1
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Zhang C, Si WD, Wang Z, Tung CH, Sun D. Chiral Ligand-Concentration Mediating Asymmetric Transformations of Silver Nanoclusters: NIR-II Circularly Polarized Phosphorescence Lighting. Angew Chem Int Ed Engl 2024; 63:e202404545. [PMID: 38664228 DOI: 10.1002/anie.202404545] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Indexed: 07/02/2024]
Abstract
Near infrared (NIR) emitter with circularly polarized phosphorescence (CPP), known as NIR CPP, has emerged as a key part in the research of cutting-edge luminescent materials. However, it remains a challenge to obtain nanoclusters with NIR CPP activity. Here, we propose an asymmetric transformation approach to efficiently synthesize two pairs of chiral silver nanoclusters (R/S-Ag29 and R/S-Ag16) using an achiral Ag10 nanocluster as starting material in the presence of different concentration chiral inducer (R/S)-1,1'-binaphthyl-2,2'-diyl hydrogenphosphate (R/S-BNP). R/S-Ag29, formed in the low-concentration R/S-BNP, exhibits a unique kernel-shell structure consisting of a distorted Ag13 icosahedron and an integrated cage-like organometallic shell with a C3 symmetry, and possesses a superatomic 6-electron configuration (1S2|1P4). By contrast, R/S-Ag16, formed in the high-concentration R/S-BNP, features a sandwich-like pentagram with AgI-pure kernel. Profiting from the hierarchically chiral structures and superatomic kernel-dominated phosphorescence, R/S-Ag29 exhibits infrequent CPP activity in the second near-infrared (975 nm) region, being the first instance of NIR-II CPP observed among CPL-active metal nanoclusters. This study presents a new approach to reduce the difficulty of de novo synthesis for chiral silver nanomaterials, and facilitates the design of CPP-active superatomic nanoclusters in NIR region.
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Affiliation(s)
- Chengkai Zhang
- School of Chemistry and Chemical Engineering, State Key Laboratory of Crystal Materials, Shandong University, 250100, Ji'nan, People's Republic of China
| | - Wei-Dan Si
- School of Chemistry and Chemical Engineering, State Key Laboratory of Crystal Materials, Shandong University, 250100, Ji'nan, People's Republic of China
| | - Zhi Wang
- School of Chemistry and Chemical Engineering, State Key Laboratory of Crystal Materials, Shandong University, 250100, Ji'nan, People's Republic of China
| | - Chen-Ho Tung
- School of Chemistry and Chemical Engineering, State Key Laboratory of Crystal Materials, Shandong University, 250100, Ji'nan, People's Republic of China
| | - Di Sun
- School of Chemistry and Chemical Engineering, State Key Laboratory of Crystal Materials, Shandong University, 250100, Ji'nan, People's Republic of China
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2
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Virdi J, Dusunge A, Handa S. Aqueous Micelles as Solvent, Ligand, and Reaction Promoter in Catalysis. JACS AU 2024; 4:301-317. [PMID: 38425936 PMCID: PMC10900500 DOI: 10.1021/jacsau.3c00605] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Revised: 12/13/2023] [Accepted: 12/13/2023] [Indexed: 03/02/2024]
Abstract
Water is considered to be the most sustainable and safest solvent. Micellar catalysis is a significant contributor to the chemistry in water. It promotes pathways involving water-sensitive intermediates and transient catalytic species under micelles' shielding effect while also replacing costly ligands and dipolar-aprotic solvents. However, there is a lack of critical information about micellar catalysis. This includes why it works better than traditional catalysis in organic solvents, why specific rules in micellar catalysis differ from those of conventional catalysis, and how the limitations of micellar catalysis can be addressed in the future. This Perspective aims to highlight the current gaps in our understanding of micellar catalysis and provide an analysis of designer surfactants' origin and essential components. This will also provide a fundamental understanding of micellar catalysis, including how aqueous micelles can simultaneously perform multiple functions such as solvent, ligand, and reaction promoter.
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Affiliation(s)
- Jagdeep
K. Virdi
- Department of Chemistry, University
of Missouri, Columbia, Missouri 65211, United States
| | - Ashish Dusunge
- Department of Chemistry, University
of Missouri, Columbia, Missouri 65211, United States
| | - Sachin Handa
- Department of Chemistry, University
of Missouri, Columbia, Missouri 65211, United States
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3
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Martí À, Ogalla G, Echavarren AM. Hydrogen-Bonded Matched Ion Pair Gold(I) Catalysis. ACS Catal 2023; 13:10217-10223. [PMID: 37560194 PMCID: PMC10407850 DOI: 10.1021/acscatal.3c02638] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Revised: 07/07/2023] [Indexed: 08/11/2023]
Abstract
The enantioselective reaction of 1,6-enynes with O-, N-, and C-nucleophiles has been developed by matched ion pair gold(I) catalysis in which the chiral gold(I) cation and anion are H-bonded through a urea group. Very high levels of enantiocontrol are achieved (up to >99:1 er) for a broad scope of substrates. DFT studies demonstrate the importance of the H-bond donor group in anchoring the matched chiral cation- and anion-favoring additional noncovalent interactions.
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Affiliation(s)
- Àlex Martí
- Institute of Chemical Research of Catalonia
(ICIQ), Barcelona Institute of Science and
Technology (BIST), Av.
Països Catalans 16, 43007 Tarragona, Spain
- Departament de Química Orgànica
i Analítica, Universitat Rovira i
Virgili (URV), C/Marcel·lí Domingo s/n, 43007 Tarragona, Spain
| | - Gala Ogalla
- Institute of Chemical Research of Catalonia
(ICIQ), Barcelona Institute of Science and
Technology (BIST), Av.
Països Catalans 16, 43007 Tarragona, Spain
- Departament de Química Orgànica
i Analítica, Universitat Rovira i
Virgili (URV), C/Marcel·lí Domingo s/n, 43007 Tarragona, Spain
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4
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Catalysis and inhibition of ester hydrolysis by encapsulation in micelles derived from designer surfactant TPGS-750-M. Tetrahedron 2023. [DOI: 10.1016/j.tet.2023.133271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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5
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Martí À, Montesinos‐Magraner M, Echavarren AM, Franchino A. H-Bonded Counterion-Directed Catalysis: Enantioselective Gold(I)-Catalyzed Addition to 2-Alkynyl Enones as a Case Study. European J Org Chem 2022; 2022:e202200518. [PMID: 36590458 PMCID: PMC9796400 DOI: 10.1002/ejoc.202200518] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Revised: 06/13/2022] [Indexed: 01/04/2023]
Abstract
H-bonded counterion-directed catalysis (HCDC) is a strategy wherein a chiral anion that is hydrogen-bonded to the achiral ligand of a metal complex is responsible for enantioinduction. In this article we present the application of H-bonded counterion-directed catalysis to the Au(I)-catalyzed enantioselective tandem cycloisomerization-addition reaction of 2-alkynyl enones. Following the addition of C-, N- or O-centered nucleophiles, bicyclic furans were obtained in moderate to excellent yield and enantioselectivity (28 examples, 59-96 % yield, 62 : 38 to 95 : 5 er). The optimal catalytic system, comprising a phosphinosquaramide Au(I) chloride complex and a BINOL-derived phosphoramidate Ag(I) salt, was selected in a combinatorial fashion from a larger library with the help of high-throughput screening. An enantioselectivity switch of ca. 120 Δee% was observed upon addition of the achiral Au(I) component to the Ag(I) salt.
