1
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Zhu CF, Tian Y, Mai JJ, Shi M, Dong X, Shen D, Shen MH, Xu HD. Cobalt-Catalyzed Synthesis of Alkenyl Heterocycles via Regioselective Intramolecular 1,4-Hydrofunctionalization of Dienes. Org Lett 2024; 26:8260-8266. [PMID: 39321353 DOI: 10.1021/acs.orglett.4c02884] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/27/2024]
Abstract
We report a novel cobalt-catalyzed intramolecular 1,4-hydrofunctionalization of dienes. The reaction proceeds under mild conditions and is amenable to N- and O-nucleophiles. The protocol exhibits exclusive regioselectivity, yielding a number of different alkenyl heterocycles, including but not limited to dihydroisobenzofurans, isochromanes, tetrahydrofurans, morpholines, lactones, and isoindolines. Experimental studies were performed to offer some insight into the different mechanistic pathways and to rationalize the regio- and stereoselectivities of the reaction.
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Affiliation(s)
- Chi-Fan Zhu
- School of Pharmacy, Changzhou University, Changzhou, Jiangsu 213164, China
| | - Yuan Tian
- School of Pharmacy, Changzhou University, Changzhou, Jiangsu 213164, China
| | - Jun-Ju Mai
- School of Pharmacy, Changzhou University, Changzhou, Jiangsu 213164, China
| | - Mingyuan Shi
- School of Pharmacy, Changzhou University, Changzhou, Jiangsu 213164, China
| | - Xiasen Dong
- School of Pharmacy, Changzhou University, Changzhou, Jiangsu 213164, China
| | - Dongping Shen
- School of Pharmacy, Changzhou University, Changzhou, Jiangsu 213164, China
| | - Mei-Hua Shen
- School of Pharmacy, Changzhou University, Changzhou, Jiangsu 213164, China
| | - Hua-Dong Xu
- School of Pharmacy, Changzhou University, Changzhou, Jiangsu 213164, China
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2
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Aksenov AV, Makieva DC, Arestov RA, Arutiunov NA, Aksenov DA, Aksenov NA, Leontiev AV, Aksenova IV. Metal-Free, PPA-Mediated Fisher Indole Synthesis via Tandem Hydroamination-Cyclization Reaction between Simple Alkynes and Arylhydrazines. Int J Mol Sci 2024; 25:8750. [PMID: 39201437 PMCID: PMC11354626 DOI: 10.3390/ijms25168750] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2024] [Revised: 08/08/2024] [Accepted: 08/09/2024] [Indexed: 09/02/2024] Open
Abstract
A new variant of Fisher indole synthesis involving Bronsted acid-catalyzed hydrohydrazination of unactivated terminal and internal acetylenes with arylhydrazines is reported. The use of polyphosphoric acid alone either as the reaction medium or in the presence of a co-solvent appears to provide the required balance for activating the C-C triple bond towards the nucleophilic attack of the hydrazine moiety without unrepairable reactivity loss of the latter due to competing amino group protonation. Additionally, the formal hydration of acetylenes to the corresponding ketones occurs under the same conditions, making it an alternative approach for generating carbonyl groups from alkynes.
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Affiliation(s)
- Alexander V. Aksenov
- Department of Chemistry, North Caucasus Federal University, 1a Pushkin St., 355017 Stavropol, Russia (N.A.A.); (D.A.A.)
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3
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Cui B, Zheng Y, Sun H, Shang H, Du M, Shang Y, Yavuz CT. Catalytic enantioselective intramolecular hydroamination of alkenes using chiral aprotic cyclic urea ligand on manganese (II). Nat Commun 2024; 15:6647. [PMID: 39103345 DOI: 10.1038/s41467-024-50757-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Accepted: 07/18/2024] [Indexed: 08/07/2024] Open
Abstract
Asymmetric catalysis for enantioselective intramolecular hydroamination of alkenes is a critical method in the construction of enantioenriched nitrogen-containing rings, often prevalent in biologically active compounds and natural products. Herein, we demonstrate a facile enantioselective intramolecular hydroamination of alkenes for the synthesis of chiral pyrrolidine, piperidine, and indoline moieties, using a manganese (II) chiral aprotic cyclic urea catalyst. The cyclic ligand hinders the inversion of the N atom of the urea and effectively discriminate between the enantiomers of substrates. High-resolution mass spectrometry, deuterium labeling experiments, and molecular orbital energy analysis clearly reveal the intermediates and mechanism of the transformation. As a key step, oxygen coordination by chiral aprotic urea presents a robust control over the asymmetric intra-HA reaction through the involvement of a convergent assembly of two vital intermediates (Mn-N and C-Mn-Br), providing access to chiral cyclic amine systems in high yields with excellent enantioselectivity.
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Affiliation(s)
- Bin Cui
- Manganese Catalysis and Asymmetric Synthesis Laboratory, College of Chemistry and Pharmaceutical Engineering, Hebei University of Science and Technology, Shijiazhuang, P. R. China
| | - Yuting Zheng
- Manganese Catalysis and Asymmetric Synthesis Laboratory, College of Chemistry and Pharmaceutical Engineering, Hebei University of Science and Technology, Shijiazhuang, P. R. China
| | - Hui Sun
- Manganese Catalysis and Asymmetric Synthesis Laboratory, College of Chemistry and Pharmaceutical Engineering, Hebei University of Science and Technology, Shijiazhuang, P. R. China.
| | - Huijian Shang
- Manganese Catalysis and Asymmetric Synthesis Laboratory, College of Chemistry and Pharmaceutical Engineering, Hebei University of Science and Technology, Shijiazhuang, P. R. China
| | - Man Du
- Manganese Catalysis and Asymmetric Synthesis Laboratory, College of Chemistry and Pharmaceutical Engineering, Hebei University of Science and Technology, Shijiazhuang, P. R. China
| | - Yuxuan Shang
- Oxide & Organic Nanomaterials for Energy & Environment Laboratory, Physical Science & Engineering (PSE), King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia.
| | - Cafer T Yavuz
- Oxide & Organic Nanomaterials for Energy & Environment Laboratory, Physical Science & Engineering (PSE), King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia.
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4
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Huang Y, Li X, Mai BK, Tonogai EJ, Smith AJ, Hergenrother PJ, Liu P, Hoveyda AH. A catalytic process enables efficient and programmable access to precisely altered indole alkaloid scaffolds. Nat Chem 2024; 16:1003-1014. [PMID: 38374457 PMCID: PMC11328697 DOI: 10.1038/s41557-024-01455-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2023] [Accepted: 01/18/2024] [Indexed: 02/21/2024]
Abstract
A compound's overall contour impacts its ability to elicit biological response, rendering access to distinctly shaped molecules desirable. A natural product's framework can be modified, but only if it is abundant and contains suitably modifiable functional groups. Here we introduce a programmable strategy for concise synthesis of precisely altered scaffolds of scarce bridged polycyclic alkaloids. Central to our approach is a scalable catalytic multi-component process that delivers diastereo- and enantiomerically enriched tertiary homoallylic alcohols bearing differentiable alkenyl moieties. We used one product to launch progressively divergent syntheses of a naturally occurring alkaloid and its precisely expanded, contracted and/or distorted framework analogues (average number of steps/scaffold of seven). In vitro testing showed that a skeleton expanded by one methylene in two regions is cytotoxic against four types of cancer cell line. Mechanistic and computational studies offer an account for several unanticipated selectivity trends.
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Affiliation(s)
- Youming Huang
- Supramolecular Science and Engineering Institute, University of Strasbourg, CNRS, Strasbourg, France
- Department of Chemistry, Merkert Chemistry Center, Boston College, Chestnut Hill, MA, USA
| | - Xinghan Li
- Supramolecular Science and Engineering Institute, University of Strasbourg, CNRS, Strasbourg, France
- Department of Chemistry, Merkert Chemistry Center, Boston College, Chestnut Hill, MA, USA
| | - Binh Khanh Mai
- Department of Chemistry, University of Pittsburgh, Pittsburgh, PA, USA
| | - Emily J Tonogai
- Department of Chemistry, Carl Woese Institute for Genomic Biology, University of Illinois, Urbana, IL, USA
| | - Amanda J Smith
- Department of Chemistry, Carl Woese Institute for Genomic Biology, University of Illinois, Urbana, IL, USA
| | - Paul J Hergenrother
- Department of Chemistry, Carl Woese Institute for Genomic Biology, University of Illinois, Urbana, IL, USA.
