1
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Barik P, Behera SS, Nayak LK, Nanda LN, Nanda SK, Patri P. Transition metal catalysed cascade C-C and C-O bond forming events of alkynes. Org Biomol Chem 2024; 22:5052-5086. [PMID: 38856756 DOI: 10.1039/d3ob02044d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/11/2024]
Abstract
The past few decades have witnessed the emergence of domino reactions as a powerful tool for the multi-functionalization of alkynes for the rapid and smooth construction of complex molecular architectures. In this context, employing transition metal catalysis, vicinal/geminal cascade functionalization of alkynes involving C-C and C-O bond-formation reactions, has become a preferred strategy for the synthesis of oxygenated motifs. Despite this significant progress, reviews documenting such strategies are either metal/functional group-centric or target-oriented, thus hampering further developments. Therefore, in this review, different conceptual approaches based on C-C and C-O bond-forming events of alkynes such as carboxygenation (C-C and CO bond formation), carboalkoxylation (C-C and C-OR bond formation), and carboacetoxylation (C-C and C-OAc bond formations) are discussed, and examples from the literature from the last two decades are presented. Further, we have presented detailed insights into the mechanism of different transformations.
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Affiliation(s)
- Padmanava Barik
- PG Department of Chemistry, Bhadrak Autonomous College, Bhadrak, Odisha, 756100, India.
| | | | - Laxmi Kanta Nayak
- PG Department of Chemistry, Bhadrak Autonomous College, Bhadrak, Odisha, 756100, India.
| | | | - Santosh Kumar Nanda
- PG Department of Chemistry, Bhadrak Autonomous College, Bhadrak, Odisha, 756100, India.
| | - Padmanava Patri
- PG Department of Chemistry, Bhadrak Autonomous College, Bhadrak, Odisha, 756100, India.
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2
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Muratov K, Zaripov E, Berezovski MV, Gagosz F. DFT-Enabled Development of Hemilabile (P ∧N) Ligands for Gold(I/III) RedOx Catalysis: Application to the Thiotosylation of Aryl Iodides. J Am Chem Soc 2024; 146:3660-3674. [PMID: 38315643 DOI: 10.1021/jacs.3c08943] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2024]
Abstract
Ligand-enabled oxidative addition of Csp2-X bonds to Au(I) centers has recently appeared as a valuable strategy for the development of catalytic RedOx processes. Several cross-coupling reactions that were previously considered difficult to achieve were reported lately, thus expanding the synthetic potential of gold(I) complexes beyond the traditional nucleophilic functionalization of π-systems. MeDalPhos has played an important role in this development and, despite several studies on alternative structures, remains, so far, the only general ligand for such process. We report herein the discovery and DFT-enabled structural optimization of a new family of hemilabile (P∧N) ligands that can promote the oxidative addition of aryl iodides to gold(I). These flexible ligands, which possess a common 2-methylamino heteroaromatic N-donor motif, are structurally and electronically tunable, beyond being easily accessible and affordable. The corresponding Au(I) complexes were shown to outperform the reactivity of (MeDalPhos)Au(I) in a series of alkoxy- and amidoarylations of alkenes. Their synthetic potential and comparatively higher reactivity were further highlighted in the thiotosylation of aryl iodides, a challenging unreported C-S cross-coupling reaction that could not be achieved under classical Pd(0/II) catalysis and that allows for general and divergent access to aryl sulfur derivatives.
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Affiliation(s)
- Karim Muratov
- Department of Chemistry and Biomolecular Sciences, University of Ottawa, Ottawa K1N 6N5, Canada
| | - Emil Zaripov
- Department of Chemistry and Biomolecular Sciences, University of Ottawa, Ottawa K1N 6N5, Canada
| | - Maxim V Berezovski
- Department of Chemistry and Biomolecular Sciences, University of Ottawa, Ottawa K1N 6N5, Canada
| | - Fabien Gagosz
- Department of Chemistry and Biomolecular Sciences, University of Ottawa, Ottawa K1N 6N5, Canada
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3
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Wang Z, Cao T, Zhu S. Gold-Catalyzed Enynal and Enynol Coupling by Selectively Steering Two Transient Vinyl-Gold Intermediates. Org Lett 2022; 24:9296-9300. [PMID: 36484517 DOI: 10.1021/acs.orglett.2c03890] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The vinyl-gold bond is easily accessible but less exploited in homogeneous gold catalysis, which possesses weak nucleophilicity and would be likely to undergo protodemetalation. Herein, a gold-catalyzed enynal and enynol coupling by selectively steering two transient vinyl-gold intermediates is realized under mild conditions. It exhibits high atom economy and good tolerance of functional groups with the added benefit of operational simplicity. The control experiments indicated that the in situ formed vinyl-gold accounts for the reactivity.
