1
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Martín J, Schörgenhumer J, Biedrzycki M, Nevado C. (P^N^C) Ligands to Stabilize Gold(III): A Straightforward Access to Hydroxo, Formate, and Hydride Complexes. Inorg Chem 2024; 63:8390-8396. [PMID: 38657169 PMCID: PMC11080065 DOI: 10.1021/acs.inorgchem.4c00788] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2024] [Revised: 04/09/2024] [Accepted: 04/10/2024] [Indexed: 04/26/2024]
Abstract
A novel class of (P^N^C) pincer ligands capable of stabilizing elusive gold(III) species is reported here. Straightforward access to (P^N^C)gold(III) hydroxo, formate, and hydride complexes has been streamlined by first incorporating a cycloauration step devoid of toxic metals or harsh conditions. The resulting gold complexes exhibit remarkable stability in solution as well as in the solid state under ambient conditions, which enabled their characterization by X-ray diffraction analyses. Interestingly, the influence of the ligand allowed the preparation of gold(III)-hydrides using mild hydride donors such as H-Bpin, which contrasts with sensitive super hydrides or strong acids and cryogenic conditions employed in previous protocols. A detailed bonding characterization of these species is complemented by reactivity studies.
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Affiliation(s)
- Jaime Martín
- Department of Chemistry, University
of Zurich, Winterthurerstrasse 190, Zurich, CH 8057, Switzerland
| | - Johannes Schörgenhumer
- Department of Chemistry, University
of Zurich, Winterthurerstrasse 190, Zurich, CH 8057, Switzerland
| | - Michał Biedrzycki
- Department of Chemistry, University
of Zurich, Winterthurerstrasse 190, Zurich, CH 8057, Switzerland
| | - Cristina Nevado
- Department of Chemistry, University
of Zurich, Winterthurerstrasse 190, Zurich, CH 8057, Switzerland
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2
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Vesseur D, Li S, Mallet-Ladeira S, Miqueu K, Bourissou D. Ligand-Enabled Oxidative Fluorination of Gold(I) and Light-Induced Aryl-F Coupling at Gold(III). J Am Chem Soc 2024. [PMID: 38607393 DOI: 10.1021/jacs.4c00913] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/13/2024]
Abstract
MeDalphos Au(I) complexes featuring aryl, alkynyl, and alkyl groups readily react with electrophilic fluorinating reagents such as N-fluorobenzenesulfonimide and Selectfluor. The ensuing [(MeDalphos)Au(R)F]+ complexes have been isolated and characterized by multinuclear NMR spectroscopy as well as X-ray diffraction. They adopt a square-planar contra-thermodynamic structure, with F trans to N. DFT/IBO calculations show that the N lone pair of MeDalphos assists and directs the transfer of F+ to gold. The [(MeDalphos)Au(Ar)F]+ (Ar = Mes, 2,6-F2Ph) complexes smoothly engage in C-C cross-coupling with PhCCSiMe3 and Me3SiCN, providing direct evidence for the oxidative fluorination/transmetalation/reductive elimination sequence proposed for F+-promoted gold-catalyzed transformations. Moreover, direct reductive elimination to forge a C-F bond at Au(III) was explored and substantiated. Thermal means proved unsuccessful, leading mostly to decomposition, but irradiation with UV-visible light enabled efficient promotion of aryl-F coupling (up to 90% yield). The light-induced reductive elimination proceeds under mild conditions; it works even with the electron-deprived 2,6-difluorophenyl group, and it is not limited to the contra-thermodynamic form of the aryl Au(III) fluoride complexes.
