1
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Thönnißen V, Westphäling J, Atodiresei IL, Patureau FW. Atroposelective Chan-Evans-Lam Amination. Chemistry 2024; 30:e202304378. [PMID: 38179829 DOI: 10.1002/chem.202304378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2023] [Revised: 01/04/2024] [Accepted: 01/04/2024] [Indexed: 01/06/2024]
Abstract
The synthetic control of atropoisomerism along C-N bonds is a major challenge, and methods that allow C-N atroposelective bond formation are rare. This is a problem because each atropoisomer can feature starkly differentiated biological properties. Yet, among the three most practical and applicable classical amination methods available: 1) the Cu-catalyzed Ullmann-Goldberg reaction, 2) the Pd-catalyzed Buchwald-Hartwig reaction, and 3) the Cu-catalyzed Chan-Evans-Lam reaction, none has truly been rendered atroposelective at the newly formed C-N bond. The first ever Chan-Evans-Lam atroposelective amination is herein described with a simple copper catalyst and newly designed PyrOx chiral ligand. This method should find important applications in asymmetric synthesis, in particular for medicinal chemistry.
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Affiliation(s)
- Vinzenz Thönnißen
- Institute of Organic Chemistry, RWTH Aachen University, Landoltweg 1, 52074, Aachen, Germany
| | - Johannes Westphäling
- Institute of Organic Chemistry, RWTH Aachen University, Landoltweg 1, 52074, Aachen, Germany
| | - Iuliana L Atodiresei
- Institute of Organic Chemistry, RWTH Aachen University, Landoltweg 1, 52074, Aachen, Germany
| | - Frederic W Patureau
- Institute of Organic Chemistry, RWTH Aachen University, Landoltweg 1, 52074, Aachen, Germany
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2
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Padunnappattu A, Duhayon C, César V, Canac Y. Bis( N-cyclopropenio)-imidazol-2-ylidene: An N-Heterocyclic Carbene Bearing Two N-Cationic Substituents. Organometallics 2022. [DOI: 10.1021/acs.organomet.2c00429] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Ajay Padunnappattu
- LCC-CNRS, Université de Toulouse, CNRS, 205 route de Narbonne, 31077 Toulouse Cedex 4, France
| | - Carine Duhayon
- LCC-CNRS, Université de Toulouse, CNRS, 205 route de Narbonne, 31077 Toulouse Cedex 4, France
| | - Vincent César
- LCC-CNRS, Université de Toulouse, CNRS, 205 route de Narbonne, 31077 Toulouse Cedex 4, France
| | - Yves Canac
- LCC-CNRS, Université de Toulouse, CNRS, 205 route de Narbonne, 31077 Toulouse Cedex 4, France
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3
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Rodríguez‐Salamanca P, Fernández R, Hornillos V, Lassaletta JM. Asymmetric Synthesis of Axially Chiral C-N Atropisomers. Chemistry 2022; 28:e202104442. [PMID: 35191558 PMCID: PMC9314733 DOI: 10.1002/chem.202104442] [Citation(s) in RCA: 59] [Impact Index Per Article: 29.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Indexed: 12/16/2022]
Abstract
Molecules with restricted rotation around a single bond or atropisomers are found in a wide number of natural products and bioactive molecules as well as in chiral ligands for asymmetric catalysis and smart materials. Although most of these compounds are biaryls and heterobiaryls displaying a C-C stereogenic axis, there is a growing interest in less common and more challenging axially chiral C-N atropisomers. This review offers an overview of the various methodologies available for their asymmetric synthesis. A brief introduction is initially given to contextualize these axially chiral skeletons, including a historical background and examples of natural products containing axially chiral C-N axes. The preparation of different families of C-N based atropisomers is then presented from anilides to chiral five- and six-membered ring heterocycles. Special emphasis has been given to modern catalytic asymmetric strategies over the past decade for the synthesis of these chiral scaffolds. Applications of these methods to the preparation of natural products and biologically active molecules will be highlighted along the text.