- Cancer Center at Illinois, University of Illinois, Urbana, IL, USA.
| | - Peng Liu
- Department of Chemistry, University of Pittsburgh, Pittsburgh, PA, USA.
| | - Amir H Hoveyda
- Supramolecular Science and Engineering Institute, University of Strasbourg, CNRS, Strasbourg, France.
- Department of Chemistry, Merkert Chemistry Center, Boston College, Chestnut Hill, MA, USA.
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5
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Lindner H, Amberg WM, Martini T, Fischer DM, Moore E, Carreira EM. Photo- and Cobalt-Catalyzed Synthesis of Heterocycles via Cycloisomerization of Unactivated Olefins. Angew Chem Int Ed Engl 2024; 63:e202319515. [PMID: 38415968 DOI: 10.1002/anie.202319515] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Revised: 02/19/2024] [Accepted: 02/21/2024] [Indexed: 02/29/2024]
Abstract
We report a general, intramolecular cycloisomerization of unactivated olefins with pendant nucleophiles. The reaction proceeds under mild conditions and tolerates ethers, esters, protected amines, acetals, pyrazoles, carbamates, and arenes. It is amenable to N-, O-, as well as C-nucleophiles, yielding a number of different heterocycles including, but not limited to, pyrrolidines, piperidines, oxazolidinones, and lactones. Use of both a benzothiazinoquinoxaline as organophotocatalyst and a Co-salen catalyst obviates the need for stoichiometric oxidant or reductant. We showcase the utility of the protocol in late-stage drug diversification and synthesis of several small natural products.
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Affiliation(s)
- Henry Lindner
- Department of Chemistry and Applied Biosciences, ETH Zürich, Vladimir-Prelog-Weg 3, 8093, Zürich, Switzerland
| | - Willi M Amberg
- Department of Chemistry and Applied Biosciences, ETH Zürich, Vladimir-Prelog-Weg 3, 8093, Zürich, Switzerland
| | - Tristano Martini
- Department of Chemistry and Applied Biosciences, ETH Zürich, Vladimir-Prelog-Weg 3, 8093, Zürich, Switzerland
| | - David M Fischer
- Department of Chemistry and Applied Biosciences, ETH Zürich, Vladimir-Prelog-Weg 3, 8093, Zürich, Switzerland
| | - Eléonore Moore
- Department of Chemistry and Applied Biosciences, ETH Zürich, Vladimir-Prelog-Weg 3, 8093, Zürich, Switzerland
| | - Erick M Carreira
- Department of Chemistry and Applied Biosciences, ETH Zürich, Vladimir-Prelog-Weg 3, 8093, Zürich, Switzerland
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6
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Tufano E, Lee E, Barilli M, Casali E, Oštrek A, Jung H, Morana M, Kang J, Kim D, Chang S, Zanoni G. Iridium Acylnitrenoid-Initiated Biomimetic Cascade Cyclizations: Stereodefined Access to Polycyclic δ-Lactams. J Am Chem Soc 2023. [PMID: 37926946 DOI: 10.1021/jacs.3c08331] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2023]
Abstract
Ring-fused azacyclic compounds are important building units in the synthesis of biorelevant natural products, pharmaceutical agents, and molecular materials. Herein, we present a new approach to these condensed azacycles by a biomimetic cascade cyclization of arylalkenyl dioxazolones. This cascade reaction was found to proceed with excellent stereoselectivity and a high functional group tolerance. The substrate scope of arylalkenyl dioxazolones turned out to be highly flexible and extendable to additional terminating subunits, such as heteroaryl and alkynyl moieties. This biomimetic cyclization was elucidated to be initiated by an intramolecular transfer of the in situ generated electrophilic Ir-acylnitrenoid to the tethered olefinic double bond, leading to a key N-acylaziridine intermediate, which is in turn reacted with pendant (hetero)arenes or alkynes in a highly regio- and stereoselective manner to produce ring-fused azacyclic compounds.
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Affiliation(s)
- Eleonora Tufano
- Department of Chemistry, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy
| | - Euijae Lee
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Korea
- Center for Catalytic Hydrocarbon Functionalizations, Institute for Basic Science (IBS), Daejeon 34141, Korea
| | - Matteo Barilli
- Department of Chemistry, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy
| | - Emanuele Casali
- Department of Chemistry, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy
| | - Andraž Oštrek
- Department of Chemistry, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy
| | - Hoimin Jung
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Korea
- Center for Catalytic Hydrocarbon Functionalizations, Institute for Basic Science (IBS), Daejeon 34141, Korea
| | - Marta Morana
- Department of Earth Science, University of Firenze, Via G. La Pira 4, 50121 Firenze, Italy
| | - Jihye Kang
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Korea
- Center for Catalytic Hydrocarbon Functionalizations, Institute for Basic Science (IBS), Daejeon 34141, Korea
| | - Dongwook Kim
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Korea
- Center for Catalytic Hydrocarbon Functionalizations, Institute for Basic Science (IBS), Daejeon 34141, Korea
| | - Sukbok Chang
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Korea
- Center for Catalytic Hydrocarbon Functionalizations, Institute for Basic Science (IBS), Daejeon 34141, Korea
| | - Giuseppe Zanoni
- Department of Chemistry, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy
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7
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Escorihuela J, Lledós A, Ujaque G. Anti-Markovnikov Intermolecular Hydroamination of Alkenes and Alkynes: A Mechanistic View. Chem Rev 2023; 123:9139-9203. [PMID: 37406078 PMCID: PMC10416226 DOI: 10.1021/acs.chemrev.2c00482] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Indexed: 07/07/2023]
Abstract
Hydroamination, the addition of an N-H bond across a C-C multiple bond, is a reaction with a great synthetic potential. Important advances have been made in the last decades concerning catalysis of these reactions. However, controlling the regioselectivity in the amine addition toward the formation of anti-Markovnikov products (addition to the less substituted carbon) still remains a challenge, particularly in intermolecular hydroaminations of alkenes and alkynes. The goal of this review is to collect the systems in which intermolecular hydroamination of terminal alkynes and alkenes with anti-Markovnikov regioselectivity has been achieved. The focus will be placed on the mechanistic aspects of such reactions, to discern the step at which regioselectivity is decided and to unravel the factors that favor the anti-Markovnikov regioselectivity. In addition to the processes entailing direct addition of the amine to the C-C multiple bond, alternative pathways, involving several reactions to accomplish anti-Markovnikov regioselectivity (formal hydroamination processes), will also be discussed in this review. The catalysts gathered embrace most of the metal groups of the Periodic Table. Finally, a section discussing radical-mediated and metal-free approaches, as well as heterogeneous catalyzed processes, is also included.
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Affiliation(s)
- Jorge Escorihuela
- Departament
de Química Orgànica, Universitat
de València, 46100 Burjassot, Valencia, Spain
| | - Agustí Lledós
- Departament
de Química and Centro de Innovación en Química
Avanzada (ORFEO-CINQA), Universitat Autònoma
de Barcelona, 08193 Cerdanyola del Vallès, Barcelona, Catalonia, Spain
| | - Gregori Ujaque
- Departament
de Química and Centro de Innovación en Química
Avanzada (ORFEO-CINQA), Universitat Autònoma
de Barcelona, 08193 Cerdanyola del Vallès, Barcelona, Catalonia, Spain
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8
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Notz S, Scharf S, Lang H. Jumping in the Chiral Pool: Asymmetric Hydroaminations with Early Metals. Molecules 2023; 28:molecules28062702. [PMID: 36985673 PMCID: PMC10058505 DOI: 10.3390/molecules28062702] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 03/03/2023] [Accepted: 03/06/2023] [Indexed: 03/19/2023] Open
Abstract
The application of early-metal-based catalysts featuring natural chiral pool motifs, such as amino acids, terpenes and alkaloids, in hydroamination reactions is discussed and compared to those beyond the chiral pool. In particular, alkaline (Li), alkaline earth (Mg, Ca), rare earth (Y, La, Nd, Sm, Lu), group IV (Ti, Zr, Hf) metal-, and tantalum-based catalytic systems are described, which in recent years improved considerably and have become more practical in their usability. Additional emphasis is directed towards their catalytic performance including yields and regio- as well as stereoselectivity in comparison with the group IV and V transition metals and more widely used rare earth metal-based catalysts.
