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Agafonov MA, Alexandrov EV, Artyukhova NA, Bekmukhamedov GE, Blatov VA, Butova VV, Gayfulin YM, Garibyan AA, Gafurov ZN, Gorbunova YG, Gordeeva LG, Gruzdev MS, Gusev AN, Denisov GL, Dybtsev DN, Enakieva YY, Kagilev AA, Kantyukov AO, Kiskin MA, Kovalenko KA, Kolker AM, Kolokolov DI, Litvinova YM, Lysova AA, Maksimchuk NV, Mironov YV, Nelyubina YV, Novikov VV, Ovcharenko VI, Piskunov AV, Polyukhov DM, Polyakov VA, Ponomareva VG, Poryvaev AS, Romanenko GV, Soldatov AV, Solovyeva MV, Stepanov AG, Terekhova IV, Trofimova OY, Fedin VP, Fedin MV, Kholdeeva OA, Tsivadze AY, Chervonova UV, Cherevko AI, Shul′gin VF, Shutova ES, Yakhvarov DG. METAL-ORGANIC FRAMEWORKS IN RUSSIA: FROM THE SYNTHESIS AND STRUCTURE TO FUNCTIONAL PROPERTIES AND MATERIALS. J STRUCT CHEM+ 2022. [DOI: 10.1134/s0022476622050018] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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2
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D'Alterio MC, Casals-Cruañas È, Tzouras NV, Talarico G, Nolan SP, Poater A. Mechanistic Aspects of the Palladium-Catalyzed Suzuki-Miyaura Cross-Coupling Reaction. Chemistry 2021; 27:13481-13493. [PMID: 34269488 PMCID: PMC8518397 DOI: 10.1002/chem.202101880] [Citation(s) in RCA: 60] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Indexed: 12/14/2022]
Abstract
The story of C-C bond formation includes several reactions, and surely Suzuki-Miyaura is among the most outstanding ones. Herein, a brief historical overview of insights regarding the reaction mechanism is provided. In particular, the formation of the catalytically active species is probably the main concern, thus the preactivation is in competition with, or even assumes the role of the rate determining step (rds) of the overall reaction. Computational chemistry is key in identifying the rds and thus leading to milder conditions on an experimental level by means of predictive catalysis.
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Affiliation(s)
- Massimo C D'Alterio
- Institut de Química Computacional i Catàlisi Departament de Química, Universitat de Girona, c/ Maria Aurèlia Capmany 69, 17003, Girona, Catalonia, Spain
- Dipartimento di Scienze Chimiche, Università di Napoli, Federico II Via Cintia, I-80126, Napoli, Italy
| | - Èric Casals-Cruañas
- Institut de Química Computacional i Catàlisi Departament de Química, Universitat de Girona, c/ Maria Aurèlia Capmany 69, 17003, Girona, Catalonia, Spain
| | - Nikolaos V Tzouras
- Department of Chemistry and Center for Sustainable Chemistry, Ghent University, Building S3, Krijgslaan 281, 9000, Gent, Belgium
| | - Giovanni Talarico
- Dipartimento di Scienze Chimiche, Università di Napoli, Federico II Via Cintia, I-80126, Napoli, Italy
| | - Steven P Nolan
- Department of Chemistry and Center for Sustainable Chemistry, Ghent University, Building S3, Krijgslaan 281, 9000, Gent, Belgium
| | - Albert Poater
- Institut de Química Computacional i Catàlisi Departament de Química, Universitat de Girona, c/ Maria Aurèlia Capmany 69, 17003, Girona, Catalonia, Spain
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3
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4
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Fricke C, Sperger T, Mendel M, Schoenebeck F. Catalysis with Palladium(I) Dimers. Angew Chem Int Ed Engl 2021; 60:3355-3366. [PMID: 33058375 PMCID: PMC7898807 DOI: 10.1002/anie.202011825] [Citation(s) in RCA: 50] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2020] [Revised: 10/09/2020] [Indexed: 12/16/2022]
Abstract
Dinuclear PdI complexes have found widespread applications as diverse catalysts for a multitude of transformations. Initially their ability to function as pre-catalysts for low-coordinated Pd0 species was harnessed in cross-coupling. Such PdI dimers are inherently labile and relatively sensitive to oxygen. In recent years, more stable dinuclear PdI -PdI frameworks, which feature bench-stability and robustness towards nucleophiles as well as recoverability in reactions, were explored and shown to trigger privileged reactivities via dinuclear catalysis. This includes the predictable and substrate-independent, selective C-C and C-heteroatom bond formations of poly(pseudo)halogenated arenes as well as couplings of arenes with relatively weak nucleophiles, which would not engage in Pd0 /PdII catalysis. This Minireview highlights the use of dinuclear PdI complexes as both pre-catalysts for the formation of highly active Pd0 and PdII -H species as well as direct dinuclear catalysts. Focus is set on the mechanistic intricacies, the speciation and the impacts on reactivity.
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Affiliation(s)
- Christoph Fricke
- Institute of Organic ChemistryRWTH Aachen UniversityLandoltweg 152074AachenGermany
| | - Theresa Sperger
- Institute of Organic ChemistryRWTH Aachen UniversityLandoltweg 152074AachenGermany
| | - Marvin Mendel
- Institute of Organic ChemistryRWTH Aachen UniversityLandoltweg 152074AachenGermany
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5
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Kundu G, Sperger T, Rissanen K, Schoenebeck F. A Next-Generation Air-Stable Palladium(I) Dimer Enables Olefin Migration and Selective C-C Coupling in Air. Angew Chem Int Ed Engl 2020; 59:21930-21934. [PMID: 32810335 PMCID: PMC7756449 DOI: 10.1002/anie.202009115] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 08/04/2020] [Indexed: 12/17/2022]
Abstract
We report a new air-stable PdI dimer, [Pd(μ-I)(PCy2 t Bu)]2 , which triggers E-selective olefin migration to enamides and styrene derivatives in the presence of multiple functional groups and with complete tolerance of air. The same dimer also triggers extremely rapid C-C coupling (alkylation and arylation) at room temperature in a modular and triply selective fashion of aromatic C-Br, C-OTf/OFs, and C-Cl bonds in poly(pseudo)halogenated arenes, displaying superior activity over previous PdI dimer generations for substrates that bear substituents ortho to C-OTf.