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Affiliation(s)
- Àlex Martí
- Institute of Chemical Research of Catalonia (ICIQ)Barcelona Institute of Science and Technology (BIST) Av. PaïsosCatalans 1643007TarragonaSpain,Departament de Química Orgànica i AnalíticaUniversitat Rovira i Virgili (URV) C/ Marcel⋅lí Domingo s/n43007TarragonaSpain
| | - Marc Montesinos‐Magraner
- Institute of Chemical Research of Catalonia (ICIQ)Barcelona Institute of Science and Technology (BIST) Av. PaïsosCatalans 1643007TarragonaSpain
| | - Antonio M. Echavarren
- Institute of Chemical Research of Catalonia (ICIQ)Barcelona Institute of Science and Technology (BIST) Av. PaïsosCatalans 1643007TarragonaSpain,Departament de Química Orgànica i AnalíticaUniversitat Rovira i Virgili (URV) C/ Marcel⋅lí Domingo s/n43007TarragonaSpain
| | - Allegra Franchino
- Institute of Chemical Research of Catalonia (ICIQ)Barcelona Institute of Science and Technology (BIST) Av. PaïsosCatalans 1643007TarragonaSpain
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6
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Petersen H, Ballmann M, Krause N, Weberskirch R. Gold(I) NHC Catalysts Immobilized to Amphiphilic Block Copolymers: A Versatile Approach to Micellar Gold Catalysis in Water. ChemCatChem 2022. [DOI: 10.1002/cctc.202200727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Hanne Petersen
- TU Dortmund University: Technische Universitat Dortmund Fakultät für Chemie und Chem. Biologie Otto-Hahn Str. 6 44227 Dortmund GERMANY
| | - Monika Ballmann
- Technische Universität Dortmund: Technische Universitat Dortmund Fakultät für Chemie und Chem. Biologie Otto-Hahn Str. 6 44227 Dortmund GERMANY
| | - Norbert Krause
- TU Dortmund University: Technische Universitat Dortmund Fakultät für Chemie und Chem. Biologie Otto-Hahn Str. 6 44227 Dortmund GERMANY
| | - Ralf Weberskirch
- Dortmund University of Technology Fakultät Chemie und Chem. Biologie , organic chemistry Otto-Hahn-Str. 6Room: C2-04-702 44227 Dortmund GERMANY
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7
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Lin B, Yang T, Zhang D, Zhou Y, Wu L, Qiu J, Chen G, Che C, Zhang X. Gold‐Catalyzed Desymmetric Lactonization of Alkynylmalonic Acids Enabled by Chiral Bifunctional P,N ligands. Angew Chem Int Ed Engl 2022; 61:e202201739. [DOI: 10.1002/anie.202201739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Indexed: 11/10/2022]
Affiliation(s)
- Bijin Lin
- Department of Chemistry the Grubbs Institute Medi-X Pingshan Southern University of Science and Technology Shenzhen 518055 China
- State Key Laboratory of Synthetic Chemistry and Department of Chemistry The University of Hong Kong Pokfulam Road Hong Kong China
| | - Tilong Yang
- Department of Chemistry The Hong Kong University of Science and Technology Clear Water Bay, Kowloon Hong Kong China
| | - Dequan Zhang
- Department of Chemistry the Grubbs Institute Medi-X Pingshan Southern University of Science and Technology Shenzhen 518055 China
| | - Yang Zhou
- Department of Chemistry the Grubbs Institute Medi-X Pingshan Southern University of Science and Technology Shenzhen 518055 China
| | - Liangliang Wu
- State Key Laboratory of Synthetic Chemistry and Department of Chemistry The University of Hong Kong Pokfulam Road Hong Kong China
| | - Jingfei Qiu
- Department of Chemistry the Grubbs Institute Medi-X Pingshan Southern University of Science and Technology Shenzhen 518055 China
| | - Gen‐Qiang Chen
- Department of Chemistry the Grubbs Institute Medi-X Pingshan Southern University of Science and Technology Shenzhen 518055 China
- Academy for Advanced Interdisciplinary Studies Southern University of Science and Technology Shenzhen 518055 China
| | - Chi‐Ming Che
- Department of Chemistry the Grubbs Institute Medi-X Pingshan Southern University of Science and Technology Shenzhen 518055 China
- State Key Laboratory of Synthetic Chemistry and Department of Chemistry The University of Hong Kong Pokfulam Road Hong Kong China
| | - Xumu Zhang
- Department of Chemistry the Grubbs Institute Medi-X Pingshan Southern University of Science and Technology Shenzhen 518055 China
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8
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Lorenzetto T, Frigatti D, Fabris F, Scarso A. Nanoconfinement Effects of Micellar Media in Asymmetric Catalysis. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202200225] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Tommaso Lorenzetto
- Dipartimento di Scienze Molecolari e Nanosistemi Università Ca' Foscari Venezia Via Torino 155 30172 Venezia Mestre Italy
| | - Davide Frigatti
- Dipartimento di Scienze Molecolari e Nanosistemi Università Ca' Foscari Venezia Via Torino 155 30172 Venezia Mestre Italy
| | - Fabrizio Fabris
- Dipartimento di Scienze Molecolari e Nanosistemi Università Ca' Foscari Venezia Via Torino 155 30172 Venezia Mestre Italy
| | - Alessandro Scarso
- Dipartimento di Scienze Molecolari e Nanosistemi Università Ca' Foscari Venezia Via Torino 155 30172 Venezia Mestre Italy
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9
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Lin B, Yang T, Zhang D, Zhou Y, Wu L, Qiu J, Chen GQ, Che CM, Zhang X. Gold‐Catalyzed Desymmetric Lactonization of Alkynylmalonic Acids Enabled by Chiral Bifunctional P,N ligands. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202201739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Bijin Lin
- Southern University of Science and Technology Department of Chemistry 518000 Shenzhen CHINA
| | - Tilong Yang
- Hong Kong University of Science and Technology School of Science Department of Chemistry Hongkong CHINA
| | - Dequan Zhang
- Southern University of Science and Technology Department of Chemistry CHINA
| | - Yang Zhou
- Southern University of Science and Technology Department of Chemistry CHINA
| | - Liangliang Wu
- Hong Kong University: University of Hong Kong Department of Chemistry CHINA
| | - Jingfei Qiu
- Southern University of Science and Technology Department of Chemistry CHINA
| | - Gen-Qiang Chen
- Southern University of Science and Technology Department of Chemistry CHINA
| | - Chi-Ming Che
- The University of Hong Kong Department of Chemistry CHINA
| | - Xumu Zhang
- Southern University of Science and Technology Chemistry 1088 Xueyuan Avenue 518055 Shenzhen CHINA
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10
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Zhang Z, Sabat N, Frison G, Marinetti A, Guinchard X. Enantioselective Au(I)-Catalyzed Multicomponent Annulations via Tethered Counterion-Directed Catalysis. ACS Catal 2022. [DOI: 10.1021/acscatal.2c00120] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Zhenhao Zhang
- Université Paris-Saclay, CNRS, Institut de Chimie des Substances Naturelles, UPR 2301, 91198 Gif-sur-Yvette, France
- LCM, CNRS, Ecole Polytechnique, Institut Polytechnique de Paris, 91128 Palaiseau, France
| | - Nazarii Sabat
- Université Paris-Saclay, CNRS, Institut de Chimie des Substances Naturelles, UPR 2301, 91198 Gif-sur-Yvette, France
| | - Gilles Frison
- LCM, CNRS, Ecole Polytechnique, Institut Polytechnique de Paris, 91128 Palaiseau, France
- Sorbonne Université, CNRS, Laboratoire de Chimie Théorique, 75005 Paris, France
| | - Angela Marinetti
- Université Paris-Saclay, CNRS, Institut de Chimie des Substances Naturelles, UPR 2301, 91198 Gif-sur-Yvette, France
| | - Xavier Guinchard
- Université Paris-Saclay, CNRS, Institut de Chimie des Substances Naturelles, UPR 2301, 91198 Gif-sur-Yvette, France
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11
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Franchino A, Martí À, Echavarren AM. H-Bonded Counterion-Directed Enantioselective Au(I) Catalysis. J Am Chem Soc 2022; 144:3497-3509. [PMID: 35138843 PMCID: PMC8895408 DOI: 10.1021/jacs.1c11978] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
![]()
A new strategy for
enantioselective transition-metal catalysis
is presented, wherein a H-bond donor placed on the ligand of a cationic
complex allows precise positioning of the chiral counteranion responsible
for asymmetric induction. The successful implementation of this paradigm
is demonstrated in 5-exo-dig and 6-endo-dig cyclizations of 1,6-enynes, combining an achiral phosphinourea
Au(I) chloride complex with a BINOL-derived phosphoramidate Ag(I)
salt and thus allowing the first general use of chiral anions in Au(I)-catalyzed
reactions of challenging alkyne substrates. Experiments with modified
complexes and anions, 1H NMR titrations, kinetic data,
and studies of solvent and nonlinear effects substantiate the key
H-bonding interaction at the heart of the catalytic system. This conceptually
novel approach, which lies at the intersection of metal catalysis,
H-bond organocatalysis, and asymmetric counterion-directed catalysis,
provides a blueprint for the development of supramolecularly assembled
chiral ligands for metal complexes.
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Affiliation(s)
- Allegra Franchino
- Institute of Chemical Research of Catalonia (ICIQ), Barcelona Institute of Science and Technology, Av. Països Catalans 16, 43007 Tarragona, Spain
| | - Àlex Martí
- Institute of Chemical Research of Catalonia (ICIQ), Barcelona Institute of Science and Technology, Av. Països Catalans 16, 43007 Tarragona, Spain.,Departament de Química Orgànica i Analítica, Universitat Rovira i Virgili, C/Marcel·lí Domingo s/n, 43007 Tarragona, Spain
| | - Antonio M Echavarren
- Institute of Chemical Research of Catalonia (ICIQ), Barcelona Institute of Science and Technology, Av. Països Catalans 16, 43007 Tarragona, Spain.,Departament de Química Orgànica i Analítica, Universitat Rovira i Virgili, C/Marcel·lí Domingo s/n, 43007 Tarragona, Spain
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12
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Pedrazzani R, Pinosa E, Bertuzzi G, MONARI MAGDA, Lauzon S, Ollevier T, Bandini M. Convenient synthesis of tricyclic N(1)-C(2)-fused oxazino-indolones via [Au(I)] catalyzed hydrocarboxylation of allenes. Chem Commun (Camb) 2022; 58:8698-8701. [DOI: 10.1039/d2cc02303b] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A new [Au(I)] catalyzed intramolecular hydrocarboxylation of allenes is presented as a valuable synthetic route to oxazino-indolones. The employment of 3,5-(CF3)2-C6H3-ImPyAuSbF6 as the optimal catalyst (5 mol%) was necessary to...