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9
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Substrate-Dependent Selectivity in Sc(OTf)3-Catalyzed Cyclization of Alkenoic Acids and N-Protected Alkenamides. Catalysts 2022. [DOI: 10.3390/catal12111481] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Five- and six-membered ring lactones and lactams are ubiquitous frameworks in various natural and synthetic molecules and are key building blocks in organic synthesis. Catalytic addition of an O-H or N-H bond across an unactivated C–C double bond is an appealing approach to rapidly access such highly valuable N- and O-containing skeletons in a waste-free and 100% atom efficient process. Herein, we report, for the first time, the efficient and high-yield cyclization of δ/ε-alkenoic acids and N-protected δ-alkenamides catalyzedby practical and easily accessible Lewis acid scandium(III) triflate under thermal and microwave conditions. The selectivity outcome of the reaction of δ/ε-alkenoic acids was dependent on the substitution patterns of the backbone chain and alkene moiety, leading to the exclusive formation of either the corresponding γ/δ-lactones via an O-selective cyclization or the Friedel–Crafts-type product by C-selective cyclization. An uncommon and rarely disclosed O-selective cyclization occurred preferentially or exclusively when N-protected δ-alkenamides were engaged in the reaction. The atom selectivity of the cyclization was unambiguously confirmed by single crystal X-ray crystallography.
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10
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Reductive amination of n-hexanol to n-hexylamine over Ni-Ce/γ-Al2O3 catalysts. Front Chem Sci Eng 2022. [DOI: 10.1007/s11705-022-2181-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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11
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Pellissier H. Recent developments in enantioselective titanium-catalyzed transformations. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2022.214537] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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12
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Allen MA, Ly HM, O'Keefe GF, Beauchemin AM. A redox-enabled strategy for intramolecular hydroamination. Chem Sci 2022; 13:7264-7268. [PMID: 35799811 PMCID: PMC9214914 DOI: 10.1039/d2sc00481j] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Accepted: 05/27/2022] [Indexed: 12/18/2022] Open
Abstract
Metal- or acid-catalyzed intramolecular hydroamination and Cope-type intramolecular hydroamination, a distinct concerted approach using hydroxylamines, typically suffer from significant synthetic limitations. Herein we report a process for intramolecular hydroamination that uses a redox-enabled strategy relying on efficient in situ generation of hydroxylamines by oxidation, followed by Cope-type hydroamination, then reduction of the resulting pyrrolidine N-oxide. The steps are performed sequentially in a single pot, no catalyst is required, the conditions are mild, the process is highly functional group tolerant, and no chromatography is generally required for isolation. A robustness screen and a gram-scale example further support the practicality of this approach.
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Affiliation(s)
- Meredith A Allen
- Centre for Catalysis Research and Innovation, Department of Chemistry and Biomolecular Sciences, University of Ottawa 10 Marie-Curie Ottawa ON K1N 6N5 Canada
| | - Huy M Ly
- Centre for Catalysis Research and Innovation, Department of Chemistry and Biomolecular Sciences, University of Ottawa 10 Marie-Curie Ottawa ON K1N 6N5 Canada
| | - Geneviève F O'Keefe
- Centre for Catalysis Research and Innovation, Department of Chemistry and Biomolecular Sciences, University of Ottawa 10 Marie-Curie Ottawa ON K1N 6N5 Canada
| | - André M Beauchemin
- Centre for Catalysis Research and Innovation, Department of Chemistry and Biomolecular Sciences, University of Ottawa 10 Marie-Curie Ottawa ON K1N 6N5 Canada
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13
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Wang H, Wang H, Li L, Wang X, Sun R, Zhou M. Ruthenium(II)‐Catalyzed Hydroamination of Allenoates: A Regioselective Synthesis of Allylamines. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202200184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Hua Wang
- School of Petrochemical Engineering Liaoning Petrochemical University Fushun 113001 People's Republic of China
| | - He Wang
- School of Petrochemical Engineering Liaoning Petrochemical University Fushun 113001 People's Republic of China
| | - Lei Li
- School of Petrochemical Engineering Liaoning Petrochemical University Fushun 113001 People's Republic of China
| | - Xin Wang
- School of Petrochemical Engineering Liaoning Petrochemical University Fushun 113001 People's Republic of China
| | - Ran Sun
- School of Petrochemical Engineering Liaoning Petrochemical University Fushun 113001 People's Republic of China
| | - Ming‐Dong Zhou
- School of Petrochemical Engineering Liaoning Petrochemical University Fushun 113001 People's Republic of China
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14
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Ivanov DS, Zaitseva ER, Smirnov AY, Rustamova DA, Mikhaylov AA, Sycheva MA, Gluschenko DA, Baleeva NS, Baranov MS. Chemodivergent Spirocyclization of 2‐Sec‐Aminobenzilidene Imidazolones: Lewis Versus Brønsted Acids Catalysis. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202200109] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Dmitrii S. Ivanov
- Institute of Bioorganic Chemistry Russian Academy of Sciences Miklukho-Maklaya 16/10 117997 Moscow Russia
| | - Elvira R. Zaitseva
- Institute of Bioorganic Chemistry Russian Academy of Sciences Miklukho-Maklaya 16/10 117997 Moscow Russia
| | - Alexander Yu. Smirnov
- Institute of Bioorganic Chemistry Russian Academy of Sciences Miklukho-Maklaya 16/10 117997 Moscow Russia
- Pirogov Russian National Research Medical University Ostrovitianov 1 117997 Moscow Russia
| | - Dina A. Rustamova
- Institute of Bioorganic Chemistry Russian Academy of Sciences Miklukho-Maklaya 16/10 117997 Moscow Russia
| | - Andrey A. Mikhaylov
- Institute of Bioorganic Chemistry Russian Academy of Sciences Miklukho-Maklaya 16/10 117997 Moscow Russia
| | - Maria A. Sycheva
- Institute of Bioorganic Chemistry Russian Academy of Sciences Miklukho-Maklaya 16/10 117997 Moscow Russia
| | - Darya A. Gluschenko
- Institute of Bioorganic Chemistry Russian Academy of Sciences Miklukho-Maklaya 16/10 117997 Moscow Russia
| | - Nadezhda S. Baleeva
- Institute of Bioorganic Chemistry Russian Academy of Sciences Miklukho-Maklaya 16/10 117997 Moscow Russia
- Pirogov Russian National Research Medical University Ostrovitianov 1 117997 Moscow Russia
| | - Mikhail S. Baranov
- Institute of Bioorganic Chemistry Russian Academy of Sciences Miklukho-Maklaya 16/10 117997 Moscow Russia
- Pirogov Russian National Research Medical University Ostrovitianov 1 117997 Moscow Russia
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15
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Navarro M, Alférez MG, de Sousa M, Miranda-Pizarro J, Campos J. Dicoordinate Au(I)-Ethylene Complexes as Hydroamination Catalysts. ACS Catal 2022; 12:4227-4241. [PMID: 35391904 PMCID: PMC8981211 DOI: 10.1021/acscatal.1c05823] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Revised: 03/12/2022] [Indexed: 01/22/2023]
Abstract
A series of gold(I)-ethylene π-complexes containing a family of bulky phosphine ligands has been prepared. The use of these sterically congested ligands is crucial to stabilize the gold(I)-ethylene bond and prevent decomposition, boosting up their catalytic performance in the highly underexplored hydroamination of ethylene. The precatalysts bearing the most sterically demanding phosphines showed the best results reaching full conversion to the hydroaminated products under notably mild conditions (1 bar of ethylene pressure at 60 °C). Kinetic analysis together with density functional theory calculations revealed that the assistance of a second molecule of the nucleophile as a proton shuttle is preferred even when using an extremely congested cavity-shaped Au(I) complex. In addition, we have measured a strong primary kinetic isotopic effect that is consistent with the involvement of X-H bond-breaking events in the protodeauration turnover-limiting step.