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Affiliation(s)
- David Vesseur
- Laboratoire Hétérochimie Fondamentale et Appliquée (LHFA, UMR 5069) , CNRS/Université Paul Sabatier , 118 Route de Narbonne, 31062 Toulouse, Cedex 09, France
| | - Shuo Li
- Laboratoire Hétérochimie Fondamentale et Appliquée (LHFA, UMR 5069) , CNRS/Université Paul Sabatier , 118 Route de Narbonne, 31062 Toulouse, Cedex 09, France
| | - Sonia Mallet-Ladeira
- Institut de Chimie de Toulouse (UAR 2599) , 118 Route de Narbonne, 31062 Toulouse, Cedex 09, France
| | - Karinne Miqueu
- E2S-UPPA, Institut des Sciences Analytiques et de Physico-Chimie pour l'Environnement et les Matériaux (IPREM, UMR 5254), CNRS/Université de Pau et des Pays de l'Adour, Hélioparc, 2 Avenue du Président Angot, 64053 Pau, Cedex 09, France
| | - Didier Bourissou
- Laboratoire Hétérochimie Fondamentale et Appliquée (LHFA, UMR 5069) , CNRS/Université Paul Sabatier , 118 Route de Narbonne, 31062 Toulouse, Cedex 09, France
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3
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Shiri F, Ho CC, Bissember AC, Ariafard A. Advancing Gold Redox Catalysis: Mechanistic Insights, Nucleophilicity-Guided Transmetalation, and Predictive Frameworks for the Oxidation of Aryl Gold(I) Complexes. Chemistry 2024; 30:e202302990. [PMID: 37967304 DOI: 10.1002/chem.202302990] [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: 09/14/2023] [Indexed: 11/17/2023]
Abstract
Gold redox catalysis, often facilitated by hypervalent iodine(III) reagents, offers unique reactivity but its progress is mainly hindered by an incomplete mechanistic understanding. In this study, we investigated the reaction between the gold(I) complexes [(aryl)Au(PR3 )] and the hypervalent iodine(III) reagent PhICl2 , both experimentally and computationally and provided an explanation for the formation of divergent products as the ligands bonded to the gold(I) center change. We tackled this essential question by uncovering an intriguing transmetalation mechanism that takes place between gold(I) and gold(III) complexes. We found that the ease of transmetalation is governed by the nucleophilicity of the gold(I) complex, [(aryl)Au(PR3 )], with greater nucleophilicity leading to a lower activation energy barrier. Remarkably, transmetalation is mainly controlled by a single orbital - the gold dx 2 -y 2 orbital. This orbital also has a profound influence on the reactivity of the oxidative addition step. In this way, the fundamental mechanistic basis of divergent outcomes in reactions of aryl gold(I) complexes with PhICl2 was established and these observations are reconciled from first principles. The theoretical model developed in this study provides a conceptual framework for anticipating the outcomes of reactions involving [(aryl)Au(PR3 )] with PhICl2 , thereby establishing a solid foundation for further advancements in this field.
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Affiliation(s)
- Farshad Shiri
- Department of Chemistry, Islamic Azad University, Central Tehran Branch, Poonak, Tehran, Iran
| | - Curtis C Ho
- School of Natural Sciences - Chemistry, University of Tasmania, Hobart, Tasmania, 7001, Australia
| | - Alex C Bissember
- School of Natural Sciences - Chemistry, University of Tasmania, Hobart, Tasmania, 7001, Australia
| | - Alireza Ariafard
- Research School of Chemistry, Australian National University, Canberra, ACT, 2601, Australia
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4
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Rao WH, Li YG, Jiang LL, Li Q, Zou GD, Cao X. Metal-Free Selective Ortho-C-H Amidation of Hypervalent(III) Iodobezenes with N-Methoxy Amides under Mild Conditions. J Org Chem 2023; 88:13825-13837. [PMID: 37737590 DOI: 10.1021/acs.joc.3c01472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/23/2023]
Abstract
A metal-free selective ortho-C-H amidation of aryl iodines(III) with the use of N-methoxy amides as aminating reagents under mild conditions is described here. In the protocol, excellent chemoselectivity and high regioselectivity were obtained. Notably, the iodine substituent rendered the amidation product suitable to be used for further elaboration.
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Affiliation(s)
- Wei-Hao Rao
- College of Chemistry and Chemical Engineering, Xinyang Normal University, Xinyang 464000, China
- Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, Hubei University, Wuhan 430062, China
| | - Ying-Ge Li
- College of Chemistry and Chemical Engineering, Xinyang Normal University, Xinyang 464000, China
| | - Li-Li Jiang
- College of Chemistry and Chemical Engineering, Xinyang Normal University, Xinyang 464000, China
| | - Qi Li
- College of Chemistry and Chemical Engineering, Xinyang Normal University, Xinyang 464000, China
| | - Guo-Dong Zou
- College of Chemistry and Chemical Engineering, Xinyang Normal University, Xinyang 464000, China
| | - Xinhua Cao
- College of Chemistry and Chemical Engineering, Xinyang Normal University, Xinyang 464000, China
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5
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Shiri F, Ariafard A. Mechanistic details for oxidative addition of PhICl 2 to gold( i) complexes. Chem Commun (Camb) 2023; 59:4668-4671. [PMID: 36994794 DOI: 10.1039/d3cc00543g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/31/2023]
Abstract
Our study discovered a new stepwise mechanism for the oxidative addition of PhICl2 to LAuAr. Fewer electron-withdrawing substituents on the Ar ligand increase the energy of Au(i) dx2−y2 orbital, making the reaction easier to achieve.