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Affiliation(s)
- Gourab Kundu
- Institute of Organic ChemistryRWTH Aachen UniversityLandoltweg 152074AachenGermany
| | - Theresa Sperger
- Institute of Organic ChemistryRWTH Aachen UniversityLandoltweg 152074AachenGermany
| | - Kari Rissanen
- Department of ChemistryNanoscience CenterUniversity of Jyvaskyla40014JYUFinland
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6
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Kundu G, Sperger T, Rissanen K, Schoenebeck F. A Next‐Generation Air‐Stable Palladium(I) Dimer Enables Olefin Migration and Selective C−C Coupling in Air. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202009115] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Gourab Kundu
- Institute of Organic Chemistry RWTH Aachen University Landoltweg 1 52074 Aachen Germany
| | - Theresa Sperger
- Institute of Organic Chemistry RWTH Aachen University Landoltweg 1 52074 Aachen Germany
| | - Kari Rissanen
- Department of Chemistry Nanoscience Center University of Jyvaskyla 40014 JYU Finland
| | - Franziska Schoenebeck
- Institute of Organic Chemistry RWTH Aachen University Landoltweg 1 52074 Aachen Germany
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7
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Behlen MJ, Uyeda C. C2-Symmetric Dinickel Catalysts for Enantioselective [4 + 1]-Cycloadditions. J Am Chem Soc 2020; 142:17294-17300. [PMID: 32972140 DOI: 10.1021/jacs.0c08262] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Dinickel naphthyridine-bis(oxazoline) catalysts promote enantioselective intermolecular [4 + 1]-cycloadditions of vinylidene equivalents and 1,3-dienes. The products of this reaction are methylenecyclopentenes, and the exocyclic alkene is generally obtained with high Z selectivity. E- and Z-dienes react in a stereoconvergent fashion, providing cycloadducts with the same sense of absolute stereochemistry and nearly identical ee values. This feature allows dienes that are commercially available as E/Z mixtures to be used as substrates for the cycloaddition. A DFT model for the origin of asymmetric induction is provided.
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Affiliation(s)
- Michael J Behlen
- Department of Chemistry, Purdue University, West Lafayette, Indiana 47907, United States
| | - Christopher Uyeda
- Department of Chemistry, Purdue University, West Lafayette, Indiana 47907, United States
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8
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Li L, Song F, Zhong X, Wu Y, Zhang X, Chen J, Huang Y. Ligand‐Controlled C−O Bond Coupling of Carboxylic Acids and Aryl Iodides: Experimental and Computational Insights. Adv Synth Catal 2020. [DOI: 10.1002/adsc.201901136] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Li Li
- State Key Laboratory of Chemical Oncogenomics, Key Laboratory of Chemical GenomicsPeking University, Shenzhen Graduate School Shenzhen 518055 China
| | - Feifei Song
- State Key Laboratory of Chemical Oncogenomics, Key Laboratory of Chemical GenomicsPeking University, Shenzhen Graduate School Shenzhen 518055 China
| | | | - Yun‐Dong Wu
- State Key Laboratory of Chemical Oncogenomics, Key Laboratory of Chemical GenomicsPeking University, Shenzhen Graduate School Shenzhen 518055 China
- Shenzhen Bay Laboratory Shenzhen 518055 China
| | - Xinhao Zhang
- State Key Laboratory of Chemical Oncogenomics, Key Laboratory of Chemical GenomicsPeking University, Shenzhen Graduate School Shenzhen 518055 China
- Shenzhen Bay Laboratory Shenzhen 518055 China
| | - Jiean Chen
- State Key Laboratory of Chemical Oncogenomics, Key Laboratory of Chemical GenomicsPeking University, Shenzhen Graduate School Shenzhen 518055 China
- Shenzhen Bay Laboratory Shenzhen 518055 China
| | - Yong Huang
- State Key Laboratory of Chemical Oncogenomics, Key Laboratory of Chemical GenomicsPeking University, Shenzhen Graduate School Shenzhen 518055 China
- Department of ChemistryThe Hong Kong University of Science of Technology Clear Water Bay Kowloon
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9
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Xu W, Li M, Qiao L, Xie J. Recent advances of dinuclear nickel- and palladium-complexes in homogeneous catalysis. Chem Commun (Camb) 2020; 56:8524-8536. [PMID: 32613965 DOI: 10.1039/d0cc02542a] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
In this highlight, we provide a current perspective of synthetic methodology development catalyzed by dinuclear Ni- and Pd-complexes in the past decade. The new catalytic reactivities of dinuclear Ni- and Pd-complexes are discussed.
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Affiliation(s)
- Wentao Xu
- State Key Laboratory of Coordination Chemistry
- Jiangsu Key Laboratory of Advanced Organic Materials
- Chemistry and Biomedicine Innovation Center (ChemBIC)
- School of Chemistry and Chemical Engineering
- Nanjing University
| | - Muzi Li
- State Key Laboratory of Coordination Chemistry
- Jiangsu Key Laboratory of Advanced Organic Materials
- Chemistry and Biomedicine Innovation Center (ChemBIC)
- School of Chemistry and Chemical Engineering
- Nanjing University
| | - Liancheng Qiao
- State Key Laboratory of Coordination Chemistry
- Jiangsu Key Laboratory of Advanced Organic Materials
- Chemistry and Biomedicine Innovation Center (ChemBIC)
- School of Chemistry and Chemical Engineering
- Nanjing University
| | - Jin Xie
- State Key Laboratory of Coordination Chemistry
- Jiangsu Key Laboratory of Advanced Organic Materials
- Chemistry and Biomedicine Innovation Center (ChemBIC)
- School of Chemistry and Chemical Engineering
- Nanjing University
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10
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Bonding and electronic structures in dinuclear (X)[(Ind)M2L2] complexes (M = Ni, Pd, L = CO, PEt3, X = Cl, Allyl, Ind = indenyl, Cp = cyclopentadienyl): analogy between four-electron donor ligands. Theor Chem Acc 2019. [DOI: 10.1007/s00214-019-2526-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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11
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Zhukhovitskiy AV, Kobylianskii IJ, Thomas AA, Evans AM, Delaney CP, Flanders NC, Denmark SE, Dichtel WR, Toste FD. A Dinuclear Mechanism Implicated in Controlled Carbene Polymerization. J Am Chem Soc 2019; 141:6473-6478. [PMID: 30964670 PMCID: PMC6615555 DOI: 10.1021/jacs.9b01532] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Carbene polymerization provides polyolefins that cannot be readily prepared from olefin monomers; however, controlled and living carbene polymerization has been a long-standing challenge. Here we report a new class of initiators, (π-allyl)palladium carboxylate dimers, which polymerize ethyl diazoacetate, a carbene precursor in a controlled and quasi-living manner, with nearly quantitative yields, degrees of polymerization >100, molecular weight dispersities 1.2-1.4, and well-defined, diversifiable chain ends. This method also provides block copolycarbenes that undergo microphase segregation. Experimental and theoretical mechanistic analysis supports a new dinuclear mechanism for this process.