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Affiliation(s)
- Patricia Rodríguez‐Salamanca
- Instituto de Investigaciones Químicas (CSIC-US) and Centro deInnovación en Química Avanzada (ORFEO-CINQA)C/ Américo Vespucio, 4941092SevillaSpain
| | - Rosario Fernández
- Departamento de Química OrgánicaUniversidad de Sevilla) and Centro de Innovación en Química Avanzada (ORFEO-CINQA) C/ Prof. García González, 141012SevillaSpain
| | - Valentín Hornillos
- Instituto de Investigaciones Químicas (CSIC-US) and Centro deInnovación en Química Avanzada (ORFEO-CINQA)C/ Américo Vespucio, 4941092SevillaSpain
- Departamento de Química OrgánicaUniversidad de Sevilla) and Centro de Innovación en Química Avanzada (ORFEO-CINQA) C/ Prof. García González, 141012SevillaSpain
| | - José M. Lassaletta
- Instituto de Investigaciones Químicas (CSIC-US) and Centro deInnovación en Química Avanzada (ORFEO-CINQA)C/ Américo Vespucio, 4941092SevillaSpain
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4
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An QJ, Xia W, Ding WY, Liu HH, Xiang SH, Wang YB, Zhong G, Tan B. Nitrosobenzene-Enabled Chiral Phosphoric Acid Catalyzed Enantioselective Construction of Atropisomeric N-Arylbenzimidazoles. Angew Chem Int Ed Engl 2021; 60:24888-24893. [PMID: 34553823 DOI: 10.1002/anie.202111251] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Revised: 09/22/2021] [Indexed: 12/18/2022]
Abstract
Described herein is an imidazole ring formation strategy for the synthesis of axially chiral N-arylbenzimidazoles by means of chiral phosphoric acid catalysis. Two sets of conditions were developed to transform two classes of 2-naphthylamine derivatives into structurally diverse N-arylbenzimidazole atropisomers with excellent chemo- and regioselectivity as well as high levels of enantiocontrol. It is worth reflecting on the unique roles played by the nitroso group in this domino reaction. It functions as a linchpin by first offering an electrophilic site (N) for the initial C-N bond formation while the resulting amine performs the nucleophilic addition to form the second C-N bond. Additionally, it could facilitate the final oxidative aromatization as an oxidant. The atropisomeric products could be conveniently elaborated to a series of axially chiral derivatives, enabling the exploitation of N-arylbenzimidazoles for their potential utilities in asymmetric catalysis.
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Affiliation(s)
- Qian-Jin An
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Wang Xia
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Wei-Yi Ding
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Huan-Huan Liu
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Shao-Hua Xiang
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Yong-Bin Wang
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Guofu Zhong
- College of Materials, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou, 311121, China
| | - Bin Tan
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen, 518055, China
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5
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An Q, Xia W, Ding W, Liu H, Xiang S, Wang Y, Zhong G, Tan B. Nitrosobenzene‐Enabled Chiral Phosphoric Acid Catalyzed Enantioselective Construction of Atropisomeric
N
‐Arylbenzimidazoles. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202111251] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Qian‐Jin An
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis Southern University of Science and Technology Shenzhen 518055 China
| | - Wang Xia
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis Southern University of Science and Technology Shenzhen 518055 China
| | - Wei‐Yi Ding
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis Southern University of Science and Technology Shenzhen 518055 China
| | - Huan‐Huan Liu
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis Southern University of Science and Technology Shenzhen 518055 China
| | - Shao‐Hua Xiang
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis Southern University of Science and Technology Shenzhen 518055 China
| | - Yong‐Bin Wang
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis Southern University of Science and Technology Shenzhen 518055 China
| | - Guofu Zhong
- College of Materials, Chemistry and Chemical Engineering Hangzhou Normal University Hangzhou 311121 China
| | - Bin Tan
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis Southern University of Science and Technology Shenzhen 518055 China
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6
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Canac Y. Carbeniophosphines versus Phosphoniocarbenes: The Role of the Positive Charge. Chem Asian J 2018; 13:1872-1887. [PMID: 29761658 DOI: 10.1002/asia.201800483] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2018] [Revised: 05/11/2018] [Indexed: 12/18/2022]
Abstract
The chemistry of carbeniophosphines and phosphoniocarbenes, which have general structures derived formally from the three-component "carbene/phosphine/positive charge" association, is presented. These two complementary classes of carbon-phosphorus-based ligands, defined by the presence of an inverted cationic coordinating structure (C+ ∼P: vs. P+ ∼C:) have the common purpose of positioning a positive charge in the vicinity of the metal center. Through selected examples, the synthetic methods, coordination properties, and general reactivity of both cationic species is described. Particular emphasis is placed on the influence of the positive charge on the respective chemical behavior of the two classes of compound.