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Affiliation(s)
- Miquel Navarro
- Departamento
de Química Inorgánica and Centro de Innovación
en Química Avanzada (ORFEO-CINQA), Instituto de Investigaciones Químicas (IIQ), Consejo Superior
de Investigaciones Científicas (CSIC) and University of Sevilla, Sevilla 41092, Spain
| | - Macarena G. Alférez
- Departamento
de Química Inorgánica and Centro de Innovación
en Química Avanzada (ORFEO-CINQA), Instituto de Investigaciones Químicas (IIQ), Consejo Superior
de Investigaciones Científicas (CSIC) and University of Sevilla, Sevilla 41092, Spain
| | - Morgane de Sousa
- Departamento
de Química Inorgánica and Centro de Innovación
en Química Avanzada (ORFEO-CINQA), Instituto de Investigaciones Químicas (IIQ), Consejo Superior
de Investigaciones Científicas (CSIC) and University of Sevilla, Sevilla 41092, Spain
| | - Juan Miranda-Pizarro
- Departamento
de Química Inorgánica and Centro de Innovación
en Química Avanzada (ORFEO-CINQA), Instituto de Investigaciones Químicas (IIQ), Consejo Superior
de Investigaciones Científicas (CSIC) and University of Sevilla, Sevilla 41092, Spain
| | - Jesús Campos
- Departamento
de Química Inorgánica and Centro de Innovación
en Química Avanzada (ORFEO-CINQA), Instituto de Investigaciones Químicas (IIQ), Consejo Superior
de Investigaciones Científicas (CSIC) and University of Sevilla, Sevilla 41092, Spain
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16
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Wu J, Darcel C. Tandem Fe/Zn or Fe/In catalysis for the selective synthesis of primary and secondary amines via selective reduction of primary amides. ChemCatChem 2022. [DOI: 10.1002/cctc.202101874] [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)
- Jiajun Wu
- Universite de Rennes 1 Institut des Sciences Chimiques de Rennes, OMC team 263 aveneue fu Général LeclercBat 10C 35042 Rennes FRANCE
| | - Christophe Darcel
- Universite de Rennes 1 Institut des Sciences Chimiques de Rennes Avenue du Général LeclercCampus de Beaulieu, Bat 10C, bureau 040 35000 Rennes FRANCE
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17
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Malapit CA, Prater MB, Cabrera-Pardo JR, Li M, Pham TD, McFadden TP, Blank S, Minteer SD. Advances on the Merger of Electrochemistry and Transition Metal Catalysis for Organic Synthesis. Chem Rev 2022; 122:3180-3218. [PMID: 34797053 PMCID: PMC9714963 DOI: 10.1021/acs.chemrev.1c00614] [Citation(s) in RCA: 101] [Impact Index Per Article: 50.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Synthetic organic electrosynthesis has grown in the past few decades by achieving many valuable transformations for synthetic chemists. Although electrocatalysis has been popular for improving selectivity and efficiency in a wide variety of energy-related applications, in the last two decades, there has been much interest in electrocatalysis to develop conceptually novel transformations, selective functionalization, and sustainable reactions. This review discusses recent advances in the combination of electrochemistry and homogeneous transition-metal catalysis for organic synthesis. The enabling transformations, synthetic applications, and mechanistic studies are presented alongside advantages as well as future directions to address the challenges of metal-catalyzed electrosynthesis.
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Affiliation(s)
- Christian A Malapit
- Department of Chemistry, University of Utah, 315 South 1400 East, Salt Lake City, Utah 84112, United States
| | - Matthew B Prater
- Department of Chemistry, University of Utah, 315 South 1400 East, Salt Lake City, Utah 84112, United States
| | - Jaime R Cabrera-Pardo
- Department of Chemistry, University of Utah, 315 South 1400 East, Salt Lake City, Utah 84112, United States
| | - Min Li
- Department of Chemistry, University of Utah, 315 South 1400 East, Salt Lake City, Utah 84112, United States
| | - Tammy D Pham
- Department of Chemistry, University of Utah, 315 South 1400 East, Salt Lake City, Utah 84112, United States
| | - Timothy Patrick McFadden
- Department of Chemistry, University of Utah, 315 South 1400 East, Salt Lake City, Utah 84112, United States
| | - Skylar Blank
- Department of Chemistry, University of Utah, 315 South 1400 East, Salt Lake City, Utah 84112, United States
| | - Shelley D Minteer
- Department of Chemistry, University of Utah, 315 South 1400 East, Salt Lake City, Utah 84112, United States
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18
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Zeidan N, Bicic S, Mayer RJ, Lebœuf D, Moran J. Hydroarylation of Enamides Enabled by HFIP via a Hexafluoroisopropyl Ether as Iminium Reservoir. Chem Sci 2022; 13:8436-8443. [PMID: 35919727 PMCID: PMC9297520 DOI: 10.1039/d2sc02012b] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Accepted: 06/25/2022] [Indexed: 11/21/2022] Open
Abstract
Here we describe that HFIP greatly expands the scope with respect to both reaction partners of the Brønsted acid-catalyzed hydroarylation of enamides. The reaction is fast and practical and can...
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Affiliation(s)
- Nicolas Zeidan
- Institut de Science et d'Ingénierie Supramoléculaires (ISIS), CNRS UMR 7006, Université de Strasbourg 8 allée Gaspard Monge 67000 Strasbourg France
| | - Sergiu Bicic
- Institut de Science et d'Ingénierie Supramoléculaires (ISIS), CNRS UMR 7006, Université de Strasbourg 8 allée Gaspard Monge 67000 Strasbourg France
| | - Robert J Mayer
- Institut de Science et d'Ingénierie Supramoléculaires (ISIS), CNRS UMR 7006, Université de Strasbourg 8 allée Gaspard Monge 67000 Strasbourg France
| | - David Lebœuf
- Institut de Science et d'Ingénierie Supramoléculaires (ISIS), CNRS UMR 7006, Université de Strasbourg 8 allée Gaspard Monge 67000 Strasbourg France
| | - Joseph Moran
- Institut de Science et d'Ingénierie Supramoléculaires (ISIS), CNRS UMR 7006, Université de Strasbourg 8 allée Gaspard Monge 67000 Strasbourg France
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19
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Wang N, Fan LW, Zhang J, Gu QS, Lin JS, Chen GQ, Liu XY, Yu P. Chiral N-Triflylphosphoramide-Catalyzed Asymmetric Hydroamination of Unactivated Alkenes: A Hetero-Ene Reaction Mechanism. Org Chem Front 2022. [DOI: 10.1039/d1qo01874d] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A highly enantioselective intramolecular hydroamination reaction catalyzed by chiral N-triflylphosphoramide (NTPA) that covers an exceptionally broad substrate scope of isolated unactivated alkenes was recently reported by some of us. Herein...
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20
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Kim K, Lee Y. Copper-Catalyzed Hydroamination of Oxa- and Azabenzonorbornadienes with Pyrazoles. J Org Chem 2021; 87:569-578. [PMID: 34951305 DOI: 10.1021/acs.joc.1c02576] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
An efficient and highly chemo- and stereoselective copper-catalyzed hydroamination of oxa- and azabenzonorbornadienes with various pyrazole derivatives is described. This catalytic process is promoted by the presence of N-heterocyclic carbene ligands and KOt-Bu under mild and simple reaction conditions, and allows for the direct synthesis of new and versatile functionalized oxa(aza)benzonorbornyl pyrazoles starting from readily available oxa(aza)bicyclic alkenes. The synthetic utility of this method was demonstrated by the transformation of the obtained products into pyrazolyl-substituted naphthalenes.
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Affiliation(s)
- Kundo Kim
- Department of Chemistry, Kwangwoon University, Seoul 01897, Republic of Korea
| | - Yunmi Lee
- Department of Chemistry, Kwangwoon University, Seoul 01897, Republic of Korea
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21
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Hidasová D, Pohl R, Císařová I, Jahn U. A Diastereoselective Catalytic Approach to Pentasubstituted Pyrrolidines by Tandem Anionic‐Radical Cross‐Over Reactions. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202101172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Denisa Hidasová
- Institute of Organic Chemistry and Biochemistry Czech Academy of Sciences Flemingovo náměstí 2 166 10 Prague 6 Czech Republic
| | - Radek Pohl
- Institute of Organic Chemistry and Biochemistry Czech Academy of Sciences Flemingovo náměstí 2 166 10 Prague 6 Czech Republic
| | - Ivana Císařová
- Department of Inorganic Chemistry, Faculty of Science Charles University Hlavova 2030/8 128 43 Prague 2 Czech Republic
| | - Ullrich Jahn
- Institute of Organic Chemistry and Biochemistry Czech Academy of Sciences Flemingovo náměstí 2 166 10 Prague 6 Czech Republic
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22
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Abstract
Classical amination methods involve the reaction of a nitrogen nucleophile with an electrophilic carbon center; however, in recent years, umpoled strategies have gained traction where the nitrogen source acts as an electrophile. A wide range of electrophilic aminating agents are now available, and these underpin a range of powerful C-N bond-forming processes. In this Review, we highlight the strategic use of electrophilic aminating agents in total synthesis.