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Affiliation(s)
| | - Ilia J. Kobylianskii
- Department of Chemistry, University of California, Berkeley, California 94720, United States
| | - Andy A. Thomas
- Roger Adams Laboratory, Department of Chemistry, University of Illinois, Urbana, Illinois 61801, United States
| | - Austin M. Evans
- Department of Chemistry, Northwestern University, Evanston, Illinois 60208, United States
| | - Connor P. Delaney
- Roger Adams Laboratory, Department of Chemistry, University of Illinois, Urbana, Illinois 61801, United States
| | - Nathan C. Flanders
- Department of Chemistry, Northwestern University, Evanston, Illinois 60208, United States
| | - Scott E. Denmark
- Roger Adams Laboratory, Department of Chemistry, University of Illinois, Urbana, Illinois 61801, United States
| | - William R. Dichtel
- Department of Chemistry, Northwestern University, Evanston, Illinois 60208, United States
| | - F. Dean Toste
- Department of Chemistry, University of California, Berkeley, California 94720, United States
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12
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Senol E, Scattolin T, Schoenebeck F. Selenolation of Aryl Iodides and Bromides Enabled by a Bench‐Stable Pd
I
Dimer. Chemistry 2019; 25:9419-9422. [DOI: 10.1002/chem.201900951] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2019] [Indexed: 12/15/2022]
Affiliation(s)
- Erdem Senol
- Institute of Organic ChemistryRWTH Aachen University Landoltweg 1 52074 Aachen Germany
| | - Thomas Scattolin
- Institute of Organic ChemistryRWTH Aachen University Landoltweg 1 52074 Aachen Germany
| | - Franziska Schoenebeck
- Institute of Organic ChemistryRWTH Aachen University Landoltweg 1 52074 Aachen Germany
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13
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Keaveney ST, Kundu G, Schoenebeck F. Modular Functionalization of Arenes in a Triply Selective Sequence: Rapid C(sp 2 ) and C(sp 3 ) Coupling of C-Br, C-OTf, and C-Cl Bonds Enabled by a Single Palladium(I) Dimer. Angew Chem Int Ed Engl 2018; 57:12573-12577. [PMID: 30091504 PMCID: PMC6175235 DOI: 10.1002/anie.201808386] [Citation(s) in RCA: 74] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2018] [Indexed: 01/01/2023]
Abstract
Full control over multiple competing coupling sites would enable straightforward access to densely functionalized compound libraries. Historically, the site selection in Pd0 -catalyzed functionalizations of poly(pseudo)halogenated arenes has been unpredictable, being dependent on the employed catalyst, the reaction conditions, and the substrate itself. Building on our previous report of C-Br-selective functionalization in the presence of C-OTf and C-Cl bonds, we herein complete the sequence and demonstrate the first general arylations and alkylations of C-OTf bonds (in <10 min), followed by functionalization of the C-Cl site (in <25 min), at room temperature using the same air- and moisture-stable PdI dimer. This allowed the realization of the first general and triply selective sequential C-C coupling (in 2D and 3D space) of C-Br followed by C-OTf and then C-Cl bonds.
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Affiliation(s)
- Sinead T. Keaveney
- Institute of Organic ChemistryRWTH Aachen UniversityLandoltweg 152074AachenGermany
| | - Gourab Kundu
- Institute of Organic ChemistryRWTH Aachen UniversityLandoltweg 152074AachenGermany
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14
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Scattolin T, Senol E, Yin G, Guo Q, Schoenebeck F. Site-Selective C-S Bond Formation at C-Br over C-OTf and C-Cl Enabled by an Air-Stable, Easily Recoverable, and Recyclable Palladium(I) Catalyst. Angew Chem Int Ed Engl 2018; 57:12425-12429. [PMID: 30014554 PMCID: PMC6468269 DOI: 10.1002/anie.201806036] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2018] [Revised: 07/01/2018] [Indexed: 11/17/2022]
Abstract
This report widens the repertoire of emerging PdI catalysis to carbon-heteroatom, that is, C-S bond formation. While Pd0 -catalyzed protocols may suffer from the formation of poisonous sulfide-bound off-cycle intermediates and lack of selectivity, the mechanistically diverse PdI catalysis concept circumvents these challenges and allows for C-S bond formation (S-aryl and S-alkyl) of a wide range of aryl halides. Site-selective thiolations of C-Br sites in the presence of C-Cl and C-OTf were achieved in a general and a priori predictable fashion. Computational, spectroscopic, X-ray, and reactivity data support dinuclear PdI catalysis to be operative. Contrary to air-sensitive Pd0 , the active PdI species was easily recovered in the open atmosphere and subjected to multiple rounds of recycling.
