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Wei XH, Liu X, Wang XH, Xue YW, Yang XJ, Yang SD. Copper-Catalyzed Domino Phosphorylation/Cyclization of ortho-Alkynylketones for Accessing Phosphorylated 1 H-Isochromenes. J Org Chem 2025; 90:292-299. [PMID: 39690712 DOI: 10.1021/acs.joc.4c02239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2024]
Abstract
An effective and economical copper-catalyzed approach for the synthesis of phosphorylated 1H-isochromenes is reported. This method is the first example of focus on ketone phosphonylation to establish a C-P bond and 6-endo-dig cyclization to construct a C-O bond between aryl- and alkyl-substituted alkynylketones and H-phosphinate esters, H-phosphites, and H-phosphine oxides, resulting in chemo- and regioselective phosphorylated 1H-isochromenes with moderate to excellent yields under smooth reaction conditions.
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Affiliation(s)
- Xiao-Hong Wei
- Key Laboratory of Environment-Friendly Composite Materials of the State Ethnic Affairs Commission, Key Laboratory for Utility of Environment-Friendly Composite Materials and Biomass in University of Gansu Province, College of Chemical Engineering, College of Chemical Engineering, Northwest Minzu University, Lanzhou 730030, P. R. China
| | - Xuan Liu
- Key Laboratory of Environment-Friendly Composite Materials of the State Ethnic Affairs Commission, Key Laboratory for Utility of Environment-Friendly Composite Materials and Biomass in University of Gansu Province, College of Chemical Engineering, College of Chemical Engineering, Northwest Minzu University, Lanzhou 730030, P. R. China
| | - Xiao-Hong Wang
- Key Laboratory of Environment-Friendly Composite Materials of the State Ethnic Affairs Commission, Key Laboratory for Utility of Environment-Friendly Composite Materials and Biomass in University of Gansu Province, College of Chemical Engineering, College of Chemical Engineering, Northwest Minzu University, Lanzhou 730030, P. R. China
| | - Ya-Wen Xue
- Key Laboratory of Environment-Friendly Composite Materials of the State Ethnic Affairs Commission, Key Laboratory for Utility of Environment-Friendly Composite Materials and Biomass in University of Gansu Province, College of Chemical Engineering, College of Chemical Engineering, Northwest Minzu University, Lanzhou 730030, P. R. China
| | - Xiao-Jun Yang
- Key Laboratory of Environment-Friendly Composite Materials of the State Ethnic Affairs Commission, Key Laboratory for Utility of Environment-Friendly Composite Materials and Biomass in University of Gansu Province, College of Chemical Engineering, College of Chemical Engineering, Northwest Minzu University, Lanzhou 730030, P. R. China
| | - Shang-Dong Yang
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, 222 South Tianshui Road, Lanzhou 730000, P. R. China
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2
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Rina YA, Schmidt JAR. Alpha-metalated N, N-dimethylbenzylamine rare-earth metal complexes and their catalytic applications. Dalton Trans 2024. [PMID: 38757291 DOI: 10.1039/d4dt00826j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/18/2024]
Abstract
This perspective summarizes our group's extensive research in the realm of organometallic lanthanide complexes, while also placing the catalytic reactions supported by these species within the context of known lanthanide catalysis worldwide, with a specific focus on phosphorus-based catalytic reactions such as intermolecular hydrophosphination and hydrophosphinylation. α-Metalated N,N-dimethylbenzylamine ligands have been utilized to generate homoleptic lanthanide complexes, which have subsequently proven to be highly active lanthanum-based catalysts. The main goal of our research program has been to enhance the catalytic efficiency of lanthanum-based complexes, which began with initial successes in the stoichiometric synthesis of organometallic lanthanide complexes and utilization of these species in catalytic hydrophosphination reactions. Not only have these species supported traditional lanthanide catalysis, such as the hydrophosphination of heterocumulenes like carbodiimides, isocyanates, and isothiocyanates, but they have also been effective for a plethora of catalytic reactions tested thus far, including the hydrophosphinylation and hydrophosphorylation of nitriles, hydrophosphination and hydrophosphinylation of alkynes and alkenes, and the heterodehydrocoupling of silanes and amines. Each of these catalytic transformations is meritorious in its own right, offering new synthetic routes to generate organic scaffolds with enhanced functionality while concurrently minimizing both waste generation and energy consumption. Objectives: We aim for the research summary presented herein to inspire and encourage other researchers to investigate f-element based stoichiometric and catalytic reactions. Our efforts in this field began with the recognition that potassium salts of benzyldimethylamine preferred deprotonation at the α-position, rather than the ortho-position, and we wondered if this regiochemistry would be retained in the formation of lanthanide complexes. The pursuit of this simple idea led first to a series of structurally fascinating homoleptic organometallic lanthanide complexes with surprisingly good stability. Fundamental studies of the protonolysis chemistry of these complexes ultimately revealed highly versatile lanthanide-based precatalysts that have propelled a catalytic investigation spanning more than a decade. We anticipate that this summative perspective will animate the synthetic as well as biological communities to consider La(DMBA)3-based catalytic methods in the synthesis of functionalized organic scaffolds as an atom-economic, convenient, and efficient methodology. Ultimately, we envision our work making a positive impact on the advancement of novel chemical transformations and contributing to progress in various fields of science and technology.