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13
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Kennemur J, Maji R, Scharf MJ, List B. Catalytic Asymmetric Hydroalkoxylation of C-C Multiple Bonds. Chem Rev 2021; 121:14649-14681. [PMID: 34860509 PMCID: PMC8704240 DOI: 10.1021/acs.chemrev.1c00620] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Indexed: 01/30/2023]
Abstract
Asymmetric hydroalkoxylation of alkenes constitutes a redox-neutral and 100% atom-economical strategy toward enantioenriched oxygenated building blocks from readily available starting materials. Despite their great potential, catalytic enantioselective additions of alcohols across a C-C multiple bond are particularly underdeveloped, especially compared to other hydrofunctionalization methods such as hydroamination. However, driven by some recent innovations, e.g., asymmetric MHAT methods, asymmetric photocatalytic methods, and the development of extremely strong chiral Brønsted acids, there has been a gratifying surge of reports in this burgeoning field. The goal of this review is to survey the growing landscape of asymmetric hydroalkoxylation by highlighting exciting new advances, deconstructing mechanistic underpinnings, and drawing insight from related asymmetric hydroacyloxylation and hydration. A deep appreciation of the underlying principles informs an understanding of the various selectivity parameters and activation modes in the realm of asymmetric alkene hydrofunctionalization while simultaneously evoking the outstanding challenges to the field moving forward. Overall, we aim to lay a foundation for cross-fertilization among various catalytic fields and spur further innovation in asymmetric hydroalkoxylations of C-C multiple bonds.
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Affiliation(s)
| | | | - Manuel J. Scharf
- Max-Planck-Institut für
Kohlenforschung, Kaiser Wilhelm-Platz 1, 45470 Mülheim an der Ruhr, Germany
| | - Benjamin List
- Max-Planck-Institut für
Kohlenforschung, Kaiser Wilhelm-Platz 1, 45470 Mülheim an der Ruhr, Germany
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14
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Dupeux A, Michelet V. Gold-Catalyzed Domino Cycloisomerization/Alkoxylation: An Entry to 3,4-Dihydro-1 H-[1,4]oxazino[4,3- a]indole. J Org Chem 2021; 86:17738-17747. [PMID: 34633827 DOI: 10.1021/acs.joc.1c02030] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
A novel and mild synthetic route for the preparation of functionalized polycyclic indole skeletons via a gold-mediated cycloisomerization/alkoxylation of 1,6-aldehyde-yne has been developed. This atom-economical catalytic process that associates IPrAu(MeCN)BF4 and an alcohol demonstrated remarkable selectivity in accessing functionalized 3,4-dihydro-1H-[1,4]oxazino[4,3-a]indole derivatives of high synthetic utility (21 examples, yields of ≤96%) and could be optimized under asymmetric conditions with an enantiomeric excess of ≤86%.
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Affiliation(s)
- Aurélien Dupeux
- Côte d'Azur University, Institut de Chimie de Nice, Valrose Park, 06108 Nice Cedex 2, France
| | - Véronique Michelet
- Côte d'Azur University, Institut de Chimie de Nice, Valrose Park, 06108 Nice Cedex 2, France
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15
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Savchuk M, Bocquin L, Albalat M, Jean M, Vanthuyne N, Nava P, Humbel S, Hérault D, Clavier H. Transition metal complexes bearing atropisomeric saturated NHC ligands. Chirality 2021; 34:13-26. [PMID: 34740283 DOI: 10.1002/chir.23378] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Revised: 09/22/2021] [Accepted: 09/27/2021] [Indexed: 11/06/2022]
Abstract
From achiral imidazolinium salts, chiral transition metal complexes containing an N-heterocyclic carbene (NHC) ligand were prepared (metal = palladium, copper, silver, gold, rhodium). Axial chirality in these complexes results from the formation of the metal-carbene bond leading to the restriction of rotation of dissymmetric N-aryl substituents about the C-N bond. When these complexes exhibited a sufficient configurational stability, a resolution by chiral high-performance liquid chromatography (HPLC) on preparative scale enabled isolation of enantiomers with excellent enantiopurities (>99% ee) and good yields. A study of the enantiomerization barriers revealed the effect of the backbone nature as well as the type of transition metal on its values. Nevertheless, the evaluation of palladium-based complexes in asymmetric intramolecular α-arylation of amides demonstrated that the ability to induce an enantioselectivity cannot be correlated to the configurational stability of the precatalysts.
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Affiliation(s)
- Mariia Savchuk
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, Marseille, France
| | - Lucas Bocquin
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, Marseille, France
| | - Muriel Albalat
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, Marseille, France
| | - Marion Jean
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, Marseille, France
| | - Nicolas Vanthuyne
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, Marseille, France
| | - Paola Nava
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, Marseille, France
| | - Stéphane Humbel
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, Marseille, France
| | - Damien Hérault
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, Marseille, France
| | - Hervé Clavier
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, Marseille, France
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16
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Kirchhof M, Abitaev K, Abouhaileh A, Gugeler K, Frey W, Zens A, Kästner J, Sottmann T, Laschat S. Interplay of Polarity and Confinement in Asymmetric Catalysis with Chiral Rh Diene Complexes in Microemulsions. Chemistry 2021; 27:16853-16870. [PMID: 34664324 PMCID: PMC9299057 DOI: 10.1002/chem.202102752] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Indexed: 11/11/2022]
Abstract
Microemulsions provide a unique opportunity to tailor the polarity and liquid confinement in asymmetric catalysis via nanoscale polar and nonpolar domains separated by a surfactant film. For chiral diene Rh complexes, the influence of counterion and surfactant film on the catalytic activity and enantioselectivity remained elusive. To explore this issue chiral norbornadiene Rh(X) complexes (X=OTf, OTs, OAc, PO2F2) were synthesized and characterized by X‐ray crystallography and theoretical calculations. These complexes were used in Rh‐catalyzed 1,2‐additions of phenylboroxine to N‐tosylimine in microemulsions stabilized either exclusively by n‐octyl‐β‐D‐glucopyranoside (C8G1) or a C8G1‐film doped with anionic or cationic surfactants (AOT, SDS and DTAB). The Rh(OAc) complex showed the largest dependence on the composition of the microemulsion, yielding up to 59 % (90 %ee) for the surfactant film doped with 5 wt% of AOT as compared to 52 % (58 %ee) for neat C8G1 at constant surfactant concentration. Larger domains, determined by SAXS analysis, enabled further increase in yield and selectivity while the reaction rate almost remained constant according to kinetic studies.
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Affiliation(s)
- Manuel Kirchhof
- Institut für Organische Chemie, Universität Stuttgart, Pfaffenwaldring 55, 70569, Stuttgart, Germany
| | - Karina Abitaev
- Institut für Physikalische Chemie, Universität Stuttgart, Pfaffenwaldring 55, 70569, Stuttgart, Germany
| | - Abdulwahab Abouhaileh
- Institut für Physikalische Chemie, Universität Stuttgart, Pfaffenwaldring 55, 70569, Stuttgart, Germany
| | - Katrin Gugeler
- Institut für Theoretische Chemie, Universität Stuttgart, Pfaffenwaldring 55, 70569, Stuttgart, Germany
| | - Wolfgang Frey
- Institut für Organische Chemie, Universität Stuttgart, Pfaffenwaldring 55, 70569, Stuttgart, Germany
| | - Anna Zens
- Institut für Organische Chemie, Universität Stuttgart, Pfaffenwaldring 55, 70569, Stuttgart, Germany
| | - Johannes Kästner
- Institut für Theoretische Chemie, Universität Stuttgart, Pfaffenwaldring 55, 70569, Stuttgart, Germany
| | - Thomas Sottmann
- Institut für Physikalische Chemie, Universität Stuttgart, Pfaffenwaldring 55, 70569, Stuttgart, Germany
| | - Sabine Laschat
- Institut für Organische Chemie, Universität Stuttgart, Pfaffenwaldring 55, 70569, Stuttgart, Germany
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17
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Yu Y, Zhang Z, Voituriez A, Rabasso N, Frison G, Marinetti A, Guinchard X. Enantioselective Au(I)-catalyzed dearomatization of 1-naphthols with allenamides through Tethered Counterion-Directed Catalysis. Chem Commun (Camb) 2021; 57:10779-10782. [PMID: 34586114 DOI: 10.1039/d1cc04088j] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The Tethered Counterion-Directed Catalysis (TCDC) approach has been applied to the enantioselective Au(I) catalyzed dearomatizations of 1-naphthols with allenamides. Stereocontrol is ensured by the intramolecular ion-pairing between the chiral gold-tethered phosphate and an iminium unit, that provides a rigid, well-defined chiral environment to the key electrophilic intermediate.