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Affiliation(s)
- Yves Canac
- LCC-CNRS, Université de Toulouse, CNRS, 205 route de Narbonne, 31077, Toulouse Cedex 4, France
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7
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Bonne D, Rodriguez J. A Bird's Eye View of Atropisomers Featuring a Five-Membered Ring. European J Org Chem 2018. [DOI: 10.1002/ejoc.201800078] [Citation(s) in RCA: 89] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Damien Bonne
- Aix Marseille Université, CNRS; iSm2 Centrale Marseille France
| | - Jean Rodriguez
- Aix Marseille Université, CNRS; iSm2 Centrale Marseille France
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8
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Zhu C, Gras E, Duhayon C, Lacassin F, Cui X, Chauvin R. The Forgotten Nitroaromatic Phosphines as Weakly Donating P-ligands: AnN-Aryl-benzimidazolyl Series in RhCl(CO) Complexes. Chem Asian J 2017; 12:2845-2856. [DOI: 10.1002/asia.201701078] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2017] [Indexed: 12/13/2022]
Affiliation(s)
- Chongwei Zhu
- CNRS; LCC (Laboratoire de Chimie de Coordination); 205 route de Narbonne, BP44099 31077 Toulouse Cedex 4 France
- Université de Toulouse; UPS, ICT-FR 2599 31062 Toulouse Cedex 9 France
| | - Emmanuel Gras
- CNRS; LCC (Laboratoire de Chimie de Coordination); 205 route de Narbonne, BP44099 31077 Toulouse Cedex 4 France
- Université de Toulouse; UPS, ICT-FR 2599 31062 Toulouse Cedex 9 France
| | - Carine Duhayon
- CNRS; LCC (Laboratoire de Chimie de Coordination); 205 route de Narbonne, BP44099 31077 Toulouse Cedex 4 France
- Université de Toulouse; UPS, ICT-FR 2599 31062 Toulouse Cedex 9 France
| | - Francis Lacassin
- CNRS; LCC (Laboratoire de Chimie de Coordination); 205 route de Narbonne, BP44099 31077 Toulouse Cedex 4 France
- Université de Toulouse; UPS, ICT-FR 2599 31062 Toulouse Cedex 9 France
| | - Xiuling Cui
- Engineering Research Center of Molecular Medicine, Ministry of Education, Key Laboratory of Xiamen Marine and Gene Drugs, Institutes of Molecular Medicine and School of Biomedical Sciences; Huaqiao University; Xiamen 361021 P.R. China
| | - Remi Chauvin
- CNRS; LCC (Laboratoire de Chimie de Coordination); 205 route de Narbonne, BP44099 31077 Toulouse Cedex 4 France
- Université de Toulouse; UPS, ICT-FR 2599 31062 Toulouse Cedex 9 France
- Engineering Research Center of Molecular Medicine, Ministry of Education, Key Laboratory of Xiamen Marine and Gene Drugs, Institutes of Molecular Medicine and School of Biomedical Sciences; Huaqiao University; Xiamen 361021 P.R. China
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9
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Dubrulle L, Poidevin C, Maaliki C, Canac Y, Lepetit C, Duhayon C, Chauvin R. A Push-Pull PdIIComplex with a Ternary Pd-P-C+Accepting End and a Key N-Heterocyclic Carbene-Imidazoliophosphine Ligand. Eur J Inorg Chem 2015. [DOI: 10.1002/ejic.201500932] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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10
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Chang YC, Chang CH, Wang LW, Liang YH, Hu DF, Weng CM, Mao KC, Hong FE. Imidazolio-substituted secondary phosphine oxides as potential carbene reagents. Polyhedron 2015. [DOI: 10.1016/j.poly.2015.08.041] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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11
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Laborde C, Wei MM, van der Lee A, Deydier E, Daran JC, Volle JN, Poli R, Pirat JL, Manoury E, Virieux D. Double [3 + 2]-dimerisation cascade synthesis of bis(triazolyl)bisphosphanes, a new scaffold for bidentate bisphosphanes. Dalton Trans 2015; 44:12539-45. [PMID: 26105114 DOI: 10.1039/c5dt02197a] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
A highly convergent synthesis of bis(triazolylphosphane oxides) was developed by a tandem copper-mediated Huisgen reaction-oxidative coupling. The phosphane oxides were reduced by trichlorosilane and the coordination of the resulting bisphosphanes was studied with various transition metals.