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Affiliation(s)
- Farshad Shiri
- Department of Chemistry, Islamic Azad University, Central Tehran Branch, Poonak, Tehran, Iran
| | - Alireza Ariafard
- Department of Chemistry, Islamic Azad University, Central Tehran Branch, Poonak, Tehran, Iran
- School of Natural Science (Chemistry), University of Tasmania, Private Bag 75, Hobart, TAS 7001, Australia
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6
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Duan A, Xiao F, Lan Y, Niu L. Mechanistic views and computational studies on transition-metal-catalyzed reductive coupling reactions. Chem Soc Rev 2022; 51:9986-10015. [PMID: 36374254 DOI: 10.1039/d2cs00371f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Transition-metal-catalyzed reductive coupling reactions have been considered as a powerful tool to convert two electrophiles into value-added products. Numerous related reports have shown the fascinating potential. Mechanistic studies, especially theoretical studies, can provide important implications for the design of novel reductive coupling reactions. In this review, we summarize the representative advancements in theoretical studies on transition-metal-catalyzed reductive coupling reactions and systematically elaborate the mechanisms for the key steps of reductive coupling reactions. The activation modes of electrophiles and the deep insights of selectivity generation are mechanistically discussed. In addition, the mechanism of the reduction of high-oxidation-state catalysts and further construction of new chemical bonds are also described in detail.
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Affiliation(s)
- Abing Duan
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, China.
| | - Fengjiao Xiao
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, China.
| | - Yu Lan
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou, Henan, China. .,School of Chemistry and Chemical Engineering, Chongqing Key Laboratory of Theoretical and Computational Chemistry, Chongqing University, Chongqing 400030, China
| | - Linbin Niu
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou, Henan, China.
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7
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Martín J, Gómez‐Bengoa E, Genoux A, Nevado C. Synthesis of Cyclometalated Gold(III) Complexes via Catalytic Rhodium to Gold(III) Transmetalation. Angew Chem Int Ed Engl 2022; 61:e202116755. [DOI: 10.1002/anie.202116755] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Indexed: 11/07/2022]
Affiliation(s)
- Jaime Martín
- Department of Chemistry University of Zurich Winterthurerstrasse 190 8057 Zurich Switzerland
| | - Enrique Gómez‐Bengoa
- Department of Organic Chemistry I University of the Basque Country UPV/EHU Manuel Lardizabal 3 Donostia-San Sebastián Spain
| | - Alexandre Genoux
- Department of Chemistry University of Zurich Winterthurerstrasse 190 8057 Zurich Switzerland
| | - Cristina Nevado
- Department of Chemistry University of Zurich Winterthurerstrasse 190 8057 Zurich Switzerland
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8
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Das A, Patil NT. Enantioselective C-H Functionalization Reactions under Gold Catalysis. Chemistry 2022; 28:e202104371. [PMID: 35014732 DOI: 10.1002/chem.202104371] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Indexed: 01/18/2023]
Abstract
Transition metal-catalyzed enantioselective functionalization of ubiquitous C-H bonds has proven to be promising field as it offers the construction of chiral molecular complexity in a step- and atom-economical manner. In recent years, gold has emerged as an attractive contender for catalyzing such reactions. The unique reactivities and selectivities offered by gold catalysts have been exploited to access numerous asymmetric transformations based on gold-catalyzed C-H functionalization processes. Herein, this review critically highlights the major advances and discoveries made in the enantioselective C-H functionalization under gold catalysis which is accompanied by mechanistic insights at appropriate places.
