fukui
- Department
of Applied Chemistry, Faculty of Engineering, Osaka Institute of Technology, 5-16-1 Ohmiya, Asahi, Osaka 535-8585, Japan
| | - Mana Yamashita
- Department
of Applied Chemistry, Faculty of Engineering, Osaka Institute of Technology, 5-16-1 Ohmiya, Asahi, Osaka 535-8585, Japan
| | - Kazuki Yamaguchi
- Department
of Applied Chemistry, Faculty of Engineering, Osaka Institute of Technology, 5-16-1 Ohmiya, Asahi, Osaka 535-8585, Japan
| | - Akira Sakon
- Department
of Applied Chemistry, Faculty of Engineering, Osaka Institute of Technology, 5-16-1 Ohmiya, Asahi, Osaka 535-8585, Japan
| | - Tomoya Shiraki
- Department
of Applied Chemistry, Faculty of Engineering, Osaka Institute of Technology, 5-16-1 Ohmiya, Asahi, Osaka 535-8585, Japan
| | - Taiki Ishida
- Department
of Applied Chemistry, Faculty of Engineering, Osaka Institute of Technology, 5-16-1 Ohmiya, Asahi, Osaka 535-8585, Japan
| | - Soma Nagata
- Department
of Applied Chemistry, Faculty of Engineering, Osaka Institute of Technology, 5-16-1 Ohmiya, Asahi, Osaka 535-8585, Japan
| | - Yuji Kimura
- Department
of Applied Chemistry, Faculty of Engineering, Osaka Institute of Technology, 5-16-1 Ohmiya, Asahi, Osaka 535-8585, Japan
| | - Go Hamasaka
- Institute
for Molecular Science (IMS), Higashiyama 5-1, Myodaiji, Okazaki 444-8787, Japan
| | - Yasuhiro Uozumi
- Institute
for Molecular Science (IMS), Higashiyama 5-1, Myodaiji, Okazaki 444-8787, Japan
| | - Tsutomu Shinagawa
- Osaka
Municipal Technical Research Institute, 1-6-50 Morinomiya, Joto, Osaka 536-8553, Japan
| | - Osamu Shimomura
- Department
of Applied Chemistry, Faculty of Engineering, Osaka Institute of Technology, 5-16-1 Ohmiya, Asahi, Osaka 535-8585, Japan
| | - Ryôki Nomura
- Department
of Applied Chemistry, Faculty of Engineering, Osaka Institute of Technology, 5-16-1 Ohmiya, Asahi, Osaka 535-8585, Japan
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15
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Luo H, Hu G, Li P. Sulfur-Mediated Allylic C-H Arylation, Epoxidation, and Aziridination. J Org Chem 2019; 84:10569-10578. [PMID: 31287687 DOI: 10.1021/acs.joc.9b01438] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Transition-metal-free, sulfur-mediated allylic C-H arylation, epoxidation, and aziridination were realized through one-pot procedures. The reaction design involved initial addition between olefins and triflic anhydride activated sulfoxides, followed by subsequent reactions of the allylic sulfur ylides generated under basic conditions with arylboronic acids, aldehydes, or aldimines, to give allylic arylation, epoxidation, or aziridination products, respectively.
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Affiliation(s)
- Hang Luo
- State Key Laboratory of Chemical Resource Engineering, Department of Organic Chemistry, Faculty of Science , Beijing University of Chemical Technology , Beijing 100029 , China
| | - Gang Hu
- State Key Laboratory of Chemical Resource Engineering, Department of Organic Chemistry, Faculty of Science , Beijing University of Chemical Technology , Beijing 100029 , China.,Department of Chemistry , Baotou Teacher's College , Baotou 014030 , China
| | - Pingfan Li
- State Key Laboratory of Chemical Resource Engineering, Department of Organic Chemistry, Faculty of Science , Beijing University of Chemical Technology , Beijing 100029 , China
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Fernandes RA, Nallasivam JL. Catalytic allylic functionalization via π-allyl palladium chemistry. Org Biomol Chem 2019; 17:8647-8672. [DOI: 10.1039/c9ob01725a] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
This review highlights the palladium-catalyzed allylic C–H functionalizations via π-allyl palladium reported from early 2014 to present date.