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Affiliation(s)
- Coralie Laborde
- Institut Charles Gerhardt/UMR 5253/AM2N, Ecole Nationale Supérieur de Chimie de Montpellier, 8, Rue de l'Ecole Normale, 34296 Montpellier Cedex 5, France.
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12
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Haldón E, Kozma Á, Tinnermann H, Gu L, Goddard R, Alcarazo M. Synthesis and reactivity of α-cationic phosphines: the effect of imidazolinium and amidinium substituents. Dalton Trans 2015; 45:1872-6. [PMID: 26174600 DOI: 10.1039/c5dt02341f] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Mono- and dicationic phosphines have been synthesized through the reaction of chloroimidazolinium or chloroamidinium salts with secondary or primary phosphines respectively. The resulting ligands, which depict a significantly reduced donor ability compared with their neutral analogues, have been used to design Pt(II) and Au(I) complexes that effectively catalyse the hydroarylation of alkynes.
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Affiliation(s)
- Estela Haldón
- Max-Planck-Institut für Kohlenforschung, Kaiser Wilhelm Platz 1, 45470-Mülheim an der Ruhr, Germany.
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13
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Makaya AM, Canac Y, Bijani C, Duhayon C, Chauvin R. On the Theme of Amidiniophosphines: Synthesis and Reactivity of Benzo-, Diimidazolo-Tris-Annelated P-Aminodiazaphosphepines. PHOSPHORUS SULFUR 2015. [DOI: 10.1080/10426507.2014.1002613] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- Amelle Mankou Makaya
- CNRS, LCC (Laboratoire de Chimie de Coordination), Narbonne, F-31077 Toulouse France
- Université de Toulouse—UPS, INP—LCC; F-31077 Toulouse, France
| | - Yves Canac
- CNRS, LCC (Laboratoire de Chimie de Coordination), Narbonne, F-31077 Toulouse France
- Université de Toulouse—UPS, INP—LCC; F-31077 Toulouse, France
| | - Christian Bijani
- CNRS, LCC (Laboratoire de Chimie de Coordination), Narbonne, F-31077 Toulouse France
- Université de Toulouse—UPS, INP—LCC; F-31077 Toulouse, France
| | - Carine Duhayon
- CNRS, LCC (Laboratoire de Chimie de Coordination), Narbonne, F-31077 Toulouse France
- Université de Toulouse—UPS, INP—LCC; F-31077 Toulouse, France
| | - Remi Chauvin
- CNRS, LCC (Laboratoire de Chimie de Coordination), Narbonne, F-31077 Toulouse France
- Université de Toulouse—UPS, INP—LCC; F-31077 Toulouse, France
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14
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García JS, Lepetit C, Canac Y, Chauvin R, Boggio-Pasqua M. Enantiomerization pathway and atropochiral stability of the BINAP ligand: a density functional theory study. Chem Asian J 2014; 9:462-5. [PMID: 25202766 DOI: 10.1002/asia.201301265] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
A theoretical study of the enantiomerization pathway of BINAP, the paradigm of atropochiral ligands in asymmetric organometallic catalysis, is reported. Density functional theory was used with the B3PW91 functional and the 6-31G(d,p) basis set. The calculation level was validated through the study of the syn and anti enantiomerization pathways of the 1,1′-binaphthyl reference for which the enantiomerization barrier was calculated to be in good agreement with experimental data. Calculations were then performed on BINAP itself using the same level of theory, and showed that its enantiomerization mechanism follows the syn route through a concerted, yet highly asynchronous, all-chiral process. The enantiomerization barrier was computed at 213 kJ mol(−1) and proved little sensitive to the functional or to the basis set used, with values always larger than 200 kJ mol(−1). The configurational stability of BINAP was finally characterized by a computed Oki’s racemization temperature of 491 °C.