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Affiliation(s)
- Avishek Das
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal Bhauri, Bhopal, 462 066, India
| | - Nitin T Patil
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal Bhauri, Bhopal, 462 066, India
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9
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Martín J, Gómez‐Bengoa E, Genoux A, Nevado C. Synthesis of Cyclometalated Gold(III) Complexes via Catalytic Rhodium to Gold(III) Transmetalation. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202116755] [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]
Affiliation(s)
- Jaime Martín
- Department of Chemistry University of Zurich Winterthurerstrasse 190 8057 Zurich Switzerland
| | - Enrique Gómez‐Bengoa
- Department of Organic Chemistry I University of the Basque Country UPV/EHU Manuel Lardizabal 3 Donostia-San Sebastián Spain
| | - Alexandre Genoux
- Department of Chemistry University of Zurich Winterthurerstrasse 190 8057 Zurich Switzerland
| | - Cristina Nevado
- Department of Chemistry University of Zurich Winterthurerstrasse 190 8057 Zurich Switzerland
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10
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Szalóki G, Babinot J, Martin-Diaconescu V, Mallet-Ladeira S, García-Rodeja Y, Miqueu K, Bourissou D. Ligand-enabled oxidation of gold( i) complexes with o-quinones. Chem Sci 2022; 13:10499-10505. [PMID: 36277619 PMCID: PMC9473537 DOI: 10.1039/d2sc03724f] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Accepted: 08/03/2022] [Indexed: 11/30/2022] Open
Abstract
Chelating P^P and hemilabile P^N ligands were found to trigger the oxidation of Au(i) complexes by o-benzoquinones. The ensuing Au(iii) catecholate complexes have been characterized by NMR spectroscopy, single crystal X-ray diffraction and X-ray absorption spectroscopy. They adopt tetracoordinate square-planar structures. Reactivity studies substantiate the reversibility of the transformation. In particular, the addition of competing ligands such as chloride and alkenes gives back Au(i) complexes with concomitant release of the o-quinone. DFT calculations provide insight about the structure and relative stability of the Au(i) o-quinone and Au(iii) catecholate forms, and shed light on the 2-electron transfer from gold to the o-quinone. Chelating P^P and hemilabile P^N ligands were found to trigger the oxidation of Au(i) complexes by o-benzoquinones.![]()
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Affiliation(s)
- György Szalóki
- Laboratoire Hétérochimie Fondamentale et Appliquée (LHFA, UMR 5069), CNRS, Université Toulouse III – Paul Sabatier, 118 Route de Narbonne, Toulouse 31062, Cedex 09, France
| | - Julien Babinot
- Laboratoire Hétérochimie Fondamentale et Appliquée (LHFA, UMR 5069), CNRS, Université Toulouse III – Paul Sabatier, 118 Route de Narbonne, Toulouse 31062, Cedex 09, France
| | - Vlad Martin-Diaconescu
- ALBA Synchrotron – CELLS, Carrer de la Llum 2-26, Cerdanyola del Vallès 08290, Barcelona, Spain
| | - Sonia Mallet-Ladeira
- Institut de Chimie de Toulouse (UAR 2599), 118 Route de Narbonne, Toulouse 31062, Cedex 09, France
| | - Yago García-Rodeja
- Institut des Sciences Analytiques et Physico-Chimie pour l’Environnement et les Matériaux (IPREM, UMR 5254), CNRS, Université de Pau et des Pays de l’Adour E2S UPPA, Hélioparc, 2 Avenue du Président Angot, Pau 64053, Cedex 09, France
| | - Karinne Miqueu
- Institut des Sciences Analytiques et Physico-Chimie pour l’Environnement et les Matériaux (IPREM, UMR 5254), CNRS, Université de Pau et des Pays de l’Adour E2S UPPA, Hélioparc, 2 Avenue du Président Angot, Pau 64053, Cedex 09, France
| | - Didier Bourissou
- Laboratoire Hétérochimie Fondamentale et Appliquée (LHFA, UMR 5069), CNRS, Université Toulouse III – Paul Sabatier, 118 Route de Narbonne, Toulouse 31062, Cedex 09, France
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11
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Yasukawa N, Yamada Y, Furugen C, Miki Y, Sajiki H, Sawama Y. Gold-Catalyzed Tandem Oxidative Coupling Reaction between β-Ketoallenes and Electron-Rich Arenes to 2-Furylmethylarenes. Org Lett 2021; 23:5891-5895. [PMID: 34320804 DOI: 10.1021/acs.orglett.1c02007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A tandem oxidative coupling reaction of β-ketoallenes and arenes was developed, which leads to the formation of 2-furylmethylarenes using AuCl3 and phenyliodine diacetate. The AuIII salt catalyzed the cyclization of β-ketoallenes to form a 2-furylmethyl gold intermediate, and the subsequent C-H functionalization of arenes proceeded smoothly. During the oxidative coupling, nucleophilic additions occurred at the center and terminal carbon atoms of the allene moiety to form C-O and C-C bonds.