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Affiliation(s)
- Yunliang Yu
- Université Paris-Saclay, CNRS, Institut de Chimie des Substances Naturelles, UPR 2301, 91198, Gif-sur-Yvette, France. .,Institut de Chimie Moléculaire et des Matériaux d'Orsay, CNRS UMR 8182, Université Paris-Saclay, Bâtiment 420, 91405 Orsay cedex, France
| | - Zhenhao Zhang
- Université Paris-Saclay, CNRS, Institut de Chimie des Substances Naturelles, UPR 2301, 91198, Gif-sur-Yvette, France. .,LCM, CNRS, Ecole Polytechnique, Institut Polytechnique de Paris, 91128 Palaiseau, France
| | - Arnaud Voituriez
- Université Paris-Saclay, CNRS, Institut de Chimie des Substances Naturelles, UPR 2301, 91198, Gif-sur-Yvette, France.
| | - Nicolas Rabasso
- Institut de Chimie Moléculaire et des Matériaux d'Orsay, CNRS UMR 8182, Université Paris-Saclay, Bâtiment 420, 91405 Orsay cedex, France
| | - Gilles Frison
- LCM, CNRS, Ecole Polytechnique, Institut Polytechnique de Paris, 91128 Palaiseau, France.,Sorbonne Université, CNRS, Laboratoire de Chimie Théorique, 75005 Paris, France
| | - Angela Marinetti
- Université Paris-Saclay, CNRS, Institut de Chimie des Substances Naturelles, UPR 2301, 91198, Gif-sur-Yvette, France.
| | - Xavier Guinchard
- Université Paris-Saclay, CNRS, Institut de Chimie des Substances Naturelles, UPR 2301, 91198, Gif-sur-Yvette, France.
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18
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Lee HR, Kim SY, Park MJ, Park YS. An access to highly enantioenriched cis-3,5-disubstituted γ-lactones from α-bromoacetate and silyl enol ether. Org Biomol Chem 2021; 19:7655-7663. [PMID: 34524343 DOI: 10.1039/d1ob01403j] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A novel synthetic strategy for highly enantioenriched cis-3,5-disubstituted γ-lactones has been developed by the AgOTf-promoted nucleophilic substitution of α-bromoacetates with silyl enol ethers and subsequent reductive lactonization. The utility of this synthetic method was further demonstrated through the concise stereodivergent synthesis of cis- and trans-2,4-disubstituted tetrahydrofurans.
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Affiliation(s)
- Ha Rim Lee
- Department of Chemistry, Konkuk University, Seoul 05029, Korea.
| | - Seo Yun Kim
- Department of Chemistry, Konkuk University, Seoul 05029, Korea.
| | - Min Ji Park
- Department of Chemistry, Konkuk University, Seoul 05029, Korea.
| | - Yong Sun Park
- Department of Chemistry, Konkuk University, Seoul 05029, Korea.
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19
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Patil BM, Shinde SK, Jagdale AA, Jadhav SD, Patil SS. Fruit Extract of Averrhoa bilimbi: A Green Neoteric Micellar Medium for Isoxazole and Biginelli-Like Synthesis. RESEARCH ON CHEMICAL INTERMEDIATES 2021. [DOI: 10.1007/s11164-021-04539-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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20
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Abstract
In this contribution, we provide an overview of the main avenues that have emerged in gold coordination chemistry during the last years. The unique properties of gold have motivated research in gold chemistry, and especially regarding the properties and applications of gold compounds in catalysis, medicine, and materials chemistry. The advances in the synthesis and knowledge of gold coordination compounds have been possible with the design of novel ligands becoming relevant motifs that have allowed the preparation of elusive complexes in this area of research. Strong donor ligands with easily modulable electronic and steric properties, such as stable singlet carbenes or cyclometalated ligands, have been decisive in the stabilization of gold(0) species, gold fluoride complexes, gold hydrides, unprecedented π complexes, or cluster derivatives. These new ligands have been important not only from the fundamental structure and bonding studies but also for the synthesis of sophisticated catalysts to improve activity and selectivity of organic transformations. Moreover, they have enabled the facile oxidative addition from gold(I) to gold(III) and the design of a plethora of complexes with specific properties.
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Affiliation(s)
- Raquel P Herrera
- Laboratorio de Organocatálisis Asimétrica Departamento de Química Orgánica, Instituto de Síntesis Química y Catálisis Homogénea (ISQCH), CSIC-Universidad de Zaragoza, 50009 Zaragoza, Spain
| | - M Concepción Gimeno
- Departamento de Química Inorgánica, Instituto de Síntesis Química y Catálisis Homogénea (ISQCH), CSIC-Universidad de Zaragoza, 50009 Zaragoza, Spain
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21
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Tandem micellar catalysis and cloud point extraction process for C-S coupling reaction in water. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2021.126263] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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22
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Gold-Catalyzed Addition of Carboxylic Acids to Alkynes and Allenes: Valuable Tools for Organic Synthesis. Catalysts 2020. [DOI: 10.3390/catal10101206] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
In this contribution, the application of gold-based catalysts in the hydrofunctionalization reactions of alkynes and allenes with carboxylic acids is comprehensively reviewed. Both intra- and intermolecular processes, leading respectively to lactones and linear unsaturated esters, are covered. In addition, cascade transformations involving the initial cycloisomerization of an alkynoic acid are also discussed.
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23
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Zhu X, Xu G, Chamoreau L, Zhang Y, Mouriès‐Mansuy V, Fensterbank L, Bistri‐Aslanoff O, Roland S, Sollogoub M. Permethylated NHC‐Capped α‐ and β‐Cyclodextrins (ICyD
Me
) Regioselective and Enantioselective Gold‐Catalysis in Pure Water. Chemistry 2020; 26:15901-15909. [DOI: 10.1002/chem.202001990] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Revised: 05/29/2020] [Indexed: 01/21/2023]
Affiliation(s)
- Xiaolei Zhu
- Sorbonne Université CNRS Institut Parisien de Chimie Moléculaire (IPCM) UMR 8232 4, place Jussieu 75005 Paris France
| | - Guangcan Xu
- Sorbonne Université CNRS Institut Parisien de Chimie Moléculaire (IPCM) UMR 8232 4, place Jussieu 75005 Paris France
| | - Lise‐Marie Chamoreau
- Sorbonne Université CNRS Institut Parisien de Chimie Moléculaire (IPCM) UMR 8232 4, place Jussieu 75005 Paris France
| | - Yongmin Zhang
- Sorbonne Université CNRS Institut Parisien de Chimie Moléculaire (IPCM) UMR 8232 4, place Jussieu 75005 Paris France
| | - Virginie Mouriès‐Mansuy
- Sorbonne Université CNRS Institut Parisien de Chimie Moléculaire (IPCM) UMR 8232 4, place Jussieu 75005 Paris France
| | - Louis Fensterbank
- Sorbonne Université CNRS Institut Parisien de Chimie Moléculaire (IPCM) UMR 8232 4, place Jussieu 75005 Paris France
| | - Olivia Bistri‐Aslanoff
- Sorbonne Université CNRS Institut Parisien de Chimie Moléculaire (IPCM) UMR 8232 4, place Jussieu 75005 Paris France
| | - Sylvain Roland
- Sorbonne Université CNRS Institut Parisien de Chimie Moléculaire (IPCM) UMR 8232 4, place Jussieu 75005 Paris France
| | - Matthieu Sollogoub
- Sorbonne Université CNRS Institut Parisien de Chimie Moléculaire (IPCM) UMR 8232 4, place Jussieu 75005 Paris France
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24
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Eisenreich F, Meijer EW, Palmans ARA. Amphiphilic Polymeric Nanoparticles for Photoredox Catalysis in Water. Chemistry 2020; 26:10355-10361. [PMID: 32428312 PMCID: PMC7496234 DOI: 10.1002/chem.202001767] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2020] [Indexed: 12/20/2022]
Abstract
Photoredox catalysis has recently emerged as a powerful synthesis tool in organic and polymer chemistry. In contrast to the great achievements realized in organic solvents, performing photocatalytic processes efficiently in aqueous media encounters several challenges. Here, it is presented how amphiphilic single-chain polymeric nanoparticles (SCPNs) can be utilized as small reactors to conduct light-driven chemical reactions in water. By incorporating a phenothiazine (PTH) catalyst into the polymeric scaffold, metal-free reduction and C-C cross-coupling reactions can be carried out upon exposure to UV light under ambient conditions. The versatility of this approach is underlined by a large substrate scope, tolerance towards oxygen, and excellent recyclability. This approach thereby contributes to a sustainable and green way of implementing photoredox catalysis.