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Affiliation(s)
- Yesmin Akter Rina
- Department of Chemistry & Biochemistry, School of Green Chemistry and Engineering, College of Natural Sciences and Mathematics, The University of Toledo, 2801 W. Bancroft St. MS 602, Toledo, Ohio 43606-3390, USA.
| | - Joseph A R Schmidt
- Department of Chemistry & Biochemistry, School of Green Chemistry and Engineering, College of Natural Sciences and Mathematics, The University of Toledo, 2801 W. Bancroft St. MS 602, Toledo, Ohio 43606-3390, USA.
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Wani AA, Carballo JJG, Jayaprakash H, Wörle M, Widera A, Togni A, Grützmacher H. A Simple Manganese(I) Catalyst for the Efficient and Selective Hydrophosphination of Olefins with PH 3, Primary, and Secondary Phosphanes. Chemistry 2024; 30:e202303848. [PMID: 38312108 DOI: 10.1002/chem.202303848] [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: 01/22/2024] [Revised: 02/04/2024] [Accepted: 02/05/2024] [Indexed: 02/06/2024]
Abstract
A tridentate ligand L with a P,NH,N donor motif was synthesized in few steps from commercially available precursors. Upon reaction with [MnBr(CO)5], an octahedral 18-electron complex [Mn(CO)3(L)]Br (1) is obtained in which L adopts a facial arrangement. After deprotonation of the NH group in the cationic complex unit, a neutral Mn(I) amido complex [Mn(CO)2(L-H)] (2) is formed under loss of CO. Rearrangement of L-H leads to a trigonal bipyramidal structure in which the P and N donor centers are in trans position. Further deprotonation of 2 results in a dep-blue anionic complex fragment [Mn(CO)2(L-2H)]- (3). DFT calculations and a QTAIM analysis show that the amido complex 2 contains a Mn-N bond with partial double bond character and 3 an aromatic MnN2C2 ring. The anion [Mn(CO)2(L-2H)]- reacts with Ph2PH to give a phosphido complex, which serves as phosphide transfer reagent to activated olefins. But the catalytic activity is low. However, the neutral amido complex 2 is an excellent catalyst and with loadings as low as 0.04 mol %, turn over frequencies of >40'000 h-1 can be achieved. Furthermore, secondary and primary alkyl phosphines as well as PH3 can be added in a catalytic hydrophosphination reaction to a wide range of activated olefins such as α,β-unsaturated aldehydes, ketones, esters, and nitriles. But also, vinyl pyridine and some styrene derivatives are converted into the corresponding phosphanes.