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Affiliation(s)
- Naoki Yasukawa
- Laboratory of Organic Chemistry, Gifu Pharmaceutical University, 1-25-4-Daigaku-nishi, Gifu 501-1196, Japan
| | - Yutaro Yamada
- Laboratory of Organic Chemistry, Gifu Pharmaceutical University, 1-25-4-Daigaku-nishi, Gifu 501-1196, Japan
| | - Chikara Furugen
- Laboratory of Organic Chemistry, Gifu Pharmaceutical University, 1-25-4-Daigaku-nishi, Gifu 501-1196, Japan
| | - Yuya Miki
- Laboratory of Organic Chemistry, Gifu Pharmaceutical University, 1-25-4-Daigaku-nishi, Gifu 501-1196, Japan
| | - Hironao Sajiki
- Laboratory of Organic Chemistry, Gifu Pharmaceutical University, 1-25-4-Daigaku-nishi, Gifu 501-1196, Japan
| | - Yoshinari Sawama
- Laboratory of Organic Chemistry, Gifu Pharmaceutical University, 1-25-4-Daigaku-nishi, Gifu 501-1196, Japan
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12
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Daley RA, Morrenzin AS, Neufeldt SR, Topczewski JJ. Mechanistic Investigation into the Gold-Catalyzed Decarboxylative Cross-Coupling of Iodoarenes. ACS Catal 2021. [DOI: 10.1021/acscatal.1c01631] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Ryan A. Daley
- Department of Chemistry, University of Minnesota Twin Cities, Minneapolis, Minnesota 55455, United States
| | - Aaron S. Morrenzin
- Department of Chemistry and Biochemistry, Montana State University, Bozeman, Montana 59717, United States
| | - Sharon R. Neufeldt
- Department of Chemistry and Biochemistry, Montana State University, Bozeman, Montana 59717, United States
| | - Joseph J. Topczewski
- Department of Chemistry, University of Minnesota Twin Cities, Minneapolis, Minnesota 55455, United States
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13
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Genoux A, Biedrzycki M, Merino E, Rivera-Chao E, Linden A, Nevado C. Synthesis and Characterization of Bidentate (P^N)Gold(III) Fluoride Complexes: Reactivity Platforms for Reductive Elimination Studies. Angew Chem Int Ed Engl 2021; 60:4164-4168. [PMID: 33015997 DOI: 10.1002/anie.202009359] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Revised: 09/09/2020] [Indexed: 01/04/2023]
Abstract
A new family of cationic, bidentate (P^N)gold(III) fluoride complexes has been prepared and a detailed characterization of the gold-fluoride bond has been carried out. Our results correlate with the observed reactivity of the fluoro ligand, which undergoes facile exchange with both cyano and acetylene nucleophiles. The resulting (P^N)arylgold(III)C(sp) complexes have enabled the first study of reductive elimination on (P^N)gold(III) systems, which demonstrated that C(sp2 )-C(sp) bond formation occurs at higher rates than those reported for analogous phosphine-based monodentate systems.
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Affiliation(s)
- Alexandre Genoux
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, 8057, Zürich, Switzerland
| | - Michał Biedrzycki
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, 8057, Zürich, Switzerland
| | - Estíbaliz Merino
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, 8057, Zürich, Switzerland.,Current address: Department of Organic and Inorganic Chemistry, Chemical Research Institute Andrés M. del Río (IQAR), University of Alcalá, 28805-Alcalá de Henares, Madrid, Spain
| | - Eva Rivera-Chao
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, 8057, Zürich, Switzerland
| | - Anthony Linden
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, 8057, Zürich, Switzerland
| | - Cristina Nevado
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, 8057, Zürich, Switzerland
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14
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Zheng Z, Ma X, Cheng X, Zhao K, Gutman K, Li T, Zhang L. Homogeneous Gold-Catalyzed Oxidation Reactions. Chem Rev 2021; 121:8979-9038. [DOI: 10.1021/acs.chemrev.0c00774] [Citation(s) in RCA: 73] [Impact Index Per Article: 24.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Zhitong Zheng
- Department of Chemistry and Biochemistry, University of California, Santa Barbara, California 93106, United States
| | - Xu Ma
- Department of Chemistry and Biochemistry, University of California, Santa Barbara, California 93106, United States
| | - Xinpeng Cheng
- Department of Chemistry and Biochemistry, University of California, Santa Barbara, California 93106, United States
| | - Ke Zhao
- Department of Chemistry and Biochemistry, University of California, Santa Barbara, California 93106, United States
| | - Kaylaa Gutman
- Department of Chemistry and Biochemistry, University of California, Santa Barbara, California 93106, United States
| | - Tianyou Li
- Department of Chemistry and Biochemistry, University of California, Santa Barbara, California 93106, United States
| | - Liming Zhang
- Department of Chemistry and Biochemistry, University of California, Santa Barbara, California 93106, United States
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15