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Affiliation(s)
- Rodney A. Fernandes
- Department of Chemistry
- Indian Institute of Technology Bombay
- Mumbai 400076
- India
| | - Jothi L. Nallasivam
- Department of Chemistry
- Indian Institute of Technology Bombay
- Mumbai 400076
- India
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17
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Karimpour T, Safaei E, Karimi B. A supported manganese complex with amine-bis(phenol) ligand for catalytic benzylic C(sp3)–H bond oxidation. RSC Adv 2019; 9:14343-14351. [PMID: 35519312 PMCID: PMC9064044 DOI: 10.1039/c9ra02284h] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2019] [Accepted: 04/25/2019] [Indexed: 12/14/2022] Open
Abstract
With regards to the importance of direct and selective activation of C–H bonds in oxidation processes, we develop a supported manganese amine bis(phenol) ligand complex as a novel catalyst with the aim of obtaining valuable products such as carboxylic acids and ketones that have an important role in life, industry and academic laboratories. We further analyzed and characterized the catalyst using the HRTEM, SEM, FTIR, TGA, VSM, XPS, XRD, AAS, and elemental analysis (CHN) techniques. Also, the catalytic evaluation of our system for direct oxidation of benzylic C–H bonds under solvent-free condition demonstrated that the heterogeneous form of our catalyst has high efficiency in comparison with homogeneous ones due to more stability of the supported complex. Furthermore, the structural and morphological stability of our efficient recyclable catalytic system has been investigated and all of the data proved that the complex was firmly anchored to the magnetite nanoparticles. An environmentally friendly and efficient catalyst containing three interesting parts, Mn, the amine bis(phenolate) ligand (H3LGDC) and the magnetic nanoparticles for benzylic C–H bond oxidation.![]()
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Affiliation(s)
- Touraj Karimpour
- Department of Chemistry
- Institute for Advanced Studies in Basic Sciences (IASBS)
- Zanjan
- Iran
| | - Elham Safaei
- Department of Chemistry
- College of Sciences
- Shiraz University Shiraz
- Iran
| | - Babak Karimi
- Department of Chemistry
- Institute for Advanced Studies in Basic Sciences (IASBS)
- Zanjan
- Iran
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18
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Knecht T, Pinkert T, Dalton T, Lerchen A, Glorius F. Cp*RhIII-Catalyzed Allyl–Aryl Coupling of Olefins and Arylboron Reagents Enabled by C(sp3)–H Activation. ACS Catal 2018. [DOI: 10.1021/acscatal.8b04677] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Tobias Knecht
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstrasse 40, 48149 Münster, Germany
| | - Tobias Pinkert
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstrasse 40, 48149 Münster, Germany
| | - Toryn Dalton
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstrasse 40, 48149 Münster, Germany
| | - Andreas Lerchen
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstrasse 40, 48149 Münster, Germany
| | - Frank Glorius
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstrasse 40, 48149 Münster, Germany
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19
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Gómez JE, Guo W, Gaspa S, Kleij AW. Copper-Catalyzed Synthesis of γ-Amino Acids Featuring Quaternary Stereocenters. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201709511] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- José Enrique Gómez
- Institute of Chemical Research of Catalonia (ICIQ); the Barcelona Institute of Science and Technology; Av. Països Catalans 16 43007 Tarragona Spain
| | - Wusheng Guo
- Institute of Chemical Research of Catalonia (ICIQ); the Barcelona Institute of Science and Technology; Av. Països Catalans 16 43007 Tarragona Spain
| | - Silvia Gaspa
- Institute of Chemical Research of Catalonia (ICIQ); the Barcelona Institute of Science and Technology; Av. Països Catalans 16 43007 Tarragona Spain
| | - Arjan W. Kleij
- Institute of Chemical Research of Catalonia (ICIQ); the Barcelona Institute of Science and Technology; Av. Països Catalans 16 43007 Tarragona Spain
- Catalan Institute of Research and Advanced Studies (ICREA); Pg. Lluís Companys 23 08010 Barcelona Spain
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20