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Affiliation(s)
- Aabid A Wani
- Department of Chemistry and Applied Biosciences ETH, Zürich, Vladimir-Prelog-Weg 1, CH-8093, Zurich, Switzerland
| | - Juan José Gamboa Carballo
- Department of Chemistry and Applied Biosciences ETH, Zürich, Vladimir-Prelog-Weg 1, CH-8093, Zurich, Switzerland
- Higher Institute of Technologies and Applied Sciences (InSTEC), University of Havana, Ave. S., Allende 1110, 10600 Havana, Cuba
| | - Harikrishnan Jayaprakash
- Department of Chemistry and Applied Biosciences ETH, Zürich, Vladimir-Prelog-Weg 1, CH-8093, Zurich, Switzerland
| | - Michael Wörle
- Department of Chemistry and Applied Biosciences ETH, Zürich, Vladimir-Prelog-Weg 1, CH-8093, Zurich, Switzerland
| | - Anna Widera
- Department of Chemistry and Applied Biosciences ETH, Zürich, Vladimir-Prelog-Weg 1, CH-8093, Zurich, Switzerland
| | - Antonio Togni
- Department of Chemistry and Applied Biosciences ETH, Zürich, Vladimir-Prelog-Weg 1, CH-8093, Zurich, Switzerland
| | - Hansjörg Grützmacher
- Department of Chemistry and Applied Biosciences ETH, Zürich, Vladimir-Prelog-Weg 1, CH-8093, Zurich, Switzerland
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Belli RG, Muir V, Dyck NB, Pantazis DA, Sousa TPA, Slusar CR, Parkin HC, Rosenberg L. Exploring Electrophilic Hydrophosphination via Metal Phosphenium Intermediates. Chemistry 2024; 30:e202302924. [PMID: 38242847 DOI: 10.1002/chem.202302924] [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: 09/08/2023] [Revised: 01/12/2024] [Accepted: 01/16/2024] [Indexed: 01/21/2024]
Abstract
Two Mo(0) phosphenium complexes containing ancillary secondary phosphine ligands have been investigated with respect to their ability to participate in electrophilic addition at unsaturated substrates and subsequent P-H hydride transfer to "quench" the resulting carbocations. These studies provide stoichiometric "proof of concept" for a proposed new metal-catalyzed electrophilic hydrophosphination mechanism. The more strongly Lewis acidic phosphenium complex, [Mo(CO)4(PR2H)(PR2)]+ (R=Ph, Tolp), cleanly hydrophosphinates 1,1-diphenylethylene, benzophenone, and ethylene, while other substrates react rapidly to give products resulting from competing electrophilic processes. A less Lewis acidic complex, [Mo(CO)3(PR2H)2(PR2)]+, generally reacts more slowly but participates in clean hydrophosphination of a wider range of unsaturated substrates, including styrene, indene, 1-hexene, and cyclohexanone, in addition to 1,1-diphenylethylene, benzophenone, and ethylene. Mechanistic studies are described, including stoichiometric control reactions and computational and kinetic analyses, which probe whether the observed P-H addition actually does occur by the proposed electrophilic mechanism, and whether hydridic P-H transfer in this system is intra- or intermolecular. Preliminary reactivity studies indicate challenges that must be addressed to exploit these promising results in catalysis.
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Affiliation(s)
- Roman G Belli
- Department of Chemistry, University of Victoria, P.O. Box 1700, STN CSC, Victoria, British Columbia, Canada, V8W 2Y2
| | - Vanessa Muir
- Department of Chemistry, University of Victoria, P.O. Box 1700, STN CSC, Victoria, British Columbia, Canada, V8W 2Y2
| | - Nicholas B Dyck
- Department of Chemistry, University of Victoria, P.O. Box 1700, STN CSC, Victoria, British Columbia, Canada, V8W 2Y2
| | - Dimitrios A Pantazis
- Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, 45470, Mülheim an der Ruhr, Germany
| | - Tânia P A Sousa
- Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, 45470, Mülheim an der Ruhr, Germany
| | - Carly R Slusar
- Department of Chemistry, University of Victoria, P.O. Box 1700, STN CSC, Victoria, British Columbia, Canada, V8W 2Y2
| | - Hayley C Parkin
- Department of Chemistry, University of Victoria, P.O. Box 1700, STN CSC, Victoria, British Columbia, Canada, V8W 2Y2
| | - Lisa Rosenberg
- Department of Chemistry, University of Victoria, P.O. Box 1700, STN CSC, Victoria, British Columbia, Canada, V8W 2Y2
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Dannenberg SG, Seth DM, Finfer EJ, Waterman R. Divergent Mechanistic Pathways for Copper(I) Hydrophosphination Catalysis: Understanding That Allows for Diastereoselective Hydrophosphination of a Tri-substituted Styrene. ACS Catal 2022. [DOI: 10.1021/acscatal.2c05221] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Steven G. Dannenberg