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Affiliation(s)
- Thomas Scattolin
- Institute of Organic ChemistryRWTH Aachen UniversityAachenGermany
| | - Erdem Senol
- Institute of Organic ChemistryRWTH Aachen UniversityAachenGermany
| | - Guoyin Yin
- Institute of Organic ChemistryRWTH Aachen UniversityAachenGermany
| | - Qianqian Guo
- Institute of Inorganic ChemistryX-ray CrystallographyLandoltweg 152074AachenGermany
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15
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Keaveney ST, Kundu G, Schoenebeck F. Modular Functionalization of Arenes in a Triply Selective Sequence: Rapid C(sp2
) and C(sp3
) Coupling of C−Br, C−OTf, and C−Cl Bonds Enabled by a Single Palladium(I) Dimer. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201808386] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Sinead T. Keaveney
- Institute of Organic Chemistry; RWTH Aachen University; Landoltweg 1 52074 Aachen Germany
| | - Gourab Kundu
- Institute of Organic Chemistry; RWTH Aachen University; Landoltweg 1 52074 Aachen Germany
| | - Franziska Schoenebeck
- Institute of Organic Chemistry; RWTH Aachen University; Landoltweg 1 52074 Aachen Germany
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16
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Scattolin T, Senol E, Yin G, Guo Q, Schoenebeck F. Site-Selective C−S Bond Formation at C−Br over C−OTf and C−Cl Enabled by an Air-Stable, Easily Recoverable, and Recyclable Palladium(I) Catalyst. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201806036] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Thomas Scattolin
- Institute of Organic Chemistry; RWTH Aachen University; Aachen Germany
| | - Erdem Senol
- Institute of Organic Chemistry; RWTH Aachen University; Aachen Germany
| | - Guoyin Yin
- Institute of Organic Chemistry; RWTH Aachen University; Aachen Germany
| | - Qianqian Guo
- Institute of Inorganic Chemistry; X-ray Crystallography; Landoltweg 1 52074 Aachen Germany
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17
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Dinuclear Nickel(I) and Palladium(I) Complexes for Highly Active Transformations of Organic Compounds. Molecules 2018; 23:molecules23010140. [PMID: 29324677 PMCID: PMC6017577 DOI: 10.3390/molecules23010140] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2017] [Revised: 01/08/2018] [Accepted: 01/09/2018] [Indexed: 11/23/2022] Open
Abstract
In typical catalytic organic transformations, transition metals in catalytically active complexes are present in their most stable valence states, such as palladium(0) and (II). However, some dimeric monovalent metal complexes can be stabilized by auxiliary ligands to form diamagnetic compounds with metal–metal bonding interactions. These diamagnetic compounds can act as catalysts while retaining their dimeric forms, split homolytically or heterolytically into monomeric forms, which usually have high activity, or in contrast, become completely deactivated as catalysts. Recently, many studies using group 10 metal complexes containing nickel and palladium have demonstrated that under specific conditions, the active forms of these catalyst precursors are not mononuclear zerovalent complexes, but instead dinuclear monovalent metal complexes. In this mini-review, we have surveyed the preparation, reactivity, and the catalytic processes of dinuclear nickel(I) and palladium(I) complexes, focusing on mechanistic insights into the precatalyst activation systems and the structure and behavior of nickel and palladium intermediates.
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18
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Kirlikovali KO, Cho E, Downard TJ, Grigoryan L, Han Z, Hong S, Jung D, Quintana JC, Reynoso V, Ro S, Shen Y, Swartz K, Ter Sahakyan E, Wixtrom AI, Yoshida B, Rheingold AL, Spokoyny AM. Buchwald–Hartwig amination using Pd(i) dimer precatalysts supported by biaryl phosphine ligands. Dalton Trans 2018; 47:3684-3688. [DOI: 10.1039/c8dt00119g] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
We report the synthesis of air-stable Pd(i) dimer complexes featuring biaryl phosphine ligands.
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19
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Mekareeya A, Walker PR, Couce-Rios A, Campbell CD, Steven A, Paton RS, Anderson EA. Mechanistic Insight into Palladium-Catalyzed Cycloisomerization: A Combined Experimental and Theoretical Study. J Am Chem Soc 2017; 139:10104-10114. [DOI: 10.1021/jacs.7b05436] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Aroonroj Mekareeya
- Chemistry
Research Laboratory, University of Oxford, 12 Mansfield Road, Oxford OX1 3TA, U.K
| | - P. Ross Walker
- Chemistry
Research Laboratory, University of Oxford, 12 Mansfield Road, Oxford OX1 3TA, U.K
| | - Almudena Couce-Rios
- Departament
de Química, Universitat Autònoma de Barcelona, 08193 Cerdanyola del Vallès, Spain
| | - Craig D. Campbell
- Chemistry
Research Laboratory, University of Oxford, 12 Mansfield Road, Oxford OX1 3TA, U.K
| | - Alan Steven
- AstraZeneca Pharmaceutical Techology and Development, Charter Way, Macclesfield,
Cheshire SK10 2NA, U.K
| | - Robert S. Paton
- Chemistry
Research Laboratory, University of Oxford, 12 Mansfield Road, Oxford OX1 3TA, U.K
| | - Edward A. Anderson
- Chemistry
Research Laboratory, University of Oxford, 12 Mansfield Road, Oxford OX1 3TA, U.K
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20
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Yue X, Qi X, Bai R, Lei A, Lan Y. Mononuclear or Dinuclear? Mechanistic Study of the Zinc-Catalyzed Oxidative Coupling of Aldehydes and Acetylenes. Chemistry 2017; 23:6419-6425. [DOI: 10.1002/chem.201700733] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2017] [Indexed: 11/10/2022]
Affiliation(s)
- Xiaoyu Yue
- School of Chemistry and Chemical Engineering; Chongqing University; Chongqing 400030 P. R. China
| | - Xiaotian Qi
- School of Chemistry and Chemical Engineering; Chongqing University; Chongqing 400030 P. R. China
- College of Chemistry and Molecular Sciences; Wuhan University, Wuhan; 430072 Hubei P. R. China
| | - Ruopeng Bai
- School of Chemistry and Chemical Engineering; Chongqing University; Chongqing 400030 P. R. China
| | - Aiwen Lei
- College of Chemistry and Molecular Sciences; Wuhan University, Wuhan; 430072 Hubei P. R. China
| | - Yu Lan
- School of Chemistry and Chemical Engineering; Chongqing University; Chongqing 400030 P. R. China
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21
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Johansson Seechurn CCC, Sperger T, Scrase TG, Schoenebeck F, Colacot TJ. Understanding the Unusual Reduction Mechanism of Pd(II) to Pd(I): Uncovering Hidden Species and Implications in Catalytic Cross-Coupling Reactions. J Am Chem Soc 2017; 139:5194-5200. [PMID: 28300400 DOI: 10.1021/jacs.7b01110] [Citation(s) in RCA: 75] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The reduction of Pd(II) intermediates to Pd(0) is a key elementary step in a vast number of Pd-catalyzed processes, ranging from cross-coupling, C-H activation, to Wacker chemistry. For one of the most powerful new generation phosphine ligands, PtBu3, oxidation state Pd(I), and not Pd(0), is generated upon reduction from Pd(II). The mechanism of the reduction of Pd(II) to Pd(I) has been investigated by means of experimental and computational studies for the formation of the highly active precatalyst {Pd(μ-Br)(PtBu3)}2. The formation of dinuclear Pd(I), as opposed to the Pd(0) complex, (tBu3P)2Pd was shown to depend on the stoichiometry of Pd to phosphine ligand, the order of addition of the reagents, and, most importantly, the nature of the palladium precursor and the choice of the phosphine ligand utilized. In addition, through experiments on gram scale in palladium, mechanistically important additional Pd- and phosphine-containing species were detected. An ionic Pd(II)Br3 dimer side product was isolated, characterized, and identified as the crucial driving force in the mechanism of formation of the Pd(I) bromide dimer. The potential impact of the presence of these side species for in situ formed Pd complexes in catalysis was investigated in Buchwald-Hartwig, α-arylation, and Suzuki-Miyaura reactions. The use of preformed and isolated Pd(I) bromide dimer as a precatalyst provided superior results, in terms of catalytic activity, in comparison to catalysts generated in situ.