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Gómez JE, Guo W, Gaspa S, Kleij AW. Copper-Catalyzed Synthesis of γ-Amino Acids Featuring Quaternary Stereocenters. Angew Chem Int Ed Engl 2017; 56:15035-15038. [DOI: 10.1002/anie.201709511] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2017] [Indexed: 01/13/2023]
Affiliation(s)
- José Enrique Gómez
- Institute of Chemical Research of Catalonia (ICIQ); the Barcelona Institute of Science and Technology; Av. Països Catalans 16 43007 Tarragona Spain
| | - Wusheng Guo
- Institute of Chemical Research of Catalonia (ICIQ); the Barcelona Institute of Science and Technology; Av. Països Catalans 16 43007 Tarragona Spain
| | - Silvia Gaspa
- Institute of Chemical Research of Catalonia (ICIQ); the Barcelona Institute of Science and Technology; Av. Països Catalans 16 43007 Tarragona Spain
| | - Arjan W. Kleij
- Institute of Chemical Research of Catalonia (ICIQ); the Barcelona Institute of Science and Technology; Av. Països Catalans 16 43007 Tarragona Spain
- Catalan Institute of Research and Advanced Studies (ICREA); Pg. Lluís Companys 23 08010 Barcelona Spain
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21
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Chen C, Shen X, Chen J, Hong X, Lu Z. Iron-Catalyzed Hydroboration of Vinylcyclopropanes. Org Lett 2017; 19:5422-5425. [DOI: 10.1021/acs.orglett.7b02691] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Chenhui Chen
- Department of Chemistry, Zhejiang University, Hangzhou 310027, China
| | - Xuzhong Shen
- Department of Chemistry, Zhejiang University, Hangzhou 310027, China
| | - Jianhui Chen
- Department of Chemistry, Zhejiang University, Hangzhou 310027, China
| | - Xin Hong
- Department of Chemistry, Zhejiang University, Hangzhou 310027, China
| | - Zhan Lu
- Department of Chemistry, Zhejiang University, Hangzhou 310027, China
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22
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Dai Y, Liu Y, Sun B, Yang S, Tian H. Enantioselective syntheses and sensory properties of 2-Alken-4-olides. FLAVOUR FRAG J 2017. [DOI: 10.1002/ffj.3415] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Yifeng Dai
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Key laboratory of Flavor Chemistry; Beijing Technology and Business University; Beijing China 100048
- Guizhou University; Guizhou China 550025
| | - Yongguo Liu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Key laboratory of Flavor Chemistry; Beijing Technology and Business University; Beijing China 100048
| | - Baoguo Sun
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Key laboratory of Flavor Chemistry; Beijing Technology and Business University; Beijing China 100048
| | - Shaoxiang Yang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Key laboratory of Flavor Chemistry; Beijing Technology and Business University; Beijing China 100048
| | - Hongyu Tian
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Key laboratory of Flavor Chemistry; Beijing Technology and Business University; Beijing China 100048
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23
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De Bonis A, D'Orsi R, Funicello M, Lupattelli P, Santagata A, Teghil R, Chiummiento L. First application of homogeneous Pd nanoparticles prepared by pulsed laser ablation in liquid to a Suzuki-type reaction. CATAL COMMUN 2017. [DOI: 10.1016/j.catcom.2017.06.052] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
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24
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Fernandes RA, Kattanguru P, Halle MB, Kunkalkar RA. Evolution of Total Syntheses of β-Hydroxy-γ-Lactones: Cardiobutanolide and Hagen's Gland Lactones. ChemistrySelect 2017. [DOI: 10.1002/slct.201700862] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Rodney A. Fernandes
- Department of Chemistry Indian; Institute of Technology Bombay Powai; Mumbai 400076, Maharashtra India
| | - Pullaiah Kattanguru
- Department of Chemistry Indian; Institute of Technology Bombay Powai; Mumbai 400076, Maharashtra India
| | - Mahesh B. Halle
- Department of Chemistry Indian; Institute of Technology Bombay Powai; Mumbai 400076, Maharashtra India
| | - Rupesh A. Kunkalkar
- Department of Chemistry Indian; Institute of Technology Bombay Powai; Mumbai 400076, Maharashtra India
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