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Affiliation(s)
- Lauren G. O'Neil
- School of ChemistryUniversity of BristolCantock's CloseBristolBS8 1TSUK
- Department of ChemistryUniversity of LiverpoolCrown StreetLiverpoolL69 7ZDUK
| | - John F. Bower
- Department of ChemistryUniversity of LiverpoolCrown StreetLiverpoolL69 7ZDUK
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23
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Affiliation(s)
- Lauren G. O'Neil
- School of Chemistry University of Bristol Cantock's Close Bristol BS8 1TS UK
- Department of Chemistry University of Liverpool Crown Street Liverpool L69 7ZD UK
| | - John F. Bower
- Department of Chemistry University of Liverpool Crown Street Liverpool L69 7ZD UK
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24
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Duarte de Almeida L, Bourriquen F, Junge K, Beller M. Catalytic Formal Hydroamination of Allylic Alcohols Using Manganese PNP-Pincer Complexes. Adv Synth Catal 2021; 363:4177-4181. [PMID: 34690626 PMCID: PMC8519145 DOI: 10.1002/adsc.202100081] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Revised: 03/05/2021] [Indexed: 01/09/2023]
Abstract
Several manganese-PNP pincer catalysts for the formal hydroamination of allylic alcohols are presented. The resulting γ-amino alcohols are selectively obtained in high yields applying Mn-1 in a tandem process under mild conditions.
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Affiliation(s)
| | - Florian Bourriquen
- Leibniz-Institut für Katalyse e.V.Albert-Einstein-Str. 29a18059RostockGermany
| | - Kathrin Junge
- Leibniz-Institut für Katalyse e.V.Albert-Einstein-Str. 29a18059RostockGermany
| | - Matthias Beller
- Leibniz-Institut für Katalyse e.V.Albert-Einstein-Str. 29a18059RostockGermany
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25
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Peng C, Gao Y, Wang P, Zhao Y, Chapagain B, Wang Y, Liu W, Yang Y. Theoretical Exploration of Copper-Catalyzed Mechanisms of Cope-Type Hydroamination of Cyclopropene and Oxime. J Organomet Chem 2021. [DOI: 10.1016/j.jorganchem.2021.121889] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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26
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Bary G, Jamil MI, Arslan M, Ghani L, Ahmed W, Ahmad H, Zaman G, Ayub K, Sajid M, Ahmad R, Huang D, Liu F, Wang Y. Regio- and stereoselective functionalization of alkenes with emphasis on mechanistic insight and sustainability concerns. JOURNAL OF SAUDI CHEMICAL SOCIETY 2021. [DOI: 10.1016/j.jscs.2021.101260] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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27
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Das K, Sarkar K, Maji B. Manganese-Catalyzed Anti-Markovnikov Hydroamination of Allyl Alcohols via Hydrogen-Borrowing Catalysis. ACS Catal 2021. [DOI: 10.1021/acscatal.1c01199] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Kuhali Das
- Department of Chemical Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur 741246, India
| | - Koushik Sarkar
- Department of Chemical Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur 741246, India
| | - Biplab Maji
- Department of Chemical Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur 741246, India
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28
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Chen H, Li Y, Liu S, Xiong Q, Bai R, Wei D, Lan Y. On the mechanism of homogeneous Pt-catalysis: A theoretical view. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2021.213863] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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29
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Earth-Abundant 3d Transition Metal Catalysts for Hydroalkoxylation and Hydroamination of Unactivated Alkenes. Catalysts 2021. [DOI: 10.3390/catal11060674] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
This review summarizes the most noteworthy achievements in the field of C–O and C–N bond formation by hydroalkoxylation and hydroamination reactions on unactivated alkenes (including 1,2- and 1,3-dienes) promoted by earth-abundant 3d transition metal catalysts based on manganese, iron, cobalt, nickel, copper and zinc. The relevant literature from 2012 until early 2021 has been covered.
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30
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Zhao G, Li J, Wang T. Metal‐free Photocatalytic Intermolecular anti‐Markovnikov Hydroamination of Unactivated Alkenes. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100049] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Gaoyuan Zhao
- Department of Chemistry, University at Albany State University of New York 1400 Washington Avenue Albany New York 12222 USA
- Department of Chemistry SUNY Stony Brook 100 Nicolls Road Stony Brook NY 11790 USA
| | - Juncheng Li
- Department of Chemistry, University at Albany State University of New York 1400 Washington Avenue Albany New York 12222 USA
| | - Ting Wang
- Department of Chemistry, University at Albany State University of New York 1400 Washington Avenue Albany New York 12222 USA
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31
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Bender CF, Widenhoefer RA. Mechanism of the Stereomutation of an Azaplatinacyclobutane Complex. Organometallics 2021. [DOI: 10.1021/acs.organomet.1c00054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Christopher F. Bender
- French Family Science Center, Duke University, Durham, North Carolina 27708-0346, United States
| | - Ross A. Widenhoefer
- French Family Science Center, Duke University, Durham, North Carolina 27708-0346, United States
- Department of Chemistry, Duke University, Durham, North Carolina 27708, United States
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32
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Ruthenium (II) β-diketimine as hydroamination catalyst, crystal structure and DFT computations. TRANSIT METAL CHEM 2021. [DOI: 10.1007/s11243-021-00456-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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33
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Fok EY, Show VL, Johnson AR. Intramolecular hydroamination of trisubstituted aminoallenes catalyzed by titanium complexes of diaryl substituted tridentate imine-diols. Polyhedron 2021. [DOI: 10.1016/j.poly.2021.115070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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34
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Qiu Y, Yuan H, Zhang X, Zhang J. Insights into the Chiral Phosphoric Acid-Catalyzed Dynamic Kinetic Asymmetric Hydroamination of Racemic Allenes: An Allyl Carbocation/Phosphate Pair Mechanism. J Org Chem 2021; 86:4121-4130. [PMID: 33617248 DOI: 10.1021/acs.joc.0c02956] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Computational studies of chiral phosphoric acid (CPA)-catalyzed dynamic kinetic asymmetric hydroamination (DyKAH) of racemic allenes show that the reaction proceeds through a catalytic asymmetric model involving a highly reactive π-allylic carbocationic intermediate, generated from a racemic allene through an intermolecular proton transfer mediated by CPA, which also results in a high E/Z selectivity. Moreover, the distortion-interaction, atom in molecule, and electrostatic interaction analyses and space-filling models are employed on the basis of the DyKAH catalyzed by (S)-A5 (reaction 1) or (R)-A2 (reaction 2) to explain the high enantioselectivity and the controlling effects of SPINOL scaffolds on the signs of enantioselectivity. Our calculations indicate that the enantioselectivity of reactions 1 and 2 can be mainly ascribed to the favorable noncovalent interactions within the stronger chiral electrostatic environment created by the phosphoric acid in the preferential transition states. Finally, the effect of (S/R)-SPINOL-based CPAs on the signs of enantioselectivity can be explained by the different combination modes of substrates into the chiral binding pocket of the catalyst controlled by the chirality of SPINOL backbones. Overall, the new insights into the reaction rationalize the outcome and these key factors that affect the product enantioselectivity are important to guide the DyKAHs.
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Affiliation(s)
- Yuting Qiu
- Faculty of Chemistry, Northeast Normal University, Changchun 130024, China
| | - Haiyan Yuan
- Faculty of Chemistry, Northeast Normal University, Changchun 130024, China
| | - Xiaoying Zhang
- Faculty of Chemistry, Northeast Normal University, Changchun 130024, China
| | - Jingping Zhang
- Faculty of Chemistry, Northeast Normal University, Changchun 130024, China
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35
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Foster D, Gao P, Zhang Z, Sipos G, Sobolev AN, Nealon G, Falivene L, Cavallo L, Dorta R. Design, scope and mechanism of highly active and selective chiral NHC-iridium catalysts for the intramolecular hydroamination of a variety of unactivated aminoalkenes. Chem Sci 2021; 12:3751-3767. [PMID: 34163649 PMCID: PMC8179506 DOI: 10.1039/d0sc05884j] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Accepted: 01/04/2021] [Indexed: 01/28/2023] Open
Abstract
Chiral, cationic NHC-iridium complexes are introduced as catalysts for the intramolecular hydroamination reaction of unactivated aminoalkenes. The catalysts show high activity in the construction of a range of 5- and 6-membered N-heterocycles, which are accessed in excellent optical purity, with various functional groups being tolerated with this system. A major deactivation pathway is presented and eliminated by using alternative reaction conditions. A detailed experimental and computational study on the reaction mechanism is performed providing valuable insights into the mode of action of the catalytic system and pointing to future modifications to be made for this catalytic platform.