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Affiliation(s)
| | - Theresa Sperger
- Institute of Organic Chemistry, RWTH Aachen , Landoltweg 1, 52074 Aachen, Germany
| | - Thomas G Scrase
- Johnson Matthey , Orchard Road, Royston SG8 5HE, United Kingdom
| | | | - Thomas J Colacot
- Johnson Matthey , 2001 Nolte Drive, West Deptford, New Jersey 08066, United States
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22
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Kovács S, Tóth BL, Borsik G, Bihari T, May NV, Stirling A, Novák Z. Directortho-Trifluoroethylation of Aromatic Ureas by Palladium Catalyzed C-H activation: A Missing Piece of Aromatic Substitutions. Adv Synth Catal 2016. [DOI: 10.1002/adsc.201601136] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Szabolcs Kovács
- MTA-ELTE “Lendület” Catalysis and Organic Synthesis Research Group; Institute of Chemistry.; Eötvös Loránd University; Pázmány Péter stny. 1/a Budapest 1117 Hungary
| | - Balázs L. Tóth
- MTA-ELTE “Lendület” Catalysis and Organic Synthesis Research Group; Institute of Chemistry.; Eötvös Loránd University; Pázmány Péter stny. 1/a Budapest 1117 Hungary
| | - Gábor Borsik
- MTA-ELTE “Lendület” Catalysis and Organic Synthesis Research Group; Institute of Chemistry.; Eötvös Loránd University; Pázmány Péter stny. 1/a Budapest 1117 Hungary
| | - Tamás Bihari
- Research Centre for Natural Sciences of the; Hungarian Academy of Sciences, Institute of Organic Chemistry; Magyar Tudósok körútja 2. H- 1117 Budapest Hungary
| | - Nóra V. May
- Research Centre for Natural Sciences of the; Hungarian Academy of Sciences, Institute of Organic Chemistry; Magyar Tudósok körútja 2. H- 1117 Budapest Hungary
| | - András Stirling
- Research Centre for Natural Sciences of the; Hungarian Academy of Sciences, Institute of Organic Chemistry; Magyar Tudósok körútja 2. H- 1117 Budapest Hungary
| | - Zoltán Novák
- MTA-ELTE “Lendület” Catalysis and Organic Synthesis Research Group; Institute of Chemistry.; Eötvös Loránd University; Pázmány Péter stny. 1/a Budapest 1117 Hungary
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23
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Martínez C, Muñiz K. Defined Palladium-Phthalimidato Catalysts for Improved Oxidative Amination. Chemistry 2016; 22:7367-70. [PMID: 26990013 DOI: 10.1002/chem.201601128] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2016] [Indexed: 01/12/2023]
Abstract
New palladium(II)-phthalimidato complexes have been synthesized, isolated, and structurally characterized. As demonstrated from over 30 examples, they constitute superior catalysts for oxidative amination reactions of alkenes with phthalimide as the nitrogen source. This work streamlines vicinal difunctionalization of alkenes and provides access to significantly improved and experimentally simplified synthetic protocols.
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Affiliation(s)
- Claudio Martínez
- Institute of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology, Av. Països Catalans 16, 43007, Tarragona, Spain
| | - Kilian Muñiz
- Institute of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology, Av. Països Catalans 16, 43007, Tarragona, Spain. .,Catalan Institution for Research and Advanced Studies (ICREA), Pg. Lluís Companys 23, 08010, Barcelona, Spain.
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24
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Haines BE, Berry JF, Yu JQ, Musaev DG. Factors Controlling Stability and Reactivity of Dimeric Pd(II) Complexes in C–H Functionalization Catalysis. ACS Catal 2016. [DOI: 10.1021/acscatal.5b02447] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Brandon E. Haines
- Cherry
L. Emerson Center for Scientific Computation, Emory University, 1515
Dickey Drive, Atlanta, Georgia 30322, United States
| | - John F. Berry
- Department
of Chemistry, University of Wisconsin − Madison, 1101 University
Avenue, Madison, Wisconsin 53706, United States
| | - Jin-Quan Yu
- Department
of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, California 92037, United States
| | - Djamaladdin G. Musaev
- Cherry
L. Emerson Center for Scientific Computation, Emory University, 1515
Dickey Drive, Atlanta, Georgia 30322, United States
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25
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Ahmadi Z, Yunker LPE, Oliver AG, McIndoe JS. Mechanistic features of the copper-free Sonogashira reaction from ESI-MS. Dalton Trans 2015; 44:20367-75. [PMID: 26469767 DOI: 10.1039/c5dt02889b] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The mechanism of the Sonogashira reaction in methanol was studied in detail using pressurized sample infusion electrospray ionization mass spectrometry (PSI-ESI-MS). Several key intermediates were identified and their structures were assigned by MS/MS studies. Cationic and anionic charged-tagged substrates were employed to look into the mechanism of this reaction from variety of angles. A reverse kinetic isotope effect was observed in which the reaction rate is accelerated in deuterated solvents (kH/kD = 0.6). The reaction was found to be zero order with respect to the aryl iodide and first order with respect to the phenylacetylene. A Hammett parameter of ρ = 1.4 indicates that the reaction is more favorable for aryl iodides with para EWGs. No evidence of product inhibition, dimerization of palladium catalyst, or agglomeration were observed. However, catalyst decomposition was inferred from a non-zero intercept in the plot of catalyst loading versus reaction rate. Monitoring the reaction by PSI-ESI-(-)MS on neutral and negatively charged substrates at variety of concentrations and conditions did not reveal any detectable anionic palladium complexes. Likewise no evidence of carbopalladation and relevant intermediates in the absence of a base was observed.