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Affiliation(s)
- Zipeng Wang
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, 510640, P. R. China
| | - Tongxiang Cao
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, 510640, P. R. China
| | - Shifa Zhu
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, 510640, P. R. China
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4
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Wu J, Wei C, Zhao F, Du W, Geng Z, Xia Z. Gold(I)-Catalyzed Tandem Cyclization/Hydroarylation of o-Alkynylphenols with Haloalkynes. J Org Chem 2022; 87:14374-14383. [PMID: 36194643 DOI: 10.1021/acs.joc.2c01804] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
A convenient and mild protocol for the gold-catalyzed intermolecular coupling of o-alkynylphenols with haloalkynes to give vinyl benzofurans is reported. In this work, the gold catalyst SIPrAuCl and the co-catalyst NaBARF would corporately promote the intramolecular cyclization of the o-alkynylphenol to benzofuran, and then a selective hydroarylation of benzofuran to haloalkyne was catalyzed by the same catalysts. Computational studies suggest that the hydroarylation process takes place via a concerted nucleophilic attack pathway of the benzofuran to the C2 carbon of the activated haloalkyne, and reveal the original driving force of this hydroarylation process.
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Affiliation(s)
- Jiawen Wu
- School of Materials Science & Engineering, Beijing Institute of Technology, Beijing 100081, China
| | - Cunbo Wei
- School of Materials Science & Engineering, Beijing Institute of Technology, Beijing 100081, China
| | - Fen Zhao
- School of Chemistry and Environment, Yunnan Minzu University, Yuehua Street, Kunming 650500, China
| | - Wenqian Du
- School of Materials Science & Engineering, Beijing Institute of Technology, Beijing 100081, China
| | - Zhishuai Geng
- School of Materials Science & Engineering, Beijing Institute of Technology, Beijing 100081, China
| | - Zhonghua Xia
- School of Materials Science & Engineering, Beijing Institute of Technology, Beijing 100081, China
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5
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Wang X, Zhang C, Zeng J, Mao X, Redshaw C, Niu G, Yu X, Feng X. One-Pot Synthesis of Pyreno[2,1-b]furan Molecules with Two-Photon Absorption Properties. J Org Chem 2022; 87:12741-12748. [PMID: 36074893 DOI: 10.1021/acs.joc.2c01303] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The development of large π-conjugated polycyclic heteroaromatic materials is of immense interest, both in the academic as well as the industrial community. Herein, we present the efficient one-pot synthesis of novel pyreno[2,1-b]furan molecules from a newly designed intermediate, which display intense green emission (505-516 nm) in solution and a large red shift emission (625-640 nm) in the solid state, because of strong π-π stacking. More interestingly, the compounds exhibit novel two-photon absorption (TPA) properties, and the TPA cross-section (δ) value was increased to 533 GM by regulating the electronic effects of the substituents of the pyreno[2,1-b]furan molecules. This study not only offers a facile strategy for constructing new pyrene-fused luminescence materials with two-photon absorption properties but also provides a new chemical intermediate that opens up a new pathway to advanced materials.
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Affiliation(s)
- Xiaohui Wang
- Guangdong Provincial Key Laboratory of Information Photonics Technology, School of Material and Energy, Guangdong University of Technology, Guangzhou 510006, P. R. China
| | - Chengjing Zhang
- Guangdong Provincial Key Laboratory of Information Photonics Technology, School of Material and Energy, Guangdong University of Technology, Guangzhou 510006, P. R. China
| | - Jin Zeng
- Guangdong Provincial Key Laboratory of Information Photonics Technology, School of Material and Energy, Guangdong University of Technology, Guangzhou 510006, P. R. China
| | - Xiaoyu Mao
- Guangdong Provincial Key Laboratory of Information Photonics Technology, School of Material and Energy, Guangdong University of Technology, Guangzhou 510006, P. R. China
| | - Carl Redshaw
- Department of Chemistry, University of Hull, Cottingham Road, Hull, Yorkshire HU6 7RX, UK
| | - Guangle Niu
- Center of Bio and Micro/Nano Functional Materials, State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, P. R. China
| | - Xiaoqiang Yu
- Center of Bio and Micro/Nano Functional Materials, State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, P. R. China
| | - Xing Feng
- Guangdong Provincial Key Laboratory of Information Photonics Technology, School of Material and Energy, Guangdong University of Technology, Guangzhou 510006, P. R. China.,Guangdong Provincial Key Laboratory of Luminescence from Molecular Aggregates (South China University of Technology), Guangzhou 510640, P. R. China
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6