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Affiliation(s)
- Daven Foster
- Department of Chemistry, School of Molecular Sciences, University of Western Australia M310, 35 Stirling Highway 6009 Perth WA Australia
| | - Pengchao Gao
- Department of Chemistry, School of Molecular Sciences, University of Western Australia M310, 35 Stirling Highway 6009 Perth WA Australia
| | - Ziyun Zhang
- King Abdullah University of Science and Technology (KAUST), Chemical and Life Sciences and Engineering, Kaust Catalysis Center Thuwal 23955-6900 Saudi Arabia
| | - Gellért Sipos
- Department of Chemistry, School of Molecular Sciences, University of Western Australia M310, 35 Stirling Highway 6009 Perth WA Australia
| | - Alexandre N Sobolev
- Centre for Microscopy, Characterisation and Analysis, University of Western Australia 35 Stirling Highway 6009 Perth WA Australia
| | - Gareth Nealon
- Centre for Microscopy, Characterisation and Analysis, University of Western Australia 35 Stirling Highway 6009 Perth WA Australia
| | - Laura Falivene
- King Abdullah University of Science and Technology (KAUST), Chemical and Life Sciences and Engineering, Kaust Catalysis Center Thuwal 23955-6900 Saudi Arabia
| | - Luigi Cavallo
- King Abdullah University of Science and Technology (KAUST), Chemical and Life Sciences and Engineering, Kaust Catalysis Center Thuwal 23955-6900 Saudi Arabia
| | - Reto Dorta
- Department of Chemistry, School of Molecular Sciences, University of Western Australia M310, 35 Stirling Highway 6009 Perth WA Australia
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36
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Yiğit M, Gök Y, Yiğit B, Özeroğlu Çelikal Ö. Rhodium(I) N-Heterocyclic Carbene Complexes as Catalysts for the Anti-Markovnikov Hydroaminations of Styrene. HETEROCYCLES 2021. [DOI: 10.3987/com-21-14430] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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37
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He H, Xu N, Zhang H, Chen B, Hu Z, Guo K, Chun J, Cao S, Zhu Y. Brønsted acid-promoted hydroamination of unsaturated hydrazones: access to biologically important 5-arylpyrazolines. RSC Adv 2021; 11:17340-17345. [PMID: 35479684 PMCID: PMC9033072 DOI: 10.1039/d1ra03043d] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Accepted: 04/29/2021] [Indexed: 12/25/2022] Open
Abstract
A novel and efficient Brønsted acid-promoted hydroamination of hydrazone-tethered olefins has been developed. A variety of pyrazolines have been easily obtained in good to excellent yields with high chemo- and regioselectivity under simple and mild conditions. This method represents a straightforward, facile, and practical approach toward biologically important 5-arylpyrazolines, which are difficult to access by previously reported radical hydroamination of β,γ-unsaturated hydrazones. An efficient, chemo- and regioselective Brønsted acid-promoted hydroamination reaction of hydrazone-tethered olefins towards 5-arylpyrazolines was developed.![]()
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Affiliation(s)
- Han He
- Jiangsu Key Laboratory of Pesticide Science
- Department of Chemistry
- College of Sciences
- Nanjing Agricultural University
- Nanjing 210095
| | - Ning Xu
- Jiangsu Key Laboratory of Pesticide Science
- Department of Chemistry
- College of Sciences
- Nanjing Agricultural University
- Nanjing 210095
| | - Honglin Zhang
- Jiangsu Key Laboratory of Pesticide Science
- Department of Chemistry
- College of Sciences
- Nanjing Agricultural University
- Nanjing 210095
| | - Bin Chen
- Jiangsu Key Laboratory of Pesticide Science
- Department of Chemistry
- College of Sciences
- Nanjing Agricultural University
- Nanjing 210095
| | - Zhengnan Hu
- Jiangsu Key Laboratory of Pesticide Science
- Department of Chemistry
- College of Sciences
- Nanjing Agricultural University
- Nanjing 210095
| | - Kang Guo
- Jiangsu Key Laboratory of Pesticide Science
- Department of Chemistry
- College of Sciences
- Nanjing Agricultural University
- Nanjing 210095
| | - Jianlin Chun
- Jiangsu Key Laboratory of Pesticide Science
- Department of Chemistry
- College of Sciences
- Nanjing Agricultural University
- Nanjing 210095
| | - Shujun Cao
- Jiangsu Key Laboratory of Pesticide Science
- Department of Chemistry
- College of Sciences
- Nanjing Agricultural University
- Nanjing 210095
| | - Yingguang Zhu
- Jiangsu Key Laboratory of Pesticide Science
- Department of Chemistry
- College of Sciences
- Nanjing Agricultural University
- Nanjing 210095
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38
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Teye GK, Darkwah WK, Jingyu H, Ke L, Li Y. Photodegradation of Pharmaceutical and Personal Care Products (PPCPs) and Antibacterial Activity in Water by Transition Metals. REVIEWS OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2021; 254:131-162. [PMID: 32676704 DOI: 10.1007/398_2020_47] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
The intensity of emerging pollutants such as pharmaceuticals and personal care products (PPCPs) in the aquatic and terrestrial environment is a major source of concern to researchers. The current conventional methods of wastewater treatment plants are considered not efficient enough in the complete removal of the recalcitrant contaminants from water. The use of modified transition metals in visible responsive synthesis to degrade PPCPs and other pollutants (organic and inorganic) is considered as a developing green chemistry and sustainable technology. Hence, this review presents the state-of-the-art discussion on the novel photodegradation of PPCPs, and antibacterial activities of transition metal-modified magnetite materials for wastewater treatment, and suggested directions for the future. Transition metal-modified magnetite nanostructured photocatalysis is identified as one of the best candidates employed in advanced oxidation processes (AOPs) for wastewater treatment and has been found to efficiently destroy bacterial spores and effectively remove recalcitrant pollutants in water. Therefore, this article hopes to contribute scientific knowledge along with existing ones on advanced mechanisms and technology used in wastewater treatment.
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Affiliation(s)
- Godfred Kwesi Teye
- Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes, Ministry of Education, College of Environment, Hohai University, Nanjing, People's Republic of China
| | - Williams Kweku Darkwah
- Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes, Ministry of Education, College of Environment, Hohai University, Nanjing, People's Republic of China
| | - Huang Jingyu
- Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes, Ministry of Education, College of Environment, Hohai University, Nanjing, People's Republic of China.