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Genoux A, Biedrzycki M, Merino E, Rivera‐Chao E, Linden A, Nevado C. Synthesis and Characterization of Bidentate (P^N)Gold(III) Fluoride Complexes: Reactivity Platforms for Reductive Elimination Studies. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202009359] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Alexandre Genoux
- Department of Chemistry University of Zurich Winterthurerstrasse 190 8057 Zürich Switzerland
| | - Michał Biedrzycki
- Department of Chemistry University of Zurich Winterthurerstrasse 190 8057 Zürich Switzerland
| | - Estíbaliz Merino
- Department of Chemistry University of Zurich Winterthurerstrasse 190 8057 Zürich Switzerland
- Current address: Department of Organic and Inorganic Chemistry Chemical Research Institute Andrés M. del Río (IQAR) University of Alcalá 28805-Alcalá de Henares Madrid Spain
| | - Eva Rivera‐Chao
- Department of Chemistry University of Zurich Winterthurerstrasse 190 8057 Zürich Switzerland
| | - Anthony Linden
- Department of Chemistry University of Zurich Winterthurerstrasse 190 8057 Zürich Switzerland
| | - Cristina Nevado
- Department of Chemistry University of Zurich Winterthurerstrasse 190 8057 Zürich Switzerland
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16
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González JA, Verdugo F, Mascareñas JL, López F, Nevado C. [C^N]-Alkenyl Gold(III) Complexes by Proximal Ring-Opening of (2-Pyridyl)alkylidenecyclopropanes: Mechanistic Insights. Angew Chem Int Ed Engl 2020; 59:20049-20054. [PMID: 32671957 DOI: 10.1002/anie.202007371] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Revised: 07/10/2020] [Indexed: 12/29/2022]
Abstract
Pyridine-substituted alkylidenecyclopropanes (Py-ACPs) react with gold(III) salts under mild reaction conditions through an unprecedented, proximal ring-opening pathway, to generate highly appealing, catalytically active pyridine alkenyl [C^N]-gold(III) species. Mechanistic studies reveal that the activation of the C-C bond of the ACP takes place through an unusual concerted, σ-bond metathesis type-process.
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Affiliation(s)
- Jorge A González
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, 8057, Zürich, Switzerland
| | - Felipe Verdugo
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS) and Departamento de Química Orgánica, Universidad de Santiago de Compostela, Spain
| | - José Luis Mascareñas
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS) and Departamento de Química Orgánica, Universidad de Santiago de Compostela, Spain
| | - Fernando López
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS) and Departamento de Química Orgánica, Universidad de Santiago de Compostela, Spain.,Instituto de Química Orgánica General (CSIC), Madrid, Spain
| | - Cristina Nevado
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, 8057, Zürich, Switzerland
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17
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González JA, Verdugo F, Mascareñas JL, López F, Nevado C. [C^N]‐Alkenyl Gold(III) Complexes by Proximal Ring‐Opening of (2‐Pyridyl)alkylidenecyclopropanes: Mechanistic Insights. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202007371] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Jorge A. González
- Department of Chemistry University of Zurich Winterthurerstrasse 190 8057 Zürich Switzerland
| | - Felipe Verdugo
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS) and Departamento de Química Orgánica Universidad de Santiago de Compostela Spain
| | - José Luis Mascareñas
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS) and Departamento de Química Orgánica Universidad de Santiago de Compostela Spain
| | - Fernando López
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS) and Departamento de Química Orgánica Universidad de Santiago de Compostela Spain
- Instituto de Química Orgánica General (CSIC) Madrid Spain
| | - Cristina Nevado
- Department of Chemistry University of Zurich Winterthurerstrasse 190 8057 Zürich Switzerland
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18
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Genoux A, González JA, Merino E, Nevado C. Mechanistic Insights into C(sp 2 )-C(sp)N Reductive Elimination from Gold(III) Cyanide Complexes. Angew Chem Int Ed Engl 2020; 59:17881-17886. [PMID: 32648359 DOI: 10.1002/anie.202005731] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Revised: 06/04/2020] [Indexed: 01/14/2023]
Abstract
A new family of phosphine-ligated dicyanoarylgold(III) complexes has been prepared and their reactivity towards reductive elimination has been studied in detail. Both, a highly positive entropy of activation and a primary 12/13 C KIE suggest a late concerted transition state while Hammett analysis and DFT calculations indicate that the process is asynchronous. As a result, a distinct mechanism involving an asynchronous concerted reductive elimination for the overall C(sp2 )-C(sp)N bond forming reaction is characterized herein, for the first time, complementing previous studies reported for C(sp3 )-C(sp3 ), C(sp2 )-C(sp2 ), and C(sp3 )-C(sp2 ) bond formation processes taking place on gold(III) species.