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Chaładaj W, Bisek B. Controllable Access to Furans and Dihydrofurans through Cyclization/Coupling of Internal Acetylenic β‐Ketoesters with Aryl Bromides. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202200686] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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7
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Umakoshi Y, Takemoto Y, Tsubouchi A, Zhdankin VV, Yoshimura A, Saito A. Dehydrogenative Cycloisomerization/Arylation Sequence of
N
‐Propargyl Carboxamides with Arenes by Iodine(III)‐Catalysis. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202200219] [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)
- Yuki Umakoshi
- Division of Applied Chemistry Institute of Engineering Tokyo University of Agriculture and Technology Koganei Tokyo 184-8588 Japan
| | - Yusuke Takemoto
- Division of Applied Chemistry Institute of Engineering Tokyo University of Agriculture and Technology Koganei Tokyo 184-8588 Japan
| | - Akira Tsubouchi
- Division of Applied Chemistry Institute of Engineering Tokyo University of Agriculture and Technology Koganei Tokyo 184-8588 Japan
| | - Viktor V. Zhdankin
- Department of Chemistry and Biochemistry University of Minnesota Duluth MN 55812 USA
| | - Akira Yoshimura
- Department of Chemistry and Biochemistry University of Minnesota Duluth MN 55812 USA
- Research School of Chemistry and Applied Biomedical Sciences The Tomsk Polytechnic University, postCode/>634050 Tomsk Russia
| | - Akio Saito
- Division of Applied Chemistry Institute of Engineering Tokyo University of Agriculture and Technology Koganei Tokyo 184-8588 Japan
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8
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Zhao F, Abdellaoui M, Hagui W, Ballarin-Marion M, Berthet J, Corcé V, Delbaere S, Dossmann H, Espagne A, Forté J, Jullien L, Le Saux T, Mouriès-Mansuy V, Ollivier C, Fensterbank L. Reactant-induced photoactivation of in situ generated organogold intermediates leading to alkynylated indoles via Csp 2-Csp cross-coupling. Nat Commun 2022; 13:2295. [PMID: 35484155 PMCID: PMC9051093 DOI: 10.1038/s41467-022-29982-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Accepted: 04/06/2022] [Indexed: 11/16/2022] Open
Abstract
Photosensitization of organogold intermediates is an emerging field in catalysis. In this context, an access to 2,3-disubstituted indoles from o-alkynyl aniline and iodoalkyne derivatives via a gold-catalyzed sequence under visible-light irradiation and in the absence of an exogenous photocatalyst was uncovered. A wide scope of the process is observed. Of note, 2-iodo-ynamides can be used as electrophiles in this cross-coupling reaction. The resulting N-alkynyl indoles lend themselves to post-functionalization affording valuable scaffolds, notably benzo[a]carbazoles. Mechanistic studies converge on the fact that a potassium sulfonyl amide generates emissive aggregates in the reaction medium. Static quenching of these aggregates by a vinylgold(I) intermediate yields to an excited state of the latter, which can react with an electrophile via oxidative addition and reductive elimination to forge the key C-C bond. This reactant-induced photoactivation of an organogold intermediate opens rich perspectives in the field of cross-coupling reactions.
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Affiliation(s)
- Fen Zhao
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, 4 Place Jussieu, 75005, Paris, France
| | - Mehdi Abdellaoui
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, 4 Place Jussieu, 75005, Paris, France
| | - Wided Hagui
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, 4 Place Jussieu, 75005, Paris, France
| | - Maria Ballarin-Marion
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, 4 Place Jussieu, 75005, Paris, France
| | - Jérôme Berthet
- Univ Lille, INSERM, CHU Lille, UMR-S 1172, Lille Neuroscience and Cognition Research Center, 59000, Lille, France
| | - Vincent Corcé
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, 4 Place Jussieu, 75005, Paris, France
| | - Stéphanie Delbaere
- Univ Lille, INSERM, CHU Lille, UMR-S 1172, Lille Neuroscience and Cognition Research Center, 59000, Lille, France
| | - Héloïse Dossmann
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, 4 Place Jussieu, 75005, Paris, France
| | - Agathe Espagne
- PASTEUR, Département de Chimie, École Normale Supérieure, PSL University, Sorbonne Université, CNRS, 24, Rue Lhomond, 75005, Paris, France
| | - Jérémy Forté
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, 4 Place Jussieu, 75005, Paris, France
| | - Ludovic Jullien
- PASTEUR, Département de Chimie, École Normale Supérieure, PSL University, Sorbonne Université, CNRS, 24, Rue Lhomond, 75005, Paris, France
| | - Thomas Le Saux
- PASTEUR, Département de Chimie, École Normale Supérieure, PSL University, Sorbonne Université, CNRS, 24, Rue Lhomond, 75005, Paris, France
| | - Virginie Mouriès-Mansuy
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, 4 Place Jussieu, 75005, Paris, France.
| | - Cyril Ollivier
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, 4 Place Jussieu, 75005, Paris, France.
| | - Louis Fensterbank
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, 4 Place Jussieu, 75005, Paris, France.