- Department of Chemistry, University of Vermont, Burlington, Vermont 05405-0125, United States
| | - Dennis M. Seth
- Department of Chemistry, University of Vermont, Burlington, Vermont 05405-0125, United States
| | - Emma J. Finfer
- Department of Chemistry, University of Vermont, Burlington, Vermont 05405-0125, United States
| | - Rory Waterman
- Department of Chemistry, University of Vermont, Burlington, Vermont 05405-0125, United States
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Belli RG, Yang J, Bahena EN, McDonald R, Rosenberg L. Mechanism and Catalyst Design in Ru-Catalyzed Alkene Hydrophosphination. ACS Catal 2022. [DOI: 10.1021/acscatal.1c05636] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Roman G. Belli
- Department of Chemistry, University of Victoria, P.O. Box 1700, STN CSC, Victoria, British Columbia V8W 2Y2, Canada
| | - Jin Yang
- Department of Chemistry, University of Victoria, P.O. Box 1700, STN CSC, Victoria, British Columbia V8W 2Y2, Canada
| | - Erick Nuñez Bahena
- Department of Chemistry, University of Victoria, P.O. Box 1700, STN CSC, Victoria, British Columbia V8W 2Y2, Canada
| | - Robert McDonald
- X-ray Crystallography Laboratory, Department of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
| | - Lisa Rosenberg
- Department of Chemistry, University of Victoria, P.O. Box 1700, STN CSC, Victoria, British Columbia V8W 2Y2, Canada
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Geer AM, Tejel C. Organo-phosphanide and -phosphinidene complexes of Groups 8–11. ADVANCES IN ORGANOMETALLIC CHEMISTRY 2022. [DOI: 10.1016/bs.adomc.2022.02.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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Guo S, Han K, Wang D, Guo Y, Cao S, Zhao Y. Investigation of Hydrophosphorylation Reaction of Pentacoordinate Hydrospirophosphorane and Electron‐Deficient Alkenes Catalyzed by Organic Phosphine. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202100536] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Shanqi Guo
- College of Chemistry Zhengzhou University Zhengzhou 450001 P. R. China
| | - Kehui Han
- College of Chemistry Zhengzhou University Zhengzhou 450001 P. R. China
| | - Di Wang
- College of Chemistry Zhengzhou University Zhengzhou 450001 P. R. China
| | - Yanchun Guo
- College of Chemistry Zhengzhou University Zhengzhou 450001 P. R. China
| | - Shuxia Cao
- College of Chemistry Zhengzhou University Zhengzhou 450001 P. R. China
| | - Yufen Zhao
- College of Chemistry Zhengzhou University Zhengzhou 450001 P. R. China
- Institute Drug Discovery Technology Ningbo University Ningbo 315211 P. R. China
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9
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Brakestad A, Wind P, Jensen SR, Frediani L, Hopmann KH. Multiwavelets applied to metal-ligand interactions: Energies free from basis set errors. J Chem Phys 2021; 154:214302. [PMID: 34240981 DOI: 10.1063/5.0046023] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Transition metal-catalyzed reactions invariably include steps where ligands associate or dissociate. In order to obtain reliable energies for such reactions, sufficiently large basis sets need to be employed. In this paper, we have used high-precision multiwavelet calculations to compute the metal-ligand association energies for 27 transition metal complexes with common ligands, such as H2, CO, olefins, and solvent molecules. By comparing our multiwavelet results to a variety of frequently used Gaussian-type basis sets, we show that counterpoise corrections, which are widely employed to correct for basis set superposition errors, often lead to underbinding. Additionally, counterpoise corrections are difficult to employ when the association step also involves a chemical transformation. Multiwavelets, which can be conveniently applied to all types of reactions, provide a promising alternative for computing electronic interaction energies free from any basis set errors.
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Affiliation(s)
- Anders Brakestad
- Hylleraas Centre for Quantum Molecular Sciences, UiT The Arctic University of Norway, 9037 Tromsø, Norway
| | - Peter Wind
- Hylleraas Centre for Quantum Molecular Sciences, UiT The Arctic University of Norway, 9037 Tromsø, Norway
| | - Stig Rune Jensen
- Hylleraas Centre for Quantum Molecular Sciences, UiT The Arctic University of Norway, 9037 Tromsø, Norway
| | - Luca Frediani
- Hylleraas Centre for Quantum Molecular Sciences, UiT The Arctic University of Norway, 9037 Tromsø, Norway
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