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Affiliation(s)
- Alexandre Genoux
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, 8057, Zürich, Switzerland
| | - Jorge A González
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, 8057, Zürich, Switzerland
| | - Estíbaliz Merino
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, 8057, Zürich, Switzerland.,Current address: Department of Organic and Inorganic Chemistry, Chemical Research Institute Andrés M. del Río (IQAR) University of Alcalá, 28805, Alcalá de Henares, Madrid, Spain
| | - Cristina Nevado
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, 8057, Zürich, Switzerland
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19
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Rocchigiani L, Bochmann M. Recent Advances in Gold(III) Chemistry: Structure, Bonding, Reactivity, and Role in Homogeneous Catalysis. Chem Rev 2020; 121:8364-8451. [DOI: 10.1021/acs.chemrev.0c00552] [Citation(s) in RCA: 64] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- Luca Rocchigiani
- School of Chemistry, University of East Anglia, Norwich Research Park, Norwich NR47TJ, United Kingdom
| | - Manfred Bochmann
- School of Chemistry, University of East Anglia, Norwich Research Park, Norwich NR47TJ, United Kingdom
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20
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Zhang JS, Liu L, Chen T, Han LB. Cross-Dehydrogenative Alkynylation: A Powerful Tool for the Synthesis of Internal Alkynes. CHEMSUSCHEM 2020; 13:4776-4794. [PMID: 32667732 DOI: 10.1002/cssc.202001165] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2020] [Revised: 07/13/2020] [Indexed: 06/11/2023]
Abstract
Alkynes are among the most fundamentally important organic compounds and are widely used in synthetic chemistry, biochemistry, and materials science. Thus, the development of an efficient and sustainable method for the preparation of alkynes has been a central concern in organic synthesis. Cross-dehydrogenative coupling utilizing E-H and Z-H bonds in two different molecules can avoid the need for prefunctionalization of starting materials and has become one of the most straightforward methods for the construction of E-Z chemical bonds. This Review summarizes recent progress in the preparation of internal alkynes by cross-dehydrogenative coupling with terminal alkynes.
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Affiliation(s)
- Ji-Shu Zhang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, P. R. China
| | - Long Liu
- Key Laboratory of Ministry of Education for Advanced Materials in Tropical Island Resources, College of Chemical Engineering and Technology, Hainan University, Haikou, 570228, P. R. China
| | - Tieqiao Chen
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, P. R. China
- Key Laboratory of Ministry of Education for Advanced Materials in Tropical Island Resources, College of Chemical Engineering and Technology, Hainan University, Haikou, 570228, P. R. China
| | - Li-Biao Han
- Division of Chemistry, Faculty of Pure and Applied Sciences, University of Tsukuba, Tsukuba, Ibaraki, 3058571, Japan
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21
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Genoux A, González JA, Merino E, Nevado C. Mechanistic Insights into C(sp
2
)−C(sp)N Reductive Elimination from Gold(III) Cyanide Complexes. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202005731] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Alexandre Genoux
- Department of Chemistry University of Zurich Winterthurerstrasse 190 8057 Zürich Switzerland
| | - Jorge A. González
- Department of Chemistry University of Zurich Winterthurerstrasse 190 8057 Zürich Switzerland
| | - Estíbaliz Merino
- Department of Chemistry University of Zurich Winterthurerstrasse 190 8057 Zürich Switzerland
- Current address: Department of Organic and Inorganic Chemistry Chemical Research Institute Andrés M. del Río (IQAR) University of Alcalá 28805, Alcalá de Henares Madrid Spain
| | - Cristina Nevado
- Department of Chemistry University of Zurich Winterthurerstrasse 190 8057 Zürich Switzerland
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22
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Daley RA, Morrenzin AS, Neufeldt SR, Topczewski JJ. Gold Catalyzed Decarboxylative Cross-Coupling of Iodoarenes. J Am Chem Soc 2020; 142:13210-13218. [PMID: 32634305 DOI: 10.1021/jacs.0c06244] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
This report details a decarboxylative cross-coupling of (hetero)aryl carboxylates with iodoarenes in the presence of a gold catalyst (>25 examples, up to 96% yield). This reaction is site specific, which overcomes prior limitations associated with gold catalyzed oxidative coupling reactions. The reactivity of the (hetero)aryl carboxylate correlates qualitatively to the field effect parameter (Fortho). Reactions with isolated gold complexes and DFT calculations support a mechanism proceeding through oxidative addition at a gold(I) cation with decarboxylation being viable at either a gold(I) or a silver(I) species.