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9
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Jiang S, Nan N, He J, Guo J, Qin J, Xie Y, Ouyang X, Song R. Recent Progress in Aryl Radical-Mediated Cyclization of Unsaturated Bonds Based on Aryldiazonium Salts. CHINESE J ORG CHEM 2022. [DOI: 10.6023/cjoc202210013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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10
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Witzel S, Hoffmann M, Rudolph M, Rominger F, Dreuw A, Hashmi ASK. A Radical Chain: Mononuclear “Gold Only” Photocatalysis. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202101113] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Sina Witzel
- Organisch-Chemisches Institut Heidelberg University Im Neuenheimer Feld 270 69120 Heidelberg Germany
| | - Marvin Hoffmann
- Interdisziplinäres Zentrum für Wissenschaftliches Rechnen (IWR) Heidelberg University Im Neuenheimer Feld 205A 69120 Heidelberg Germany
| | - Matthias Rudolph
- Organisch-Chemisches Institut Heidelberg University Im Neuenheimer Feld 270 69120 Heidelberg Germany
| | - Frank Rominger
- Organisch-Chemisches Institut Heidelberg University Im Neuenheimer Feld 270 69120 Heidelberg Germany
| | - Andreas Dreuw
- Interdisziplinäres Zentrum für Wissenschaftliches Rechnen (IWR) Heidelberg University Im Neuenheimer Feld 205A 69120 Heidelberg Germany
| | - A. Stephen K. Hashmi
- Organisch-Chemisches Institut Heidelberg University Im Neuenheimer Feld 270 69120 Heidelberg Germany
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11
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Chan AY, Perry IB, Bissonnette NB, Buksh BF, Edwards GA, Frye LI, Garry OL, Lavagnino MN, Li BX, Liang Y, Mao E, Millet A, Oakley JV, Reed NL, Sakai HA, Seath CP, MacMillan DWC. Metallaphotoredox: The Merger of Photoredox and Transition Metal Catalysis. Chem Rev 2021; 122:1485-1542. [PMID: 34793128 DOI: 10.1021/acs.chemrev.1c00383] [Citation(s) in RCA: 480] [Impact Index Per Article: 160.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
The merger of photoredox catalysis with transition metal catalysis, termed metallaphotoredox catalysis, has become a mainstay in synthetic methodology over the past decade. Metallaphotoredox catalysis has combined the unparalleled capacity of transition metal catalysis for bond formation with the broad utility of photoinduced electron- and energy-transfer processes. Photocatalytic substrate activation has allowed the engagement of simple starting materials in metal-mediated bond-forming processes. Moreover, electron or energy transfer directly with key organometallic intermediates has provided novel activation modes entirely complementary to traditional catalytic platforms. This Review details and contextualizes the advancements in molecule construction brought forth by metallaphotocatalysis.
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Affiliation(s)
- Amy Y Chan
- Merck Center for Catalysis at Princeton University, Princeton, New Jersey 08544, United States
| | - Ian B Perry
- Merck Center for Catalysis at Princeton University, Princeton, New Jersey 08544, United States
| | - Noah B Bissonnette
- Merck Center for Catalysis at Princeton University, Princeton, New Jersey 08544, United States
| | - Benito F Buksh
- Merck Center for Catalysis at Princeton University, Princeton, New Jersey 08544, United States
| | - Grant A Edwards
- Merck Center for Catalysis at Princeton University, Princeton, New Jersey 08544, United States
| | - Lucas I Frye
- Merck Center for Catalysis at Princeton University, Princeton, New Jersey 08544, United States
| | - Olivia L Garry
- Merck Center for Catalysis at Princeton University, Princeton, New Jersey 08544, United States
| | - Marissa N Lavagnino
- Merck Center for Catalysis at Princeton University, Princeton, New Jersey 08544, United States
| | - Beryl X Li
- Merck Center for Catalysis at Princeton University, Princeton, New Jersey 08544, United States
| | - Yufan Liang
- Merck Center for Catalysis at Princeton University, Princeton, New Jersey 08544, United States
| | - Edna Mao
- Merck Center for Catalysis at Princeton University, Princeton, New Jersey 08544, United States
| | - Agustin Millet
- Merck Center for Catalysis at Princeton University, Princeton, New Jersey 08544, United States
| | - James V Oakley
- Merck Center for Catalysis at Princeton University, Princeton, New Jersey 08544, United States
| | - Nicholas L Reed
- Merck Center for Catalysis at Princeton University, Princeton, New Jersey 08544, United States
| | - Holt A Sakai
- Merck Center for Catalysis at Princeton University, Princeton, New Jersey 08544, United States
| | - Ciaran P Seath
- Merck Center for Catalysis at Princeton University, Princeton, New Jersey 08544, United States
| | - David W C MacMillan
- Merck Center for Catalysis at Princeton University, Princeton, New Jersey 08544, United States
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12
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Bhoyare VW, Tathe AG, Das A, Chintawar CC, Patil NT. The interplay of carbophilic activation and Au(I)/Au(III) catalysis: an emerging technique for 1,2-difunctionalization of C-C multiple bonds. Chem Soc Rev 2021; 50:10422-10450. [PMID: 34323240 DOI: 10.1039/d0cs00700e] [Citation(s) in RCA: 74] [Impact Index Per Article: 24.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Gold complexes have emerged as the catalysts of choice for various functionalization reactions of C-C multiple bonds due to their inherent carbophilic nature. In a parallel space, efforts to realize less accessible cross-coupling reactivity have led to the development of various strategies that facilitate the arduous Au(i)/Au(iii) redox cycle. The interplay of the two important reactivity modes encountered in gold catalysis, namely carbophilic activation and Au(i)/Au(iii) catalysis, has allowed the development of a novel mechanistic paradigm that sponsors 1,2-difunctionalization reactions of various C-C multiple bonds. Interestingly, the reactivity as well as selectivity obtained through this interplay could be complementary to that obtained by the use of various other transition metals that mainly involved the classical oxidative addition/migratory insertion pathways. The present review shall comprehensively cover all the 1,2-difunctionalization reactions of C-C multiple bonds that have been realized by the interplay of the two important reactivity modes and categorized on the basis of the method that has been employed to foster the Au(i)/Au(iii) redox cycle.