| | - Li Ke
- Department of Civil Engineering, Jilin Jianzhu University, Jilin, People's Republic of China
| | - Yi Li
- Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes, Ministry of Education, College of Environment, Hohai University, Nanjing, People's Republic of China
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39
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Xiao EK, Wu XT, Ma F, Feng X, Chen P, Jiang YJ. Fe(OTf)3- and γ-Cyclodextrin-Catalyzed Hydroamination of Alkenes with Carbazoles. Org Lett 2020; 23:449-453. [DOI: 10.1021/acs.orglett.0c03959] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- En-Kai Xiao
- School of Materials Science and Chemical Engineering, Institute of Drug Discovery Technology, Ningbo University, Ningbo 315211, P. R. China
| | - Xian-Tao Wu
- School of Materials Science and Chemical Engineering, Institute of Drug Discovery Technology, Ningbo University, Ningbo 315211, P. R. China
| | - Feng Ma
- School of Materials Science and Chemical Engineering, Institute of Drug Discovery Technology, Ningbo University, Ningbo 315211, P. R. China
| | - Xiaohua Feng
- Zhejiang Engineering Research Center for Biomedical Materials, Cixi Institute of BioMedical Engineering, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Cixi 315300, P. R. China
| | - Peng Chen
- School of Materials Science and Chemical Engineering, Institute of Drug Discovery Technology, Ningbo University, Ningbo 315211, P. R. China
| | - Yi-Jun Jiang
- School of Materials Science and Chemical Engineering, Institute of Drug Discovery Technology, Ningbo University, Ningbo 315211, P. R. China
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40
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Blieck R, Taillefer M, Monnier F. Metal-Catalyzed Intermolecular Hydrofunctionalization of Allenes: Easy Access to Allylic Structures via the Selective Formation of C–N, C–C, and C–O Bonds. Chem Rev 2020; 120:13545-13598. [DOI: 10.1021/acs.chemrev.0c00803] [Citation(s) in RCA: 92] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Rémi Blieck
- Institut Charles Gerhardt Montpellier UMR 5253, Université Montpellier, CNRS, ENSCM, 8 rue de l’Ecole Normale, Montpellier 34296, Cedex 5, France
| | - Marc Taillefer
- Institut Charles Gerhardt Montpellier UMR 5253, Université Montpellier, CNRS, ENSCM, 8 rue de l’Ecole Normale, Montpellier 34296, Cedex 5, France
| | - Florian Monnier
- Institut Charles Gerhardt Montpellier UMR 5253, Université Montpellier, CNRS, ENSCM, 8 rue de l’Ecole Normale, Montpellier 34296, Cedex 5, France
- Institut Universitaire de France, IUF, 1 rue Descartes, 75231 Paris, cedex 5, France
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41
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Kim K, Park S, Lee Y. KO
t
‐Bu‐Catalyzed Chemo‐ and Regioselective Hydroamination of Allylic Sulfones with Indoles. European J Org Chem 2020. [DOI: 10.1002/ejoc.202001394] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Kundo Kim
- Department of Chemistry Kwangwoon University Seoul 01897, Republic of Korea
| | - Subin Park
- Department of Chemistry Kwangwoon University Seoul 01897, Republic of Korea
| | - Yunmi Lee
- Department of Chemistry Kwangwoon University Seoul 01897, Republic of Korea
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42
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Li Z, Yang S, Thiery G, Gandon V, Bour C. On the Superior Activity of In(I) versus In(III) Cations Toward ortho-C-Alkylation of Anilines and Intramolecular Hydroamination of Alkenes. J Org Chem 2020; 85:12947-12959. [PMID: 32957782 DOI: 10.1021/acs.joc.0c01585] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
An efficient ortho-C-alkylation of unprotected anilines with a variety of styrenes and alkenes using a univalent cationic indium(I) catalyst is reported. Mechanistic studies revealed that the reaction likely proceeds via a tandem hydroamination/Hofmann-Martius rearrangement. The high compatibility between the cationic indium(I) complex and primary anilines led us to develop an In(I)+-catalyzed hydroamination of alkenes using unprotected primary and secondary alkenylamines. Computations support the catalytic activity of naked In(I)+ ions, with an outer sphere mechanism for the C-N bond formation and a potentially inner sphere protodemetallation.
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Affiliation(s)
- Zhilong Li
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO), CNRS UMR 8182, Université Paris-Saclay, Bâtiment 420, Orsay cedex 91405, France
| | - Shengwen Yang
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO), CNRS UMR 8182, Université Paris-Saclay, Bâtiment 420, Orsay cedex 91405, France.,Laboratoire de Chimie Moléculaire (LCM), CNRS UMR 9168, Ecole Polytechnique, Institut Polytechnique de Paris, route de Saclay, Palaiseau, Paris cedex 91128, France
| | - Guillaume Thiery
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO), CNRS UMR 8182, Université Paris-Saclay, Bâtiment 420, Orsay cedex 91405, France
| | - Vincent Gandon
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO), CNRS UMR 8182, Université Paris-Saclay, Bâtiment 420, Orsay cedex 91405, France.,Laboratoire de Chimie Moléculaire (LCM), CNRS UMR 9168, Ecole Polytechnique, Institut Polytechnique de Paris, route de Saclay, Palaiseau, Paris cedex 91128, France
| | - Christophe Bour
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO), CNRS UMR 8182, Université Paris-Saclay, Bâtiment 420, Orsay cedex 91405, France
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43
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Beletskaya IP, Naájera C, Yus M. Catalysis and regioselectivity in hydrofunctionalization reactions of unsaturated carbon bonds. Part II. Hydroamination. RUSSIAN CHEMICAL REVIEWS 2020. [DOI: 10.1070/rcr4953] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
This review continues consideration of the regioselectivity problem in the catalyzed hydrofunctionalization of unsaturated organic compounds and addresses hydroamination of unsaturated hydrocarbons. Particular parts of the review deal with reactions of alkenes, alkynes, allenes and dienes. It is shown that the selectivity of hydroamination depends on the natures of the reactants and the catalyst. Conditions of the reactions are described; in some cases, reaction mechanisms are discussed. Reactions for which divergent regioselectivity is possible are noted.
The bibliography includes 249 references.
Dedicated to the memory of V.V.Markovnikov.
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44
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Xu R, Wang K, Liu H, Tang W, Sun H, Xue D, Xiao J, Wang C. Anti‐Markovnikov Hydroamination of Racemic Allylic Alcohols to Access Chiral γ‐Amino Alcohols. Angew Chem Int Ed Engl 2020; 59:21959-21964. [DOI: 10.1002/anie.202009754] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Indexed: 12/27/2022]
Affiliation(s)
- Ruirui Xu
- Key Laboratory of Applied Surface and Colloid Chemistry Ministry of Education School of Chemistry and Chemical Engineering Shaanxi Normal University Xi'an 710062 China
| | - Kun Wang
- Key Laboratory of Applied Surface and Colloid Chemistry Ministry of Education School of Chemistry and Chemical Engineering Shaanxi Normal University Xi'an 710062 China
| | - Haoying Liu
- Key Laboratory of Applied Surface and Colloid Chemistry Ministry of Education School of Chemistry and Chemical Engineering Shaanxi Normal University Xi'an 710062 China
| | - Weijun Tang
- Key Laboratory of Applied Surface and Colloid Chemistry Ministry of Education School of Chemistry and Chemical Engineering Shaanxi Normal University Xi'an 710062 China
| | - Huaming Sun
- Key Laboratory of Applied Surface and Colloid Chemistry Ministry of Education School of Chemistry and Chemical Engineering Shaanxi Normal University Xi'an 710062 China
| | - Dong Xue
- Key Laboratory of Applied Surface and Colloid Chemistry Ministry of Education School of Chemistry and Chemical Engineering Shaanxi Normal University Xi'an 710062 China
| | - Jianliang Xiao
- Department of Chemistry University of Liverpool Liverpool L69 7ZD UK
| | - Chao Wang
- Key Laboratory of Applied Surface and Colloid Chemistry Ministry of Education School of Chemistry and Chemical Engineering Shaanxi Normal University Xi'an 710062 China
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45
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Xu R, Wang K, Liu H, Tang W, Sun H, Xue D, Xiao J, Wang C. Anti‐Markovnikov Hydroamination of Racemic Allylic Alcohols to Access Chiral γ‐Amino Alcohols. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202009754] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Ruirui Xu
- Key Laboratory of Applied Surface and Colloid Chemistry Ministry of Education School of Chemistry and Chemical Engineering Shaanxi Normal University Xi'an 710062 China
| | - Kun Wang
- Key Laboratory of Applied Surface and Colloid Chemistry Ministry of Education School of Chemistry and Chemical Engineering Shaanxi Normal University Xi'an 710062 China
| | - Haoying Liu
- Key Laboratory of Applied Surface and Colloid Chemistry Ministry of Education School of Chemistry and Chemical Engineering Shaanxi Normal University Xi'an 710062 China
| | - Weijun Tang
- Key Laboratory of Applied Surface and Colloid Chemistry Ministry of Education School of Chemistry and Chemical Engineering Shaanxi Normal University Xi'an 710062 China