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Affiliation(s)
- Fabian Eisenreich
- Laboratory of Macromolecular and Organic ChemistryInstitute for Complex Molecular SystemsDepartment of, Chemical Engineering and ChemistryEindhoven University of Technology, P.O. Box 5135600 MBEindhovenThe Netherlands
| | - E. W. Meijer
- Laboratory of Macromolecular and Organic ChemistryInstitute for Complex Molecular SystemsDepartment of, Chemical Engineering and ChemistryEindhoven University of Technology, P.O. Box 5135600 MBEindhovenThe Netherlands
| | - Anja R. A. Palmans
- Laboratory of Macromolecular and Organic ChemistryInstitute for Complex Molecular SystemsDepartment of, Chemical Engineering and ChemistryEindhoven University of Technology, P.O. Box 5135600 MBEindhovenThe Netherlands
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25
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Enhanced catalytic activity of natural hematite-supported ppm levels of Pd in nitroarenes reduction. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 2020. [DOI: 10.1007/s13738-020-01908-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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26
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Tugny C, del Rio N, Koohgard M, Vanthuyne N, Lesage D, Bijouard K, Zhang P, Meijide Suárez J, Roland S, Derat E, Bistri-Aslanoff O, Sollogoub M, Fensterbank L, Mouriès-Mansuy V. β-Cyclodextrin–NHC–Gold(I) Complex (β-ICyD)AuCl: A Chiral Nanoreactor for Enantioselective and Substrate-Selective Alkoxycyclization Reactions. ACS Catal 2020. [DOI: 10.1021/acscatal.0c00127] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Coralie Tugny
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, IPCM, 4 Place Jussieu, F-75005 Paris, France
| | - Natalia del Rio
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, IPCM, 4 Place Jussieu, F-75005 Paris, France
| | - Mehdi Koohgard
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, IPCM, 4 Place Jussieu, F-75005 Paris, France
| | - Nicolas Vanthuyne
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, Marseille, France
| | - Denis Lesage
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, IPCM, 4 Place Jussieu, F-75005 Paris, France
| | - Kajetan Bijouard
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, IPCM, 4 Place Jussieu, F-75005 Paris, France
| | - Pinglu Zhang
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, IPCM, 4 Place Jussieu, F-75005 Paris, France
| | - Jorge Meijide Suárez
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, IPCM, 4 Place Jussieu, F-75005 Paris, France
| | - Sylvain Roland
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, IPCM, 4 Place Jussieu, F-75005 Paris, France
| | - Etienne Derat
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, IPCM, 4 Place Jussieu, F-75005 Paris, France
| | - Olivia Bistri-Aslanoff
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, IPCM, 4 Place Jussieu, F-75005 Paris, France
| | - Matthieu Sollogoub
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, IPCM, 4 Place Jussieu, F-75005 Paris, France
| | - Louis Fensterbank
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, IPCM, 4 Place Jussieu, F-75005 Paris, France
| | - Virginie Mouriès-Mansuy
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, IPCM, 4 Place Jussieu, F-75005 Paris, France
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27
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Affiliation(s)
- Ming Yang
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, 330022, Jiangxi P. R. China
| | - Xuewei Wang
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, 330022, Jiangxi P. R. China
| | - Junfeng Zhao
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, 330022, Jiangxi P. R. China
- School of Pharmaceutical Sciences, Guangzhou Medical University, Guangzhou, 511436, Guangdong P. R. China
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28
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Zhang Z, Smal V, Retailleau P, Voituriez A, Frison G, Marinetti A, Guinchard X. Tethered Counterion-Directed Catalysis: Merging the Chiral Ion-Pairing and Bifunctional Ligand Strategies in Enantioselective Gold(I) Catalysis. J Am Chem Soc 2020; 142:3797-3805. [DOI: 10.1021/jacs.9b11154] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Zhenhao Zhang
- Université Paris-Saclay, CNRS, Institut de Chimie des Substances Naturelles, UPR 2301, 1 avenue de la Terrasse, 91198 Gif-sur-Yvette, France
- LCM, CNRS, Ecole Polytechnique, Institut Polytechnique de Paris, 91128 Palaiseau, France
| | - Vitalii Smal
- Université Paris-Saclay, CNRS, Institut de Chimie des Substances Naturelles, UPR 2301, 1 avenue de la Terrasse, 91198 Gif-sur-Yvette, France
| | - Pascal Retailleau
- Université Paris-Saclay, CNRS, Institut de Chimie des Substances Naturelles, UPR 2301, 1 avenue de la Terrasse, 91198 Gif-sur-Yvette, France
| | - Arnaud Voituriez
- Université Paris-Saclay, CNRS, Institut de Chimie des Substances Naturelles, UPR 2301, 1 avenue de la Terrasse, 91198 Gif-sur-Yvette, France
| | - Gilles Frison
- LCM, CNRS, Ecole Polytechnique, Institut Polytechnique de Paris, 91128 Palaiseau, France
| | - Angela Marinetti
- Université Paris-Saclay, CNRS, Institut de Chimie des Substances Naturelles, UPR 2301, 1 avenue de la Terrasse, 91198 Gif-sur-Yvette, France
| | - Xavier Guinchard
- Université Paris-Saclay, CNRS, Institut de Chimie des Substances Naturelles, UPR 2301, 1 avenue de la Terrasse, 91198 Gif-sur-Yvette, France
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29
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Tavtorkin AN, Korchagina SA, Komarov PD, Vinogradov AA, Churakov AV, Nifant'ev IE, Minyaev ME. Chromium complexes bearing disubstituted organophosphate ligands and their use in ethylene polymerization. Acta Crystallogr C 2020; 76:93-103. [DOI: 10.1107/s2053229619015699] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Accepted: 11/19/2019] [Indexed: 11/10/2022] Open
Abstract
The crystal structures of three unusual chromium organophosphate complexes have been determined, namely, bis(μ-butyl 2,6-di-tert-butyl-4-methylphenyl hydrogen phosphato-κO:κO′)di-μ-hydroxido-bis[(butyl 2,6-di-tert-butyl-4-methylphenyl hydrogen phosphato-κO)(butyl 2,6-di-tert-butyl-4-methylphenyl phosphato-κO)chromium](Cr—Cr) heptane disolvate or {Cr2(μ2-OH)2[μ2-PO2(OBu)(O-2,6-
t
Bu2-4-MeC6H2)-κO:κO′]2[PO2(OBu)(O-2,6-
t
Bu2-4-MeC6H2)-κO]2[HOPO(OBu)(O-2,6-
t
Bu2-4-MeC6H2)-κO]2}·2C7H16, [Cr2(C19H32O4P)4(C19H33O4P)2(OH)2]·2C7H16, denoted (1)·2(heptane), [μ-bis(2,6-diisopropylphenyl) phosphato-1κO:2κO′]bis[bis(2,6-diisopropylphenyl) phosphato]-1κO,2κO-chlorido-2κCl-triethanol-1κ2
O,2κO-di-μ-ethanolato-1κ2
O:2κ2
O-dichromium(Cr—Cr) ethanol monosolvate or {Cr2(μ2-OEt)2[μ2-PO2(O-2,6-iPr2-C6H3)2-κO:κO′][PO2(O-2,6-iPr2-C6H3)2-κO]2Cl(EtOH)3}·EtOH, [Cr2(C2H5O)2(C24H34O4P)3Cl(C2H6O)3]·C2H6O, denoted (2)·EtOH, and di-μ-ethanolato-1κ2
O:2κ2
O-bis{[bis(2,6-diisopropylphenyl) hydrogen phosphato-κO][bis(2,6-diisopropylphenyl) phosphato-κO]chlorido(ethanol-κO)chromium}(Cr—Cr) benzene disolvate or {Cr2(μ2-OEt)2[PO2(O-2,6-iPr2-C6H3)2-κO]2[HOPO(O-2,6-iPr2-C6H3)2-κO]2Cl2(EtOH)2}·2C6H6, [Cr2(C2H5O)2(C24H34O4P)2(C24H35O4P)2Cl2(C2H6O)2]·2C6H6, denoted (3)·2C6H6. Complexes (1)–(3) have been synthesized by an exchange reaction between the in-situ-generated corresponding lithium or potassium disubstituted phosphates with CrCl3(H2O)6 in ethanol. The subsequent crystallization of (1) from heptane, (2) from ethanol and (3) from an ethanol/benzene mixture allowed us to obtain crystals of (1)·2(heptane), (2)·EtOH and (3)·2C6H6, whose structures have the monoclinic P21, orthorhombic P212121 and triclinic P\overline 1 space groups, respectively. All three complexes have binuclear cores with a single Cr—Cr bond, i.e. Cr2O6P2 in (1), Cr2PO4 in (2) and Cr2O2 in (3), where the Cr atoms are in distorted octahedral environments, formally having 16 ē per Cr atom. The complexes have bridging ligands μ2-OH in (1) or μ2-OEt in (2) and (3). The organophosphate ligands demonstrate terminal κO coordination modes in (1)–(3) and bridging μ2-κO:κO′ coordination modes in (1) and (2). All the complexes exhibit hydrogen bonding: two intramolecular Ophos...H—Ophos interactions in (1) and (3) form two {H[PO2(OR)2]2} associates; two intramolecular Cl...H—OEt hydrogen bonds additionally stabilize the Cr2O2 core in (3); two intramolecular Ophos...H—OEt interactions and two O...H—O intermolecular hydrogen bonds with a noncoordinating ethanol molecule are observed in (2)·EtOH. The presence of both basic ligands (OH− or OEt−) and acidic [H(phosphate)2]− associates at the same metal centres in (1) and (3) is rather unusual. Complexes may serve as precatalysts for ethylene polymerization under mild conditions, providing polyethylene with a small amount of short-chain branching. The formation of a small amount of α-olefins has been detected in this reaction.