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Affiliation(s)
- Zohrab Ahmadi
- Department of Chemistry, University of Victoria, P.O. Box 3065, Victoria, BC V8W3V6, Canada.
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26
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Yamamoto K, Ishikawa Y, Kimura S, Takase K, Murahashi T. Dinuclear palladium(I) sandwich complexes of furan and toluene. CR CHIM 2015. [DOI: 10.1016/j.crci.2015.04.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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27
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Aufiero M, Sperger T, Tsang ASK, Schoenebeck F. Hoch effiziente C-SeCF3-Kupplung von Aryliodiden durch einen luftbeständigen zweikernigen PdI-Katalysator. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201503388] [Citation(s) in RCA: 57] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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28
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Aufiero M, Sperger T, Tsang ASK, Schoenebeck F. Highly Efficient C-SeCF3 Coupling of Aryl Iodides Enabled by an Air-Stable Dinuclear Pd(I) Catalyst. Angew Chem Int Ed Engl 2015; 54:10322-6. [PMID: 26118426 DOI: 10.1002/anie.201503388] [Citation(s) in RCA: 118] [Impact Index Per Article: 13.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2015] [Indexed: 11/07/2022]
Abstract
Building on our recent disclosure of catalysis at dinuclear Pd(I) sites, we herein report the application of this concept to the realization of the first catalytic method to convert aryl iodides into the corresponding ArSeCF3 compounds. Highly efficient C-SeCF3 coupling of a range of aryl iodides was achieved, enabled by an air-, moisture-, and thermally stable dinuclear Pd(I) catalyst. The novel SeCF3 -bridged dinuclear Pd(I) complex 3 was isolated, studied for its catalytic competence and shown to be recoverable. Experimental and computational data are presented in support of dinuclear Pd(I) catalysis.
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Affiliation(s)
- Marialuisa Aufiero
- Institute of Organic Chemistry, RWTH Aachen University, Landoltweg 1, 52074 Aachen (Germany) http://www.schoenebeck.oc.rwth-aachen.de/,ETH Zürich, Laboratory for Organic Chemistry, Vladimir-Prelog-Weg 3, 8093 Zürich (Switzerland)
| | - Theresa Sperger
- Institute of Organic Chemistry, RWTH Aachen University, Landoltweg 1, 52074 Aachen (Germany) http://www.schoenebeck.oc.rwth-aachen.de/
| | - Althea S-K Tsang
- Institute of Organic Chemistry, RWTH Aachen University, Landoltweg 1, 52074 Aachen (Germany) http://www.schoenebeck.oc.rwth-aachen.de/
| | - Franziska Schoenebeck
- Institute of Organic Chemistry, RWTH Aachen University, Landoltweg 1, 52074 Aachen (Germany) http://www.schoenebeck.oc.rwth-aachen.de/.
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29
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Yin G, Kalvet I, Schoenebeck F. Trifluoromethylthiolation of Aryl Iodides and Bromides Enabled by a Bench-Stable and Easy-To-Recover Dinuclear Palladium(I) Catalyst. Angew Chem Int Ed Engl 2015; 54:6809-13. [DOI: 10.1002/anie.201501617] [Citation(s) in RCA: 154] [Impact Index Per Article: 17.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2015] [Revised: 03/12/2015] [Indexed: 11/10/2022]
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30
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Yin G, Kalvet I, Schoenebeck F. Trifluoromethylthiolation of Aryl Iodides and Bromides Enabled by a Bench-Stable and Easy-To-Recover Dinuclear Palladium(I) Catalyst. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201501617] [Citation(s) in RCA: 68] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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31
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Ishikawa Y, Kimura S, Takase K, Yamamoto K, Kurashige Y, Yanai T, Murahashi T. Modulation of benzene or naphthalene binding to palladium cluster sites by the backside-ligand effect. Angew Chem Int Ed Engl 2015; 54:2482-6. [PMID: 25603925 DOI: 10.1002/anie.201409499] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2014] [Revised: 11/07/2014] [Indexed: 11/07/2022]
Abstract
The backside-ligand modulation strategy to enhance the substrate binding property of Pd clusters is reported. The benzene or naphthalene binding ability of Pd3 or Pd4 clusters is enhanced significantly by the backside cyclooctatetraene ligand, leading to the formation of the first solution-stable benzene- or naphthalene Pd clusters. The present results imply that the ligand design of the metal clusters, especially for the backside ligand of the metal cluster site, is crucial to acquire a desired reactivity of metal clusters.
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Affiliation(s)
- Yuki Ishikawa
- Research Center of Integrative Molecular Systems (CIMoS), Institute for Molecular Science, National Institutes of Natural Sciences, Myodaiji, Okazaki, Aichi, 444-8787 (Japan); Department of Structural Molecular Science, The Graduate University for Advanced Studies, Myodaiji, Okazaki, Aichi, 444-8787 (Japan)
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32
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Ishikawa Y, Kimura S, Takase K, Yamamoto K, Kurashige Y, Yanai T, Murahashi T. Modulation of Benzene or Naphthalene Binding to Palladium Cluster Sites by the Backside-Ligand Effect. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201409499] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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33
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Qi X, Li Y, Zhang G, Li Y, Lei A, Liu C, Lan Y. Dinuclear versus mononuclear pathways in zinc mediated nucleophilic addition: a combined experimental and DFT study. Dalton Trans 2015; 44:11165-71. [DOI: 10.1039/c5dt01366f] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
A combined experimental and DFT study was conducted to reveal the difference between dinuclear and mononuclear zinc mediated nucleophilic addition.