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Affiliation(s)
- Vivek W Bhoyare
- India Department of Chemistry, Indian Institute of Science Education and Research (IISER), Bhopal Bypass Road, Bhauri, Bhopal - 462 066, India.
| | - Akash G Tathe
- India Department of Chemistry, Indian Institute of Science Education and Research (IISER), Bhopal Bypass Road, Bhauri, Bhopal - 462 066, India.
| | - Avishek Das
- India Department of Chemistry, Indian Institute of Science Education and Research (IISER), Bhopal Bypass Road, Bhauri, Bhopal - 462 066, India.
| | - Chetan C Chintawar
- India Department of Chemistry, Indian Institute of Science Education and Research (IISER), Bhopal Bypass Road, Bhauri, Bhopal - 462 066, India.
| | - Nitin T Patil
- India Department of Chemistry, Indian Institute of Science Education and Research (IISER), Bhopal Bypass Road, Bhauri, Bhopal - 462 066, India.
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13
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Levernier E, Jaouadi K, Zhang HR, Corcé V, Bernard A, Gontard G, Troufflard C, Grimaud L, Derat E, Ollivier C, Fensterbank L. Phenyl Silicates with Substituted Catecholate Ligands: Synthesis, Structural Studies and Reactivity. Chemistry 2021; 27:8782-8790. [PMID: 33856711 DOI: 10.1002/chem.202100453] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Indexed: 01/05/2023]
Abstract
While the generation of aryl radicals by photoredox catalysis under reductive conditions is well documented, it has remained challenging under an oxidative pathway. Because of the easy photo-oxidation of alkyl bis-catecholato silicates, a general study of phenyl silicates bearing substituted catecholate ligands has been achieved. The newly synthesized phenyl silicates have been fully characterized, and their reactivity has been explored. It was found that, thanks to the substitution of the catecholate moiety, notably with the 4-cyanocatecholato ligand, the phenyl radical could be generated and trapped. Computational studies provided a rationale for these findings.
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Affiliation(s)
- Etienne Levernier
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, 4 Place Jussieu, CC 229, 75252, Paris, France
| | - Khaoula Jaouadi
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, 4 Place Jussieu, CC 229, 75252, Paris, France
- Laboratoire de biomolécules (LBM), Département de Chimie, Sorbonne Université, École Normale Supérieure, PSL University, CNRS, 75005, Paris, France
| | - Heng-Rui Zhang
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, 4 Place Jussieu, CC 229, 75252, Paris, France
| | - Vincent Corcé
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, 4 Place Jussieu, CC 229, 75252, Paris, France
| | - Aurélie Bernard
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, 4 Place Jussieu, CC 229, 75252, Paris, France
| | - Geoffrey Gontard
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, 4 Place Jussieu, CC 229, 75252, Paris, France
| | - Claire Troufflard
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, 4 Place Jussieu, CC 229, 75252, Paris, France
| | - Laurence Grimaud
- Laboratoire de biomolécules (LBM), Département de Chimie, Sorbonne Université, École Normale Supérieure, PSL University, CNRS, 75005, Paris, France
| | - Etienne Derat
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, 4 Place Jussieu, CC 229, 75252, Paris, France
| | - Cyril Ollivier
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, 4 Place Jussieu, CC 229, 75252, Paris, France
| | - Louis Fensterbank
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, 4 Place Jussieu, CC 229, 75252, Paris, France
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14
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Zhu Y, He Y, Tian W, Wang M, Zhou Z, Song X, Ding H, Xiao Q. Dual Cobalt and Photoredox Catalysis Enabled Redox‐Neutral Annulation of 2‐Propynolphenols. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202100221] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Yao Zhu
- Institute of Organic Chemistry Jiangxi Science & Technology Normal University Key Laboratory of Organic Chemistry Jiangxi Province Nanchang 330013 People's Republic of China
| | - Yong‐Qin He
- School of Pharmaceutical Science Nanchang University Nanchang 330006 People's Republic of China
| | - Wan‐Fa Tian
- Institute of Organic Chemistry Jiangxi Science & Technology Normal University Key Laboratory of Organic Chemistry Jiangxi Province Nanchang 330013 People's Republic of China
| | - Mei Wang
- Institute of Organic Chemistry Jiangxi Science & Technology Normal University Key Laboratory of Organic Chemistry Jiangxi Province Nanchang 330013 People's Republic of China
| | - Zhao‐Zhao Zhou
- Department of Chemistry Nanchang Normal University Nanchang People's Republic of China
| | - Xian‐Rong Song
- Institute of Organic Chemistry Jiangxi Science & Technology Normal University Key Laboratory of Organic Chemistry Jiangxi Province Nanchang 330013 People's Republic of China
| | - Hai‐Xin Ding
- Institute of Organic Chemistry Jiangxi Science & Technology Normal University Key Laboratory of Organic Chemistry Jiangxi Province Nanchang 330013 People's Republic of China
| | - Qiang Xiao
- Institute of Organic Chemistry Jiangxi Science & Technology Normal University Key Laboratory of Organic Chemistry Jiangxi Province Nanchang 330013 People's Republic of China
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15