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30
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Siah HSM, Fiksdahl A. Preparation and Catalytic Activity of Novel σ,π-Dual Gold(I) Acetylide Complexes. European J Org Chem 2019. [DOI: 10.1002/ejoc.201901623] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Huey-San Melanie Siah
- Department of Chemistry; Norwegian University of Science and Technology; Hoegskoleveien 7491 Trondheim Norway
| | - Anne Fiksdahl
- Department of Chemistry; Norwegian University of Science and Technology; Hoegskoleveien 7491 Trondheim Norway
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31
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Sak H, Mawick M, Krause N. Sustainable Gold Catalysis in Water Using Cyclodextrin‐tagged NHC‐Gold Complexes. ChemCatChem 2019. [DOI: 10.1002/cctc.201901658] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Hülya Sak
- Organic ChemistryDortmund University of Technology Otto-Hahn-Strasse 6 Dortmund D-44227 Germany
| | - Matthias Mawick
- Organic ChemistryDortmund University of Technology Otto-Hahn-Strasse 6 Dortmund D-44227 Germany
| | - Norbert Krause
- Organic ChemistryDortmund University of Technology Otto-Hahn-Strasse 6 Dortmund D-44227 Germany
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32
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The pivotal role of the counterion in gold catalyzed hydration and alkoxylation of alkynes. Coord Chem Rev 2019. [DOI: 10.1016/j.ccr.2019.06.007] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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33
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Wang D, Lu X, Sun S, Yu H, Su H, Wu Y, Zhong F. Unified and Benign Synthesis of Spirooxindoles via Bifunctional and Recyclable Iodide-Salt-Catalyzed Oxidative Coupling in Water. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900751] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Dangui Wang
- Key laboratory of Material Chemistry for Energy Conversion and Storage; Ministry of Education; Hubei Key Laboratory of Bioinorganic Chemistry & Materia Medica; School of Chemistry and Chemical Engineering; Huazhong University of Science and Technology (HUST); 1037 Luoyu Road 430074 Wuhan China
- Shenzhen Huazhong University of Science and Technology Research Institute; 518000 Shenzhen PR China
| | - Xunbo Lu
- Key laboratory of Material Chemistry for Energy Conversion and Storage; Ministry of Education; Hubei Key Laboratory of Bioinorganic Chemistry & Materia Medica; School of Chemistry and Chemical Engineering; Huazhong University of Science and Technology (HUST); 1037 Luoyu Road 430074 Wuhan China
| | - Shaohan Sun
- Key laboratory of Material Chemistry for Energy Conversion and Storage; Ministry of Education; Hubei Key Laboratory of Bioinorganic Chemistry & Materia Medica; School of Chemistry and Chemical Engineering; Huazhong University of Science and Technology (HUST); 1037 Luoyu Road 430074 Wuhan China
| | - Huaibin Yu
- Key laboratory of Material Chemistry for Energy Conversion and Storage; Ministry of Education; Hubei Key Laboratory of Bioinorganic Chemistry & Materia Medica; School of Chemistry and Chemical Engineering; Huazhong University of Science and Technology (HUST); 1037 Luoyu Road 430074 Wuhan China
| | - Huimin Su
- Key laboratory of Material Chemistry for Energy Conversion and Storage; Ministry of Education; Hubei Key Laboratory of Bioinorganic Chemistry & Materia Medica; School of Chemistry and Chemical Engineering; Huazhong University of Science and Technology (HUST); 1037 Luoyu Road 430074 Wuhan China
| | - Yuzhou Wu
- Key laboratory of Material Chemistry for Energy Conversion and Storage; Ministry of Education; Hubei Key Laboratory of Bioinorganic Chemistry & Materia Medica; School of Chemistry and Chemical Engineering; Huazhong University of Science and Technology (HUST); 1037 Luoyu Road 430074 Wuhan China
| | - Fangrui Zhong
- Key laboratory of Material Chemistry for Energy Conversion and Storage; Ministry of Education; Hubei Key Laboratory of Bioinorganic Chemistry & Materia Medica; School of Chemistry and Chemical Engineering; Huazhong University of Science and Technology (HUST); 1037 Luoyu Road 430074 Wuhan China
- Shenzhen Huazhong University of Science and Technology Research Institute; 518000 Shenzhen PR China
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Zhou J, Song S, Jiang F, Fu C, Ma S. Efficient Syntheses of Traumatic Lactone and Rhizobialide. Chemistry 2019; 25:9948-9958. [PMID: 31013370 DOI: 10.1002/chem.201901210] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2019] [Indexed: 11/11/2022]
Abstract
Herein, we report the total synthesis of traumatic lactone and rhizobialide by utilizing allenoic acid to construct the lactone ring. The key starting materials, allenoic acids, could be prepared by the ATA (allenation of terminal alkynes) of a terminal alkyne with an aldehyde that contained a protected hydroxyl group followed by hydrolysis. Importantly, the asymmetric synthesis could be realized just by replacing racemic diphenylprinol with (R)- or (S)-diphenylprinol to deliver the optically active allenoate.
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Affiliation(s)
- Jing Zhou
- Department Laboratory of Molecular Recognition and Synthesis, Department of Chemistry, Zhejiang University, 310027, Hangzhou city, Zhejiang, P. R. China
| | - Shihua Song
- Department Laboratory of Molecular Recognition and Synthesis, Department of Chemistry, Zhejiang University, 310027, Hangzhou city, Zhejiang, P. R. China
| | - Feng Jiang
- Department Laboratory of Molecular Recognition and Synthesis, Department of Chemistry, Zhejiang University, 310027, Hangzhou city, Zhejiang, P. R. China
| | - Chunling Fu
- Department Laboratory of Molecular Recognition and Synthesis, Department of Chemistry, Zhejiang University, 310027, Hangzhou city, Zhejiang, P. R. China
| | - Shengming Ma
- Department Laboratory of Molecular Recognition and Synthesis, Department of Chemistry, Zhejiang University, 310027, Hangzhou city, Zhejiang, P. R. China
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Deimling M, Kirchhof M, Schwager B, Qawasmi Y, Savin A, Mühlhäuser T, Frey W, Claasen B, Baro A, Sottmann T, Laschat S. Asymmetric Catalysis in Liquid Confinement: Probing the Performance of Novel Chiral Rhodium–Diene Complexes in Microemulsions and Conventional Solvents. Chemistry 2019; 25:9464-9476. [DOI: 10.1002/chem.201900947] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2019] [Indexed: 12/11/2022]
Affiliation(s)
- Max Deimling
- Institut für Organische ChemieUniversität Stuttgart Pfaffenwaldring 55 70569 Stuttgart Germany
| | - Manuel Kirchhof
- Institut für Organische ChemieUniversität Stuttgart Pfaffenwaldring 55 70569 Stuttgart Germany
| | - Barbara Schwager
- Institut für Physikalische ChemieUniversität Stuttgart Pfaffenwaldring 55 70569 Stuttgart Germany
| | - Yaseen Qawasmi
- Institut für Physikalische ChemieUniversität Stuttgart Pfaffenwaldring 55 70569 Stuttgart Germany
| | - Alex Savin
- Institut für Organische ChemieUniversität Stuttgart Pfaffenwaldring 55 70569 Stuttgart Germany
| | - Tina Mühlhäuser
- Institut für Organische ChemieUniversität Stuttgart Pfaffenwaldring 55 70569 Stuttgart Germany
| | - Wolfgang Frey
- Institut für Organische ChemieUniversität Stuttgart Pfaffenwaldring 55 70569 Stuttgart Germany
| | - Birgit Claasen
- Institut für Organische ChemieUniversität Stuttgart Pfaffenwaldring 55 70569 Stuttgart Germany
| | - Angelika Baro
- Institut für Organische ChemieUniversität Stuttgart Pfaffenwaldring 55 70569 Stuttgart Germany
| | - Thomas Sottmann
- Institut für Physikalische ChemieUniversität Stuttgart Pfaffenwaldring 55 70569 Stuttgart Germany
| | - Sabine Laschat
- Institut für Organische ChemieUniversität Stuttgart Pfaffenwaldring 55 70569 Stuttgart Germany
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Schmidt M, Urban C, Schmidt S, Schomäcker R. Palladium-Catalyzed Hydroxycarbonylation of 1-Dodecene in Microemulsion Systems: Does Reaction Performance Care about Phase Behavior? ACS OMEGA 2018; 3:13355-13364. [PMID: 31458049 PMCID: PMC6644908 DOI: 10.1021/acsomega.8b01708] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/19/2018] [Accepted: 09/14/2018] [Indexed: 06/10/2023]
Abstract
Catalysis, particularly metal-catalyzed reactions in microemulsion systems, offers a sustainable approach for organic reactions in water. However, it is still a challenging task because of the complex role of the nonionic surfactant in such a system and the interaction of the phase behavior and reaction performance. To get a profound knowledge of this role and interaction, a systematic study of the palladium-catalyzed hydroxycarbonylation of 1-dodecene in a microemulsion system is reported. The influence of the temperature, additives such as cosolvents, the catalyst concentration, and the hydrophilicity of the surfactant and its concentration has been investigated with regard to both the phase behavior and reaction performance. Interestingly, the investigations reveal that not the phase behavior of the microemulsion system but mainly the dimension of the oil-water interface and the local concentrations of the substrates at this interface, which is provided by the amount and hydrophilicity of the surfactant, control the reaction performance of hydroxycarbonylation in these systems. Moreover, it was found that the local concentration of the active catalyst complex at the interface is essential for the reaction performance. Dependent on the surface active properties of the catalyst complex, its bulk concentration, and the nature and amount of additives, the local concentration of the active catalyst complex at the interface is strongly influenced, which has a huge impact on the reaction performance.