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Affiliation(s)
- Ryan A Daley
- Department of Chemistry, University of Minnesota Twin Cities, Minneapolis, Minnesota 55455, United States
| | - Aaron S Morrenzin
- Department of Chemistry and Biochemistry, Montana State University, Bozeman, Montana 59717, United States
| | - Sharon R Neufeldt
- Department of Chemistry and Biochemistry, Montana State University, Bozeman, Montana 59717, United States
| | - Joseph J Topczewski
- Department of Chemistry, University of Minnesota Twin Cities, Minneapolis, Minnesota 55455, United States
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23
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Wang J, Wei C, Li X, Zhao P, Shan C, Wojtas L, Chen H, Shi X. Gold Redox Catalysis with a Selenium Cation as a Mild Oxidant. Chemistry 2020; 26:5946-5950. [PMID: 32037616 PMCID: PMC7220824 DOI: 10.1002/chem.202000166] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2020] [Revised: 02/02/2020] [Indexed: 02/03/2023]
Abstract
Gold-catalyzed alkyne and allene diselenations were developed. Excellent regioselectivity (trans) and good to excellent yields were achieved (up to 98 % with 2 % catalyst loading) with a wide range of substrates. Mechanistic investigation revealed the formation of a vinyl gold(I) intermediate followed by an intermolecular selenium cation migration, suggesting that a gold(I/III) redox process was successfully implemented under mild conditions.
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Affiliation(s)
- Jin Wang
- Shandong Normal University, College of Chemistry, CHINA
| | - Chiyu Wei
- University of South Florida, Chemistry, UNITED STATES
| | - Xuming Li
- University of South Florida, Chemistry, UNITED STATES
| | - Pengyi Zhao
- New Jersey Institute of Technology, Chemistry and Enviromental Science, UNITED STATES
| | - Chuan Shan
- University of South Florida, Chemistry, UNITED STATES
| | - Lukasz Wojtas
- University of South Florida, Chemistry, UNITED STATES
| | - Hao Chen
- New Jersey Institute of Technology, Chemistry and Environmental Science, UNITED STATES
| | - Xiaodong Shi
- University of South Florida, Department of Chemistry, University of South Florida, Department of Chemistry, 33620, Tampa, UNITED STATES
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24
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Panda B. Joy and Challenges of Alkynylation of Arenes and Heteroarenes through Double C−H Functionalizations. ASIAN J ORG CHEM 2020. [DOI: 10.1002/ajoc.201900733] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Biswajit Panda
- Department of ChemistryCity College 102/1 Raja Rammohan Sarani Kolkata 700009 India
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25
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Nijamudheen A, Datta A. Gold-Catalyzed Cross-Coupling Reactions: An Overview of Design Strategies, Mechanistic Studies, and Applications. Chemistry 2019; 26:1442-1487. [PMID: 31657487 DOI: 10.1002/chem.201903377] [Citation(s) in RCA: 101] [Impact Index Per Article: 20.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Revised: 10/28/2019] [Indexed: 12/14/2022]
Abstract
Transition-metal-catalyzed cross-coupling reactions are central to many organic synthesis methodologies. Traditionally, Pd, Ni, Cu, and Fe catalysts are used to promote these reactions. Recently, many studies have showed that both homogeneous and heterogeneous Au catalysts can be used for activating selective cross-coupling reactions. Here, an overview of the past studies, current trends, and future directions in the field of gold-catalyzed coupling reactions is presented. Design strategies to accomplish selective homocoupling and cross-coupling reactions under both homogeneous and heterogeneous conditions, computational and experimental mechanistic studies, and their applications in diverse fields are critically reviewed. Specific topics covered are: oxidant-assisted and oxidant-free reactions; strain-assisted reactions; dual Au and photoredox catalysis; bimetallic synergistic reactions; mechanisms of reductive elimination processes; enzyme-mimicking Au chemistry; cluster and surface reactions; and plasmonic catalysis. In the relevant sections, theoretical and computational studies of AuI /AuIII chemistry are discussed and the predictions from the calculations are compared with the experimental observations to derive useful design strategies.
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Affiliation(s)
- A Nijamudheen
- School of Chemical Sciences, Indian Association for the, Cultivation of Sciences, 2A & 2B Raja S C Mullick Road, Kolkata, 700032, India.,Department of Chemical & Biomedical Engineering, Florida A&M University-Florida State University, Joint College of Engineering, 2525 Pottsdamer Street, Tallahassee, FL, 32310, USA
| | - Ayan Datta
- School of Chemical Sciences, Indian Association for the, Cultivation of Sciences, 2A & 2B Raja S C Mullick Road, Kolkata, 700032, India
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