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Mo F, Qiu D, Zhang L, Wang J. Recent Development of Aryl Diazonium Chemistry for the Derivatization of Aromatic Compounds. Chem Rev 2021; 121:5741-5829. [DOI: 10.1021/acs.chemrev.0c01030] [Citation(s) in RCA: 69] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Fanyang Mo
- Department of Energy and Resources Engineering, College of Engineering, Peking University, Beijing 100871, China
- School of Materials Science and Engineering, Peking University, Beijing 100871, China
| | - Di Qiu
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules, College of Chemistry, Tianjin Normal University, Tianjin 300387, China
| | - Lei Zhang
- Department of Energy and Resources Engineering, College of Engineering, Peking University, Beijing 100871, China
| | - Jianbo Wang
- Beijing National Laboratory of Molecular Sciences (BNLMS), Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, College of Chemistry, Peking University, Beijing 100871, China
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16
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Babu SS, Muthuraja P, Yadav P, Gopinath P. Aryldiazonium Salts in Photoredox Catalysis – Recent Trends. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202100136] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Sakamuri Sarath Babu
- Department of Chemistry Indian Institute of Science Education and Research Tirupati Tirupati, A.P. India
| | - P. Muthuraja
- Department of Chemistry Indian Institute of Science Education and Research Tirupati Tirupati, A.P. India
| | - Pooja Yadav
- Department of Chemistry Indian Institute of Science Education and Research Tirupati Tirupati, A.P. India
| | - Purushothaman Gopinath
- Department of Chemistry Indian Institute of Science Education and Research Tirupati Tirupati, A.P. India
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17
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Zhang X, Mei Y, Li Y, Hu J, Huang D, Bi Y. Visible‐Light‐Mediated Functionalization of Aryl Diazonium Salts. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202000636] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Xin Zhang
- Department of Chemistry Lishui University No. 1, Xueyuan Road Lishui City 323000 Zhejiang Province P. R. China
| | - Yaoyao Mei
- Department of Chemistry Lishui University No. 1, Xueyuan Road Lishui City 323000 Zhejiang Province P. R. China
| | - Yangyang Li
- Department of Chemistry Lishui University No. 1, Xueyuan Road Lishui City 323000 Zhejiang Province P. R. China
| | - Jingang Hu
- Department of Chemistry Lishui University No. 1, Xueyuan Road Lishui City 323000 Zhejiang Province P. R. China
| | - Dayun Huang
- Department of Chemistry Lishui University No. 1, Xueyuan Road Lishui City 323000 Zhejiang Province P. R. China
| | - Yicheng Bi
- Qingdao University of Science & Technology
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18
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Affiliation(s)
- Sina Witzel
- Organisch-Chemisches Institut, Heidelberg University, Im Neuenheimer Feld 270, 69120 Heidelberg, Germany
| | - A. Stephen K. Hashmi
- Organisch-Chemisches Institut, Heidelberg University, Im Neuenheimer Feld 270, 69120 Heidelberg, Germany
- Chemistry Department, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Jin Xie
- State Key Laboratory of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic Materials, Chemistry and Biomedicine Innovation Center (ChemBIC), School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
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19
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Castiñeira Reis M, Marín-Luna M, Janković N, Nieto Faza O, Silva López C. Au(III) catalyzes the cross-coupling between activated methylenes and alkene derivatives. J Catal 2020. [DOI: 10.1016/j.jcat.2020.09.030] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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20
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Le Q, Dillon CC, Lichtenstein DA, Pisor JW, Closser KD, Muchalski H. Gold(I)-NHC-catalysed synthesis of benzofurans via migratory cyclization of 2-alkynylaryl ethers. Org Biomol Chem 2020; 18:8186-8191. [PMID: 33026395 DOI: 10.1039/d0ob01538e] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Homogeneous cationic gold(i) catalysis emerged as a preferred avenue for the activation of alkenes and alkynes towards reactions with weak nucleophiles, especially in cyclization reactions. Here we report an intramolecular carboalkoxylation reaction of electron-rich benzyl ethers of 2-ethynylaryl phenols catalysed by a digold(i)-NHC complex. The reaction proceeds efficiently with low catalyst loading and the resulting 2,3-disubstituted benzofurans form in moderate to good yields. Based on the results of a cross-over experiment, spectroscopic data, and DFT calculations, we propose a mechanism that accounts for the observed chemo- and regioselectivity.
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Affiliation(s)
- Quang Le
- California State University Fresno, 2555 E San Ramon Ave M/S SB70, Fresno, CA 93740, USA.
| | - Christopher C Dillon
- California State University Fresno, 2555 E San Ramon Ave M/S SB70, Fresno, CA 93740, USA.
| | - Dana A Lichtenstein
- California State University Fresno, 2555 E San Ramon Ave M/S SB70, Fresno, CA 93740, USA.
| | - Jeremy W Pisor
- California State University Fresno, 2555 E San Ramon Ave M/S SB70, Fresno, CA 93740, USA.
| | - Kristina D Closser
- California State University Fresno, 2555 E San Ramon Ave M/S SB70, Fresno, CA 93740, USA.
| | - Hubert Muchalski
- California State University Fresno, 2555 E San Ramon Ave M/S SB70, Fresno, CA 93740, USA.