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Kim H, Choi SY, Shin S. Asymmetric Synthesis of Dihydropyranones via Gold(I)‐Catalyzed Intermolecular [4+2] Annulation of Propiolates and Alkenes. Angew Chem Int Ed Engl 2018; 57:13130-13134. [PMID: 30129705 DOI: 10.1002/anie.201807514] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2018] [Revised: 08/06/2018] [Indexed: 12/19/2022]
Affiliation(s)
- Hanbyul Kim
- Department of Chemistry, Research Institute for Natural Sciences and Center for New Directions in Organic Synthesis (CNOS)Hanyang University 222 Wangsimni-ro, Seongdong-gu Seoul 04763 Korea
| | - Su Yeon Choi
- Department of Chemistry, Research Institute for Natural Sciences and Center for New Directions in Organic Synthesis (CNOS)Hanyang University 222 Wangsimni-ro, Seongdong-gu Seoul 04763 Korea
| | - Seunghoon Shin
- Department of Chemistry, Research Institute for Natural Sciences and Center for New Directions in Organic Synthesis (CNOS)Hanyang University 222 Wangsimni-ro, Seongdong-gu Seoul 04763 Korea
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Kim H, Choi SY, Shin S. Asymmetric Synthesis of Dihydropyranones via Gold(I)‐Catalyzed Intermolecular [4+2] Annulation of Propiolates and Alkenes. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201807514] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Hanbyul Kim
- Department of Chemistry, Research Institute for Natural Sciences and Center for New Directions in Organic Synthesis (CNOS)Hanyang University 222 Wangsimni-ro, Seongdong-gu Seoul 04763 Korea
| | - Su Yeon Choi
- Department of Chemistry, Research Institute for Natural Sciences and Center for New Directions in Organic Synthesis (CNOS)Hanyang University 222 Wangsimni-ro, Seongdong-gu Seoul 04763 Korea
| | - Seunghoon Shin
- Department of Chemistry, Research Institute for Natural Sciences and Center for New Directions in Organic Synthesis (CNOS)Hanyang University 222 Wangsimni-ro, Seongdong-gu Seoul 04763 Korea
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39
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Harris RJ, Carden RG, Duncan AN, Widenhoefer RA. Kinetics and Mechanism of the Gold-Catalyzed Intermolecular Hydroalkoxylation of Allenes with Alcohols. ACS Catal 2018. [DOI: 10.1021/acscatal.8b02211] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Robert J. Harris
- Department of Chemistry, French Family Science
Center, Duke University, Durham, North Carolina 27708, United States
| | - Robert G. Carden
- Department of Chemistry, French Family Science
Center, Duke University, Durham, North Carolina 27708, United States
| | - Alethea N. Duncan
- Department of Chemistry, French Family Science
Center, Duke University, Durham, North Carolina 27708, United States
| | - Ross A. Widenhoefer
- Department of Chemistry, French Family Science
Center, Duke University, Durham, North Carolina 27708, United States
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Gold-catalyzed stereoselective cycloisomerization of allenoic acids for two types of common natural γ-butyrolactones. Nat Commun 2018; 9:1654. [PMID: 29695784 PMCID: PMC5916948 DOI: 10.1038/s41467-018-03894-6] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2017] [Accepted: 03/20/2018] [Indexed: 11/08/2022] Open
Abstract
γ-(E)-Vinylic and γ-alkylic γ-butyrolactones are two different types of lactones existing extensively in animals and plants and many of them show interesting biological activities. Nature makes alkylic γ-butyrolactones by many different enzymatic lactonization processes. Scientists have been mimicking the natural strategy by developing new catalysts. However, direct and efficient access to γ-(E)-vinylic γ-butyrolactones is still extremely limited. Here, we wish to present our modular allene approach, which provides an efficient asymmetric approach to (E)-vinylic γ-butyrolactones from allenoic acids by identifying a new gold complex as the catalyst. Based on this cycloisomerization strategy, the first syntheses of racemic xestospongiene and xestospongienes E, F, G, and H have been realized and the absolute configurations of the chiral centers in xestospongienes E and F have been revised. In addition, by applying a C–O bond cleavage-free hydrogenation, the syntheses of naturally occurring γ-alkylic γ-lactones, (R)-4-tetradecalactone, (S)-4-tetradecalactone, (R)-γ-palmitolactone, and (R)-4-decalactone, have also been achieved. Gamma-butyrolactones are widespread in Nature, however direct catalytic methods to access them are limited. Here, the authors report a gold-catalyzed cycloisomerization of allenoic acids to acces γ-butyrolactones and apply it to the asymmetric synthesis of xestospongienes E, F, G, and H and other naturally occurring lactones.
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Ye R, Zhukhovitskiy AV, Kazantsev RV, Fakra SC, Wickemeyer BB, Toste FD, Somorjai GA. Supported Au Nanoparticles with N-Heterocyclic Carbene Ligands as Active and Stable Heterogeneous Catalysts for Lactonization. J Am Chem Soc 2018; 140:4144-4149. [PMID: 29506380 DOI: 10.1021/jacs.8b01017] [Citation(s) in RCA: 85] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Attachment of N-heterocyclic carbenes (NHCs) on the surface of metal nanoparticle (NP) catalysts permits fine-tuning of catalytic activity and product selectivity. Yet, NHC-coated Au NPs have been seldom used in catalysis beyond hydrogenation chemistry. One challenge in this field has been to develop a platform that permits arbitrary ligand modification without having to compromise NP stability toward aggregation or leaching. Herein, we exploit the strategy of supported dendrimer-encapsulated metal clusters (DEMCs) to achieve aggregation-stable yet active heterogeneous Au NP catalysts with NHC ligands. Dendrimers function as aggregation-inhibitors during the NP synthesis, and NHCs, well-known for their strong attachment to the gold surface, provide a handle to modify the stereochemistry, stereoelectronics, and chemical functionality of the NP surface. Indeed, compared to "ligandless" Au NPs which are virtually inactive below 80 °C, the NHC-ligated Au NP catalysts enable a model lactonization reaction to proceed at 20 °C on the same time scale (hours). Based on Eyring analysis, proto-deauration is the turnover-limiting step accelerated by the NHC ligands. Furthermore, the use of chiral NHCs led to asymmetric induction (up to 16% enantiomeric excess) in the lactonization transformations, which demonstrates the potential of supported DEMCs with ancillary ligands in enantioselective catalysis.
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Abstract
Interest in homogeneous gold catalysis has undergone a marked increase. As strong yet air- and moisture-tolerant π-acids, cationic gold(i) complexes have been shown to catalyze diverse transformations of alkenes, alkynes and allenes, opening new opportunities for chemical synthesis. The development of efficient asymmetric variants is required in order to take full advantage of the preparative potential of these transformations. During the last few years, the chemical community has achieved tremendous success in the area. This review highlights the updated progress (2011-2015) in enantioselective gold catalysis. The discussion is classified according to the π-bonds activated by gold(i), in an order of alkynes, allenes and alkenes. Other gold activation modes, such as σ-Lewis acid catalyzed reactions and transformations of diazo compounds are also discussed.
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Affiliation(s)
- Weiwei Zi
- Department of Chemistry, University of California, Berkeley, CA 94720, USA.
| | - F Dean Toste
- Department of Chemistry, University of California, Berkeley, CA 94720, USA.