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Affiliation(s)
- Xiaotian Qi
- School of Chemistry and Chemical Engineering
- Chongqing University
- Chongqing 400030
- P. R. China
- College of Chemistry and Molecular Sciences
| | - Yingzi Li
- School of Chemistry and Chemical Engineering
- Chongqing University
- Chongqing 400030
- P. R. China
| | - Guanghui Zhang
- College of Chemistry and Molecular Sciences
- Wuhan University
- Wuhan 430072
- P. R. China
| | - Yang Li
- School of Chemistry and Chemical Engineering
- Chongqing University
- Chongqing 400030
- P. R. China
| | - Aiwen Lei
- College of Chemistry and Molecular Sciences
- Wuhan University
- Wuhan 430072
- P. R. China
| | - Chao Liu
- College of Chemistry and Molecular Sciences
- Wuhan University
- Wuhan 430072
- P. R. China
- State Key Laboratory for Oxo Synthesis and Selective Oxidation
| | - Yu Lan
- School of Chemistry and Chemical Engineering
- Chongqing University
- Chongqing 400030
- P. R. China
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34
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Oldenhof S, Lutz M, de Bruin B, van der Vlugt JI, Reek JNH. Well-Defined BisMETAMORPhos PdI–PdI Complex: Synthesis, Structural Characterization, and Reactivity. Organometallics 2014. [DOI: 10.1021/om5010622] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Sander Oldenhof
- Van’t
Hoff Institute for Molecular Sciences, University of Amsterdam, Science
Park 904, 1098 XH, Amsterdam, The Netherlands
| | - Martin Lutz
- Bijvoet
Center for Biomolecular Research, Crystal and Structural Chemistry, Utrecht University, Padualaan 8, 3584 CH Utrecht, The Netherlands
| | - Bas de Bruin
- Van’t
Hoff Institute for Molecular Sciences, University of Amsterdam, Science
Park 904, 1098 XH, Amsterdam, The Netherlands
| | - Jarl Ivar van der Vlugt
- Van’t
Hoff Institute for Molecular Sciences, University of Amsterdam, Science
Park 904, 1098 XH, Amsterdam, The Netherlands
| | - Joost N. H. Reek
- Van’t
Hoff Institute for Molecular Sciences, University of Amsterdam, Science
Park 904, 1098 XH, Amsterdam, The Netherlands
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35
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Proutiere F, Lyngvi E, Aufiero M, Sanhueza IA, Schoenebeck F. Combining the Reactivity Properties of PCy3 and PtBu3 into a Single Ligand, P(iPr)(tBu)2. Reaction via Mono- or Bisphosphine Palladium(0) Centers and Palladium(I) Dimer Formation. Organometallics 2014. [DOI: 10.1021/om5009605] [Citation(s) in RCA: 58] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Fabien Proutiere
- Institute
of Organic Chemistry, RWTH Aachen University, Landoltweg 1, 52056 Aachen, Germany
- Laboratory
for Organic Chemistry, ETH Zürich, Vladimir-Prelog-Weg 3, 8093 Zürich, Switzerland
| | - Eirik Lyngvi
- Institute
of Organic Chemistry, RWTH Aachen University, Landoltweg 1, 52056 Aachen, Germany
- Laboratory
for Organic Chemistry, ETH Zürich, Vladimir-Prelog-Weg 3, 8093 Zürich, Switzerland
| | - Marialuisa Aufiero
- Institute
of Organic Chemistry, RWTH Aachen University, Landoltweg 1, 52056 Aachen, Germany
- Laboratory
for Organic Chemistry, ETH Zürich, Vladimir-Prelog-Weg 3, 8093 Zürich, Switzerland
| | - Italo A. Sanhueza
- Institute
of Organic Chemistry, RWTH Aachen University, Landoltweg 1, 52056 Aachen, Germany
- Laboratory
for Organic Chemistry, ETH Zürich, Vladimir-Prelog-Weg 3, 8093 Zürich, Switzerland
| | - Franziska Schoenebeck
- Institute
of Organic Chemistry, RWTH Aachen University, Landoltweg 1, 52056 Aachen, Germany
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36
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Vikse KL, Ahmadi Z, Scott McIndoe J. The application of electrospray ionization mass spectrometry to homogeneous catalysis. Coord Chem Rev 2014. [DOI: 10.1016/j.ccr.2014.06.012] [Citation(s) in RCA: 75] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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37
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Kalvet I, Bonney KJ, Schoenebeck F. Kinetic and Computational Studies on Pd(I) Dimer-Mediated Halogen Exchange of Aryl Iodides. J Org Chem 2014; 79:12041-6. [DOI: 10.1021/jo501889j] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Indrek Kalvet
- Institute of Organic Chemistry, RWTH Aachen University, Landoltweg
1, 52074 Aachen, Germany
| | - Karl J. Bonney
- Institute of Organic Chemistry, RWTH Aachen University, Landoltweg
1, 52074 Aachen, Germany
| | - Franziska Schoenebeck
- Institute of Organic Chemistry, RWTH Aachen University, Landoltweg
1, 52074 Aachen, Germany
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38
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Borjian S, Baird MC. NMR Studies of the Species Present in Cross-Coupling Catalysis Systems Involving Pd(η3-1-Ph-C3H4)(η5-C5H5) and [Pd(η3-1-Ph-C3H4)Cl]2 Activated by PBut3, XPhos, and Mor-Dalphos: Nonexistence of Pd(XPhos)n and Pd(Mor-Dalphos)n (n = 1, 2) at Moderate Temperatures. Organometallics 2014. [DOI: 10.1021/om500618e] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Sogol Borjian
- Department
of Chemistry, Queen’s University, Kingston, Ontario K7L 3N6, Canada
| | - Michael C. Baird
- Department
of Chemistry, Queen’s University, Kingston, Ontario K7L 3N6, Canada
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39
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Bonney KJ, Schoenebeck F. Experiment and computation: a combined approach to study the reactivity of palladium complexes in oxidation states 0 toiv. Chem Soc Rev 2014; 43:6609-38. [DOI: 10.1039/c4cs00061g] [Citation(s) in RCA: 123] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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40
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Anand M, Sunoj RB, Schaefer HF. Non-innocent additives in a palladium(II)-catalyzed C-H bond activation reaction: insights into multimetallic active catalysts. J Am Chem Soc 2014; 136:5535-8. [PMID: 24697273 DOI: 10.1021/ja412770h] [Citation(s) in RCA: 104] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The role of a widely employed additive (AgOAc) in a palladium acetate-catalyzed ortho-C-H bond activation reaction has been examined using the M06 density functional theory. A new hetero-bimetallic Pd-(μ-OAc)3-Ag is identified as the most likely active species. This finding could have far-reaching implications with respect to the notion of the active species in palladium catalysis in the presence of other metal salt additives.