| | - Huaming Sun
- Key Laboratory of Applied Surface and Colloid Chemistry Ministry of Education School of Chemistry and Chemical Engineering Shaanxi Normal University Xi'an 710062 China
| | - Dong Xue
- Key Laboratory of Applied Surface and Colloid Chemistry Ministry of Education School of Chemistry and Chemical Engineering Shaanxi Normal University Xi'an 710062 China
| | - Jianliang Xiao
- Department of Chemistry University of Liverpool Liverpool L69 7ZD UK
| | - Chao Wang
- Key Laboratory of Applied Surface and Colloid Chemistry Ministry of Education School of Chemistry and Chemical Engineering Shaanxi Normal University Xi'an 710062 China
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46
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Ahmed W, Zhang S, Feng X, Yu X, Yamamoto Y, Bao M. Cooperative Catalysis of Copper, Silver, and Brønsted Acid for Three‐Component Carboamination of Arylalkenes with Allylic Alcohols and Nitriles. ChemCatChem 2020. [DOI: 10.1002/cctc.202000842] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Waqar Ahmed
- State Key Laboratory of Fine Chemicals Dalian University of Technology Dalian 116023 P. R. China
| | - Sheng Zhang
- State Key Laboratory of Fine Chemicals Dalian University of Technology Dalian 116023 P. R. China
| | - Xiujuan Feng
- State Key Laboratory of Fine Chemicals Dalian University of Technology Dalian 116023 P. R. China
| | - Xiaoqiang Yu
- State Key Laboratory of Fine Chemicals Dalian University of Technology Dalian 116023 P. R. China
| | - Yoshinori Yamamoto
- State Key Laboratory of Fine Chemicals Dalian University of Technology Dalian 116023 P. R. China
- Research Organization of Science and Technology Ritsumeikan University Kusatsu, Shiga 525-8577 Japan
| | - Ming Bao
- State Key Laboratory of Fine Chemicals Dalian University of Technology Dalian 116023 P. R. China
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47
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Wang S, Force G, Guillot R, Carpentier JF, Sarazin Y, Bour C, Gandon V, Lebœuf D. Lewis Acid/Hexafluoroisopropanol: A Promoter System for Selective ortho-C-Alkylation of Anilines with Deactivated Styrene Derivatives and Unactivated Alkenes. ACS Catal 2020. [DOI: 10.1021/acscatal.0c02959] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Shengdong Wang
- Institut de Chimie Moléculaire et des Matériaux d’Orsay (ICMMO), CNRS UMR 8182, Université Paris-Saclay, Bâtiment 420, 91405 Orsay, France
| | - Guillaume Force
- Institut de Chimie Moléculaire et des Matériaux d’Orsay (ICMMO), CNRS UMR 8182, Université Paris-Saclay, Bâtiment 420, 91405 Orsay, France
| | - Régis Guillot
- Institut de Chimie Moléculaire et des Matériaux d’Orsay (ICMMO), CNRS UMR 8182, Université Paris-Saclay, Bâtiment 420, 91405 Orsay, France
| | - Jean-François Carpentier
- Institut des Sciences Chimiques de Rennes (ISCR), Université de Rennes 1, CNRS UMR 6226, 35000 Rennes, France
| | - Yann Sarazin
- Institut des Sciences Chimiques de Rennes (ISCR), Université de Rennes 1, CNRS UMR 6226, 35000 Rennes, France
| | - Christophe Bour
- Institut de Chimie Moléculaire et des Matériaux d’Orsay (ICMMO), CNRS UMR 8182, Université Paris-Saclay, Bâtiment 420, 91405 Orsay, France
| | - Vincent Gandon
- Institut de Chimie Moléculaire et des Matériaux d’Orsay (ICMMO), CNRS UMR 8182, Université Paris-Saclay, Bâtiment 420, 91405 Orsay, France
- Laboratoire de Chimie Moléculaire (LCM), Ecole Polytechnique, Institut Polytechnique de Paris, CNRS UMR 9168, Route de Saclay, 91128 Palaiseau Cedex, France
| | - David Lebœuf
- Institut de Science et d’Ingénierie Supramoléculaires (ISIS), CNRS UMR 7006, Université de Strasbourg, 8 Allée Gaspard Monge, 67000 Strasbourg, France
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48
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Yu ZL, Cheng YF, Jiang NC, Wang J, Fan LW, Yuan Y, Li ZL, Gu QS, Liu XY. Desymmetrization of unactivated bis-alkenes via chiral Brønsted acid-catalysed hydroamination. Chem Sci 2020; 11:5987-5993. [PMID: 34094089 PMCID: PMC8159283 DOI: 10.1039/d0sc00001a] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Although great success has been achieved in catalytic asymmetric hydroamination of unactivated alkenes using transition metal catalysis and organocatalysis, the development of catalytic desymmetrising hydroamination of such alkenes remains a tough challenge in terms of attaining a high level of stereocontrol over both remote sites and reaction centers at the same time. To address this problem, here we report a highly efficient and practical desymmetrising hydroamination of unactivated alkenes catalysed by chiral Brønsted acids with both high diastereoselectivity and enantioselectivity. This method features a remarkably broad alkene scope, ranging from mono-substituted and gem-/1,2-disubstituted to the challenging tri- and tetra-substituted alkenes, to provide access to a variety of diversely functionalized chiral pyrrolidines bearing two congested tertiary or quaternary stereocenters with excellent efficiency under mild and user-friendly synthetic conditions. The key to success is indirect activation of unactivated alkenes by chiral Brønsted acids via a concerted hydroamination mechanism.
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Affiliation(s)
- Zhang-Long Yu
- Shenzhen Grubbs Institute, Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology Shenzhen 518055 China
| | - Yong-Feng Cheng
- Shenzhen Grubbs Institute, Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology Shenzhen 518055 China
| | - Na-Chuan Jiang
- Shenzhen Grubbs Institute, Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology Shenzhen 518055 China
| | - Jian Wang
- Shenzhen Grubbs Institute, Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology Shenzhen 518055 China
| | - Li-Wen Fan
- Shenzhen Grubbs Institute, Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology Shenzhen 518055 China
| | - Yue Yuan
- Shenzhen Grubbs Institute, Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology Shenzhen 518055 China
| | - Zhong-Liang Li
- Academy for Advanced Interdisciplinary Studies, Southern University of Science and Technology Shenzhen 518055 China
| | - Qiang-Shuai Gu
- Academy for Advanced Interdisciplinary Studies, Southern University of Science and Technology Shenzhen 518055 China .,Shenzhen Key Laboratory of Small Molecule Drug Discovery and Synthesis, Department of Chemistry, Southern University of Science and Technology Shenzhen 518055 China
| | - Xin-Yuan Liu
- Shenzhen Grubbs Institute, Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology Shenzhen 518055 China
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49
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Yao H, Xie B, Zhong X, Jin S, Lin S, Yan Z. Copper-catalyzed direct amination of benzylic hydrocarbons and inactive aliphatic alkanes with arylamines. Org Biomol Chem 2020; 18:3263-3268. [PMID: 32301941 DOI: 10.1039/d0ob00491j] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A new synthetic method toward direct C-N bond formation through saturated C-H amination of benzylic hydrocarbons and inactive aliphatic alkanes with primary aromatic amines under an inexpensive catalyst/oxidant (Cu/DTBP) system has been developed. Both aminopyridines and anilines could react smoothly with primary and secondary benzylic C-H substrates or cyclohexane to form the corresponding aromatic secondary amines in moderate to good yields. This protocol has the advantages of wide functional group tolerance and use of readily available raw materials.
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Affiliation(s)
- Hua Yao
- Department of Chemistry, Nanchang University, No. 999, Xuefu Rd., Nanchang, 330031, P. R. China.
| | - Bo Xie
- Department of Chemistry, Nanchang University, No. 999, Xuefu Rd., Nanchang, 330031, P. R. China.
| | - Xiaoyang Zhong
- Department of Chemistry, Nanchang University, No. 999, Xuefu Rd., Nanchang, 330031, P. R. China.
| | - Shengzhou Jin
- Department of Chemistry, Nanchang University, No. 999, Xuefu Rd., Nanchang, 330031, P. R. China.
| | - Sen Lin
- Department of Chemistry, Nanchang University, No. 999, Xuefu Rd., Nanchang, 330031, P. R. China.
| | - Zhaohua Yan
- Department of Chemistry, Nanchang University, No. 999, Xuefu Rd., Nanchang, 330031, P. R. China.
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50
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Colonna P, Bezzenine S, Gil R, Hannedouche J. Alkene Hydroamination
via
Earth‐Abundant Transition Metal (Iron, Cobalt, Copper and Zinc) Catalysis: A Mechanistic Overview. Adv Synth Catal 2020. [DOI: 10.1002/adsc.201901157] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Pierre Colonna
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO)CNRS UMR 8182Université Paris-Sud Université Paris-Saclay 91405 Orsay cedex France
| | - Sophie Bezzenine
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO)CNRS UMR 8182Université Paris-Sud Université Paris-Saclay 91405 Orsay cedex France
| | - Richard Gil
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO)CNRS UMR 8182Université Paris-Sud Université Paris-Saclay 91405 Orsay cedex France
| | - Jérôme Hannedouche
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO)CNRS UMR 8182Université Paris-Sud Université Paris-Saclay 91405 Orsay cedex France
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