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21
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Rocchigiani L, Bochmann M. Recent Advances in Gold(III) Chemistry: Structure, Bonding, Reactivity, and Role in Homogeneous Catalysis. Chem Rev 2020; 121:8364-8451. [DOI: 10.1021/acs.chemrev.0c00552] [Citation(s) in RCA: 64] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- Luca Rocchigiani
- School of Chemistry, University of East Anglia, Norwich Research Park, Norwich NR47TJ, United Kingdom
| | - Manfred Bochmann
- School of Chemistry, University of East Anglia, Norwich Research Park, Norwich NR47TJ, United Kingdom
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22
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Medina‐Mercado I, Porcel S. Insights into the Mechanism of Gold(I) Oxidation with Aryldiazonium Salts. Chemistry 2020; 26:16206-16221. [DOI: 10.1002/chem.202000884] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Revised: 05/20/2020] [Indexed: 01/14/2023]
Affiliation(s)
- Ignacio Medina‐Mercado
- Instituto de Química Universidad Nacional Autónoma de, México Circuito Exterior s/n Ciudad Universitaria, Cd. Mx. 04510 México
| | - Susana Porcel
- Instituto de Química Universidad Nacional Autónoma de, México Circuito Exterior s/n Ciudad Universitaria, Cd. Mx. 04510 México
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23
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Gold(I)/Gold(III) Catalysis that Merges Oxidative Addition and π‐Alkene Activation. Angew Chem Int Ed Engl 2020; 59:16625-16630. [DOI: 10.1002/anie.202006074] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Revised: 05/19/2020] [Indexed: 01/12/2023]
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24
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Rigoulet M, Thillaye du Boullay O, Amgoune A, Bourissou D. Gold(I)/Gold(III) Catalysis that Merges Oxidative Addition and π‐Alkene Activation. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202006074] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Mathilde Rigoulet
- CNRS/Université Toulouse III—Paul SabatierLaboratoire, Hétérochimie Fondamentale et Appliquée (LHFA, UMR 5069) 118 Route de Narbonne 31062 Toulouse Cedex 09 France
| | - Olivier Thillaye du Boullay
- CNRS/Université Toulouse III—Paul SabatierLaboratoire, Hétérochimie Fondamentale et Appliquée (LHFA, UMR 5069) 118 Route de Narbonne 31062 Toulouse Cedex 09 France
| | - Abderrahmane Amgoune
- CNRS/Université Toulouse III—Paul SabatierLaboratoire, Hétérochimie Fondamentale et Appliquée (LHFA, UMR 5069) 118 Route de Narbonne 31062 Toulouse Cedex 09 France
| | - Didier Bourissou
- CNRS/Université Toulouse III—Paul SabatierLaboratoire, Hétérochimie Fondamentale et Appliquée (LHFA, UMR 5069) 118 Route de Narbonne 31062 Toulouse Cedex 09 France
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25
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Zhang J, Wang JY, Huang MH, Hao WJ, Tu XC, Tu SJ, Jiang B. Ligand-Free Pd-Catalyzed Synthesis of 3-Allylbenzofurans by Merging Decarboxylative Allylation and Nucleophilic Cyclization. J Org Chem 2020; 85:7036-7044. [DOI: 10.1021/acs.joc.0c00375] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Jie Zhang
- School of Chemistry & Materials Science, Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials, Jiangsu Normal University, Xuzhou 221116, P. R. China
| | - Jia-Yin Wang
- School of Chemistry & Materials Science, Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials, Jiangsu Normal University, Xuzhou 221116, P. R. China
| | - Min-Hua Huang
- School of Chemistry & Materials Science, Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials, Jiangsu Normal University, Xuzhou 221116, P. R. China
| | - Wen-Juan Hao
- School of Chemistry & Materials Science, Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials, Jiangsu Normal University, Xuzhou 221116, P. R. China
| | - Xing-Chao Tu
- School of Chemistry & Materials Science, Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials, Jiangsu Normal University, Xuzhou 221116, P. R. China
| | - Shu-Jiang Tu
- School of Chemistry & Materials Science, Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials, Jiangsu Normal University, Xuzhou 221116, P. R. China
| | - Bo Jiang
- School of Chemistry & Materials Science, Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials, Jiangsu Normal University, Xuzhou 221116, P. R. China
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26
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Abstract
:
The benzofuranyl motif present in compounds exhibits various medicinal properties and
non-drug applications. These derivatives are naturally occurring compounds or synthetic materials,
which cover a broad spectrum of pharmacological activities like anti-inflammatory, anti-diabetic, anti-
depressant, anti-HIV, anti-microbial, anti-proliferative, anti-convulsant, cytotoxic, analgesic, etc.
Few of the commercially interesting compounds from this class are, ailanthoidol (anti-inflammatory),
amiodarone, dronedarone, celivarone (anti-arrhythmic), bufuralol (muscular airways relaxant), morphine,
5-(2-aminopropyl)benzofuran; 5-APB, 6-(2-aminopropyl)benzofuran; 6-APB (CNS), rifampicin
(antibiotic), etc., whereas, some of the non-drug applications are in perfumery industry (bergapten)
and as tannin activators in sunscreen preparations (psoralen, 8-methoxypsoralen, and angelicin).
Considering these interesting biological activities and commercial utilities, a review on the synthetic
aspects of this privileged scaffold was attempted. For the benefit of natural product-based drug discovery,
available sources of these derivatives, extraction process and reported biological activities
have also been outlined in this review.