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Affiliation(s)
- Megha Anand
- Center for Computational Quantum Chemistry, University of Georgia Athens, Georgia 30602, United States
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41
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Lin S, Herbert DE, Velian A, Day MW, Agapie T. Dipalladium(I) terphenyl diphosphine complexes as models for two-site adsorption and activation of organic molecules. J Am Chem Soc 2013; 135:15830-40. [PMID: 24066959 PMCID: PMC3851319 DOI: 10.1021/ja406696k] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
A para-terphenyl diphosphine was employed to support a dipalladium(I) moiety. Unlike previously reported dipalladium(I) species, the present system provides a single molecular hemisphere for binding of ligands across two metal centers, enabling the characterization and comparison of the binding of a wide variety of saturated and unsaturated organic molecules. The dipalladium(I) terphenyl diphosphine toluene-capped complex was synthesized from a dipalladium(I) hexaacetonitrile precursor in the presence of toluene. The palladium centers display interactions with the π-systems of the central ring of the terphenyl unit and that of the toluene. Exchange of toluene for anisole, 1,3-butadiene, 1,3-cyclohexadiene, thiophenes, pyrroles, or furans resulted in well-defined π-bound complexes which were studied by crystallography, nuclear magnetic resonance (NMR) spectroscopy, and density functional theory. Structural characterization shows that the interactions of the dipalladium unit with the central arene of the diphosphine does not vary significantly in this series allowing for a systematic comparison of the binding of the incoming ligands to the dipalladium moiety. Several of the complexes exhibit rare μ-η(2):η(2) or μ-η(2):η(1)(O or S) bridging motifs. Hydrogenation of the thiophene and benzothiophene adducts was demonstrated to proceed at room temperature. The relative binding strength of the neutral ligands was determined by competition experiments monitored by NMR spectroscopy. The relative equilibrium constants for ligand substitution span over 13 orders of magnitude. This represents the most comprehensive analysis to date of the relative binding of heterocycles and unsaturated ligands to bimetallic sites. Binding interactions were computationally studied with electrostatic potentials and molecular orbital analysis. Anionic ligands were also demonstrated to form π-bound complexes.
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Affiliation(s)
- Sibo Lin
- Department of Chemistry and Chemical Engineering, California Institute of Technology, 1200 East California Boulevard MC127-72, Pasadena, California 91125, United States
| | - David E. Herbert
- Department of Chemistry and Chemical Engineering, California Institute of Technology, 1200 East California Boulevard MC127-72, Pasadena, California 91125, United States
| | - Alexandra Velian
- Department of Chemistry and Chemical Engineering, California Institute of Technology, 1200 East California Boulevard MC127-72, Pasadena, California 91125, United States
| | - Michael W. Day
- Department of Chemistry and Chemical Engineering, California Institute of Technology, 1200 East California Boulevard MC127-72, Pasadena, California 91125, United States
| | - Theodor Agapie
- Department of Chemistry and Chemical Engineering, California Institute of Technology, 1200 East California Boulevard MC127-72, Pasadena, California 91125, United States
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42
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Preise der Royal Society für 2013. Angew Chem Int Ed Engl 2013. [DOI: 10.1002/ange.201305988] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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43
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Royal Society of Chemistry Awards 2013. Angew Chem Int Ed Engl 2013. [DOI: 10.1002/anie.201305988] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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44
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Chalkley MJ, Guard LM, Hazari N, Hofmann P, Hruszkewycz DP, Schmeier TJ, Takase MK. Synthesis, Electronic Structure, and Reactivity of Palladium(I) Dimers with Bridging Allyl, Cyclopentadienyl, and Indenyl Ligands. Organometallics 2013. [DOI: 10.1021/om400415c] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Matthew J. Chalkley
- The Department of Chemistry, Yale University, P.O. Box 208107, New
Haven, Connecticut 06520, United States
| | - Louise M. Guard
- The Department of Chemistry, Yale University, P.O. Box 208107, New
Haven, Connecticut 06520, United States
| | - Nilay Hazari
- The Department of Chemistry, Yale University, P.O. Box 208107, New
Haven, Connecticut 06520, United States
| | - Peter Hofmann
- Organisch-Chemisches
Institut, University of Heidelberg, Im Neuenheimer Feld 270, D-69120 Heidelberg,
Germany
| | - Damian P. Hruszkewycz
- The Department of Chemistry, Yale University, P.O. Box 208107, New
Haven, Connecticut 06520, United States
| | - Timothy J. Schmeier
- The Department of Chemistry, Yale University, P.O. Box 208107, New
Haven, Connecticut 06520, United States
| | - Michael K. Takase
- The Department of Chemistry, Yale University, P.O. Box 208107, New
Haven, Connecticut 06520, United States
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Beck R, Johnson SA. Dinuclear Ni(I)—Ni(I) Complexes with Syn-Facial Bridging Ligands from Ni(I) Precursors or Ni(II)/Ni(0) Comproportionation. Organometallics 2013. [DOI: 10.1021/om4001633] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Robert Beck
- Department of Chemistry
and Biochemistry, University of Windsor, Sunset Avenue 401, Windsor, Ontario N9B 3P4, Canada
| | - Samuel A. Johnson
- Department of Chemistry
and Biochemistry, University of Windsor, Sunset Avenue 401, Windsor, Ontario N9B 3P4, Canada
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Murahashi T, Takase K, Usui K, Kimura S, Fujimoto M, Uemura T, Ogoshi S, Yamamoto K. Trinuclear palladium addition to unsaturated carbocycles. Dalton Trans 2013; 42:10626-32. [DOI: 10.1039/c3dt51018b] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Bonney KJ, Proutiere F, Schoenebeck F. Dinuclear Pd(i) complexes—solely precatalysts? Demonstration of direct reactivity of a Pd(i) dimer with an aryl iodide. Chem Sci 2013. [DOI: 10.1039/c3sc52054d] [Citation(s) in RCA: 91] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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