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Handa S, Smith JD, Zhang Y, Takale BS, Gallou F, Lipshutz BH. Sustainable HandaPhos-ppm Palladium Technology for Copper-Free Sonogashira Couplings in Water under Mild Conditions. Org Lett 2018; 20:542-545. [DOI: 10.1021/acs.orglett.7b03621] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Sachin Handa
- Department
of Chemistry, University of Louisville, 2320 South Brook Street, Louisville, Kentucky 40292, United States
- Department
of Chemistry and Biochemistry, University of California, Santa Barbara, California 93106, United States
| | - Justin D. Smith
- Department
of Chemistry, University of Louisville, 2320 South Brook Street, Louisville, Kentucky 40292, United States
- Department
of Chemistry and Biochemistry, University of California, Santa Barbara, California 93106, United States
| | - Yitao Zhang
- Department
of Chemistry and Biochemistry, University of California, Santa Barbara, California 93106, United States
| | - Balaram S. Takale
- Department
of Chemistry and Biochemistry, University of California, Santa Barbara, California 93106, United States
| | | | - Bruce H. Lipshutz
- Department
of Chemistry and Biochemistry, University of California, Santa Barbara, California 93106, United States
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Kitanosono T, Masuda K, Xu P, Kobayashi S. Catalytic Organic Reactions in Water toward Sustainable Society. Chem Rev 2017; 118:679-746. [PMID: 29218984 DOI: 10.1021/acs.chemrev.7b00417] [Citation(s) in RCA: 379] [Impact Index Per Article: 54.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Traditional organic synthesis relies heavily on organic solvents for a multitude of tasks, including dissolving the components and facilitating chemical reactions, because many reagents and reactive species are incompatible or immiscible with water. Given that they are used in vast quantities as compared to reactants, solvents have been the focus of environmental concerns. Along with reducing the environmental impact of organic synthesis, the use of water as a reaction medium also benefits chemical processes by simplifying operations, allowing mild reaction conditions, and sometimes delivering unforeseen reactivities and selectivities. After the "watershed" in organic synthesis revealed the importance of water, the development of water-compatible catalysts has flourished, triggering a quantum leap in water-centered organic synthesis. Given that organic compounds are typically practically insoluble in water, simple extractive workup can readily separate a water-soluble homogeneous catalyst as an aqueous solution from a product that is soluble in organic solvents. In contrast, the use of heterogeneous catalysts facilitates catalyst recycling by allowing simple centrifugation and filtration methods to be used. This Review addresses advances over the past decade in catalytic reactions using water as a reaction medium.
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Affiliation(s)
- Taku Kitanosono
- Department of Chemistry, School of Science, The University of Tokyo , Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Koichiro Masuda
- Department of Chemistry, School of Science, The University of Tokyo , Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Pengyu Xu
- Department of Chemistry, School of Science, The University of Tokyo , Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Shu Kobayashi
- Department of Chemistry, School of Science, The University of Tokyo , Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
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Affiliation(s)
- Wengang Guo
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, People’s Republic of China
| | - Xianghui Liu
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, People’s Republic of China
| | - Yan Liu
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, People’s Republic of China
| | - Can Li
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, People’s Republic of China
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46
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Wang Z, Nicolini C, Hervieu C, Wong YF, Zanoni G, Zhang L. Remote Cooperative Group Strategy Enables Ligands for Accelerative Asymmetric Gold Catalysis. J Am Chem Soc 2017; 139:16064-16067. [DOI: 10.1021/jacs.7b09136] [Citation(s) in RCA: 54] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Zhixun Wang
- Department of Chemistry & Biochemistry, University of California, Santa Barbara, Santa Barbara, California 93106, United States
| | - Corrado Nicolini
- Department
of Chemistry, University of Pavia, Viale Taramelli, 10, 27100 Pavia, Italy
| | - Cedric Hervieu
- Department of Chemistry & Biochemistry, University of California, Santa Barbara, Santa Barbara, California 93106, United States
| | - Yuk-Fai Wong
- Department of Chemistry & Biochemistry, University of California, Santa Barbara, Santa Barbara, California 93106, United States
| | - Giuseppe Zanoni
- Department
of Chemistry, University of Pavia, Viale Taramelli, 10, 27100 Pavia, Italy
| | - Liming Zhang
- Department of Chemistry & Biochemistry, University of California, Santa Barbara, Santa Barbara, California 93106, United States
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Price GA, Brisdon AK, Randall S, Lewis E, Whittaker DM, Pritchard RG, Muryn CA, Flower KR, Quayle P. Some insights into the gold-catalysed A 3 -coupling reaction. J Organomet Chem 2017. [DOI: 10.1016/j.jorganchem.2017.06.019] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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48
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Khopade TM, Sonawane AD, Arora JS, Bhat RG. Direct Organocatalytic Multicomponent Synthesis of Enantiopure γ
-Butyrolactones via Tandem Knoevenagel-Michael-Lactonization Sequence. Adv Synth Catal 2017. [DOI: 10.1002/adsc.201701084] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Tushar M. Khopade
- Department of Chemistry; Indian Institute of Science Education and Research (IISER)-Pune; Dr. Homi Bhabha Road Pashan 411008, Pune, Maharashtra India
| | - Amol D. Sonawane
- Department of Chemistry; Indian Institute of Science Education and Research (IISER)-Pune; Dr. Homi Bhabha Road Pashan 411008, Pune, Maharashtra India
| | - Jyotsna S. Arora
- Department of Chemistry; Indian Institute of Science Education and Research (IISER)-Pune; Dr. Homi Bhabha Road Pashan 411008, Pune, Maharashtra India
| | - Ramakrishna G. Bhat
- Department of Chemistry; Indian Institute of Science Education and Research (IISER)-Pune; Dr. Homi Bhabha Road Pashan 411008, Pune, Maharashtra India
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Klumphu P, Desfeux C, Zhang Y, Handa S, Gallou F, Lipshutz BH. Micellar catalysis-enabled sustainable ppm Au-catalyzed reactions in water at room temperature. Chem Sci 2017; 8:6354-6358. [PMID: 28989668 PMCID: PMC5628599 DOI: 10.1039/c7sc02405c] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2017] [Accepted: 07/08/2017] [Indexed: 11/21/2022] Open
Abstract
Several ppm level gold-catalyzed reactions enabled by the ligand HandaPhos can be performed at room temperature in aqueous nanoreactors composed of the surfactant Nok. Variously substituted allenes undergo cycloisomerization leading to heterocyclic products in good yields. Likewise, cyclodehydration is also illustrated under similar conditions, as is an intermolecular variant, hydration of terminal alkynes. Recycling of the catalyst and reaction medium is also illustrated. A low E factor associated with limited solvent use and therefore, waste generation, documents the greenness of this process.
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Affiliation(s)
- Piyatida Klumphu
- Department of Chemistry and Biochemistry , University of California , Santa Barbara , California 93106 , USA .
| | | | - Yitao Zhang
- Department of Chemistry and Biochemistry , University of California , Santa Barbara , California 93106 , USA .
| | - Sachin Handa
- Department of Chemistry , University of Louisville , Kentucky 40292 , USA .
| | | | - Bruce H Lipshutz
- Department of Chemistry and Biochemistry , University of California , Santa Barbara , California 93106 , USA .
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50
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Jiang J, Ouyang G, Zhang L, Liu M. Self‐Assembled Chiral Nanostructures as Scaffolds for Asymmetric Reactions. Chemistry 2017; 23:9439-9450. [DOI: 10.1002/chem.201700727] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2017] [Indexed: 11/10/2022]
Affiliation(s)
- Jian Jiang
- Key Laboratory of Nanosystem and Hierarchical FabricationCAS Center for Excellence in NanoscienceNational Center for Nanoscience and Technology No. 11 ZhongGuanCun BeiYiTiao 100190 Beijing P. R. China
| | - Guanghui Ouyang
- Key Laboratory of Colloid, Interface and Chemical ThermodynamicsInstitute of Chemistry, Chinese Academy of ScienceBeijing National Laboratory for Molecular Science (BNLMS) Zhongguancun North First Street 2 100190 Beijing P. R. China
| | - Li Zhang
- Key Laboratory of Colloid, Interface and Chemical ThermodynamicsInstitute of Chemistry, Chinese Academy of ScienceBeijing National Laboratory for Molecular Science (BNLMS) Zhongguancun North First Street 2 100190 Beijing P. R. China
| | - Minghua Liu
- Key Laboratory of Nanosystem and Hierarchical FabricationCAS Center for Excellence in NanoscienceNational Center for Nanoscience and Technology No. 11 ZhongGuanCun BeiYiTiao 100190 Beijing P. R. China
- Key Laboratory of Colloid, Interface and Chemical ThermodynamicsInstitute of Chemistry, Chinese Academy of ScienceBeijing National Laboratory for Molecular Science (BNLMS) Zhongguancun North First Street 2 100190 Beijing P. R. China
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