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15
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Abstract
In coordination chemistry, typical ancillary ligands are anionic or neutral species. Cationic ones are exceptions and, when used, the positively charged groups are normally attached to the periphery and not close to the donating atom. However, this concept article highlights a series of recent experimental, as well as theoretical results, suggesting that the utility in catalysis of cationic phosphines with no spacer between the phosphorus atom and the positively charged group(s) has been largely overlooked. In fact, a growing number of studies indicate that, because of their specific architecture, these cationic ligands depict excellent π-acceptor character that can exceed that of phosphites or polyfluorinated phosphines. This property has been used to increase the Lewis acidity of the metals they coordinate. Specifically, new extreme π-acid catalysts, mainly based on Pt(II) and Au(I) , have been recently prepared and their superior performance demonstrated along several mechanistically distinct transformations. In this concept article the current state of the art is critically assessed and possible future directions of the topic discussed.
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Affiliation(s)
- Manuel Alcarazo
- Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, 41470 Mülheim an der Ruhr (Germany).
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16
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Mboyi CD, Abdellah I, Duhayon C, Canac Y, Chauvin R. Versatile Pd-Catalyzed CH Oxidative Cyclization of Homoallylhydrazones to Pyrazolines and Tetrahydropyridazines. ChemCatChem 2013. [DOI: 10.1002/cctc.201300220] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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17
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Barthes C, Lepetit C, Canac Y, Duhayon C, Zargarian D, Chauvin R. P(CH)P Pincer Rhodium(I) Complexes: The Key Role of Electron-Poor Imidazoliophosphine Extremities. Inorg Chem 2012; 52:48-58. [DOI: 10.1021/ic3006508] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Cécile Barthes
- CNRS, LCC (Laboratoire
de Chimie de Coordination), 205, route de Narbonne, F-31077 Toulouse,
France
- Université de Toulouse, UPS, INP, LCC, F-31077 Toulouse, France
| | - Christine Lepetit
- CNRS, LCC (Laboratoire
de Chimie de Coordination), 205, route de Narbonne, F-31077 Toulouse,
France
- Université de Toulouse, UPS, INP, LCC, F-31077 Toulouse, France
| | - Yves Canac
- CNRS, LCC (Laboratoire
de Chimie de Coordination), 205, route de Narbonne, F-31077 Toulouse,
France
- Université de Toulouse, UPS, INP, LCC, F-31077 Toulouse, France
| | - Carine Duhayon
- CNRS, LCC (Laboratoire
de Chimie de Coordination), 205, route de Narbonne, F-31077 Toulouse,
France
- Université de Toulouse, UPS, INP, LCC, F-31077 Toulouse, France
| | - Davit Zargarian
- Département de Chimie, Université de Montréal, Montréal,
Québec H3C 3J7, Canada
| | - Remi Chauvin
- CNRS, LCC (Laboratoire
de Chimie de Coordination), 205, route de Narbonne, F-31077 Toulouse,
France
- Université de Toulouse, UPS, INP, LCC, F-31077 Toulouse, France
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18
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Ramillien M, Vanthuyne N, Jean M, Gherase D, Giorgi M, Naubron JV, Piras P, Roussel C. Enantiomers of dimethyl [(2E)-1,3-diphenylprop-2-en-1-yl]propanedioate resulting from allylic alkylation reaction: Elution order on major high-performance liquid chromatography chiral columns. J Chromatogr A 2012; 1269:82-93. [DOI: 10.1016/j.chroma.2012.09.025] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2012] [Revised: 09/04/2012] [Accepted: 09/06/2012] [Indexed: 01/28/2023]
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19
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Wang N, McCormick TM, Ko SB, Wang S. PtII
and PdII
Complexes with a trans
-Chelating Bis(pyridyl) Ligand. Eur J Inorg Chem 2012. [DOI: 10.1002/ejic.201200442] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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20
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Canac Y, Maaliki C, Abdellah I, Chauvin R. Carbeniophosphanes and their carbon → phosphorus → metal ternary complexes. NEW J CHEM 2012. [DOI: 10.1039/c1nj20808j] [Citation(s) in RCA: 79] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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21
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Canac Y, Debono N, Lepetit C, Duhayon C, Chauvin R. Flexible Diphosphine Ligands with Overall Charges of 0, +1, and +2: Critical Role of the Electrostatics in Favoring Trans over Cis Coordination. Inorg Chem 2011; 50:10810-9. [DOI: 10.1021/ic201342z] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Yves Canac
- CNRS, LCC (Laboratoire de Chimie de Coordination), 205 route de Narbonne, F-31077 Toulouse, France
- Université de Toulouse, UPS, INP, LCC, F-31077 Toulouse, France
| | - Nathalie Debono
- CNRS, LCC (Laboratoire de Chimie de Coordination), 205 route de Narbonne, F-31077 Toulouse, France
- Université de Toulouse, UPS, INP, LCC, F-31077 Toulouse, France
| | - Christine Lepetit
- CNRS, LCC (Laboratoire de Chimie de Coordination), 205 route de Narbonne, F-31077 Toulouse, France
- Université de Toulouse, UPS, INP, LCC, F-31077 Toulouse, France
| | - Carine Duhayon
- CNRS, LCC (Laboratoire de Chimie de Coordination), 205 route de Narbonne, F-31077 Toulouse, France
- Université de Toulouse, UPS, INP, LCC, F-31077 Toulouse, France
| | - Remi Chauvin
- CNRS, LCC (Laboratoire de Chimie de Coordination), 205 route de Narbonne, F-31077 Toulouse, France
- Université de Toulouse, UPS, INP, LCC, F-31077 Toulouse, France
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22
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Dang TT, Abdellah I, Canac Y, Chauvin R. Intramolecular CH Oxidative N-Allylation of C-Homoallylhydrazones to 5-Vinyl-2-pyrazolines Catalyzed by the [Pd(OAc)2]/BIMINAP System. ChemCatChem 2011. [DOI: 10.1002/cctc.201100108] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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23
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Mino T, Yamada H, Komatsu S, Kasai M, Sakamoto M, Fujita T. Atropisomerism at C-N Bonds of Acyclic Amines: Synthesis and Application to Palladium-Catalyzed Asymmetric Allylic Alkylations. European J Org Chem 2011. [DOI: 10.1002/ejoc.201100769] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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24
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Abdellah I, Boggio-Pasqua M, Canac Y, Lepetit C, Duhayon C, Chauvin R. Towards the Limit of Atropochiral Stability: H-MIOP, an N-Heterocyclic Carbene Precursor and Cationic Analogue of the H-MOP Ligand. Chemistry 2011; 17:5110-5. [DOI: 10.1002/chem.201100205] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2011] [Indexed: 11/11/2022]
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25
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Abdellah I, Lepetit C, Canac Y, Duhayon C, Chauvin R. Imidazoliophosphines are True N-Heterocyclic Carbene (NHC)-Phosphenium Adducts. Chemistry 2010; 16:13095-108. [DOI: 10.1002/chem.201001721] [Citation(s) in RCA: 86] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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