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Affiliation(s)
- Andiappan Lavanya
- Department of Training and Development, Orchid Pharma Ltd., 138-149, SIDCO Industrial Estate, Alathur, Chennai- 603 110, Tamil Nadu, India
| | - Kilambi Narasimhan
- Department of Training and Development, Orchid Pharma Ltd., 138-149, SIDCO Industrial Estate, Alathur, Chennai- 603 110, Tamil Nadu, India
| | - Vediappen Padmini
- Department of Organic Chemistry, School of Chemistry, Madurai Kamaraj University, Madurai 625021, Tamil Nadu, India
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27
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Zhang X, Zeng P, Zhang S, Chen Z. FeCl
3
‐Mediated Friedel‐Crafts Alkylation and Oxidative Annulations: Facile Synthesis of Benzofurans. ChemistrySelect 2020. [DOI: 10.1002/slct.202000381] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Xiongfei Zhang
- Collaborative Innovation Center of Yangtze River Delta Region Green PharmaceuticalsZhejiang University of TechnologyCollege of Pharmaceutical SciencesZhejiang University of Technology. Chao Wang Road 18th 310014 Hangzhou China
| | - Piaopiao Zeng
- Collaborative Innovation Center of Yangtze River Delta Region Green PharmaceuticalsZhejiang University of TechnologyCollege of Pharmaceutical SciencesZhejiang University of Technology. Chao Wang Road 18th 310014 Hangzhou China
| | - Shuo Zhang
- Collaborative Innovation Center of Yangtze River Delta Region Green PharmaceuticalsZhejiang University of TechnologyCollege of Pharmaceutical SciencesZhejiang University of Technology. Chao Wang Road 18th 310014 Hangzhou China
| | - Zhiwei Chen
- Collaborative Innovation Center of Yangtze River Delta Region Green PharmaceuticalsZhejiang University of TechnologyCollege of Pharmaceutical SciencesZhejiang University of Technology. Chao Wang Road 18th 310014 Hangzhou China
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28
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Reddy RJ, Kumar JJ, Kumari AH, Krishna GR. Pd‐Catalyzed Annulation of β‐Iodovinyl Sulfones with 2‐Halophenols: A General Route for the Synthesis of 3‐Sulfonyl Benzofuran Derivatives. Adv Synth Catal 2020. [DOI: 10.1002/adsc.201901550] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Raju Jannapu Reddy
- Department of Chemistry, University College of ScienceOsmania University Hyderabad 500 007 India
| | - Jangam Jagadesh Kumar
- Department of Chemistry, University College of ScienceOsmania University Hyderabad 500 007 India
| | - Arram Haritha Kumari
- Department of Chemistry, University College of ScienceOsmania University Hyderabad 500 007 India
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29
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Oschmann M, Johansson Holm L, Pourghasemi-Lati M, Verho O. Synthesis of Elaborate Benzofuran-2-carboxamide Derivatives through a Combination of 8-Aminoquinoline Directed C-H Arylation and Transamidation Chemistry. Molecules 2020; 25:E361. [PMID: 31952313 PMCID: PMC7024369 DOI: 10.3390/molecules25020361] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Revised: 01/09/2020] [Accepted: 01/13/2020] [Indexed: 12/20/2022] Open
Abstract
Herein, we present a short and highly modular synthetic route that involves 8-aminoquinoline directed C-H arylation and transamidation chemistry, and which enables access to a wide range of elaborate benzofuran-2-carboxamides. For the directed C-H arylation reactions, Pd catalysis was used to install a wide range of aryl and heteroaryl substituents at the C3 position of the benzofuran scaffold in high efficiency. Directing group cleavage and further diversification of the C3-arylated benzofuran products were then achieved in a single synthetic operation through the utilization of a one-pot, two-step transamidation procedure, which proceeded via the intermediate N-acyl-Boc-carbamates. Given the high efficiency and modularity of this synthetic strategy, it constitutes a very attractive method for generating structurally diverse collections of benzofuran derivatives for small molecule screening campaigns.
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Affiliation(s)
| | | | | | - Oscar Verho
- Arrhenius Laboratory, Department of Organic Chemistry, Stockholm University, SE-106 91 Stockholm, Sweden; (M.O.); (L.J.H.); (M.P.-L.)
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30
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Nijamudheen A, Datta A. Gold-Catalyzed Cross-Coupling Reactions: An Overview of Design Strategies, Mechanistic Studies, and Applications. Chemistry 2019; 26:1442-1487. [PMID: 31657487 DOI: 10.1002/chem.201903377] [Citation(s) in RCA: 101] [Impact Index Per Article: 20.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Revised: 10/28/2019] [Indexed: 12/14/2022]
Abstract
Transition-metal-catalyzed cross-coupling reactions are central to many organic synthesis methodologies. Traditionally, Pd, Ni, Cu, and Fe catalysts are used to promote these reactions. Recently, many studies have showed that both homogeneous and heterogeneous Au catalysts can be used for activating selective cross-coupling reactions. Here, an overview of the past studies, current trends, and future directions in the field of gold-catalyzed coupling reactions is presented. Design strategies to accomplish selective homocoupling and cross-coupling reactions under both homogeneous and heterogeneous conditions, computational and experimental mechanistic studies, and their applications in diverse fields are critically reviewed. Specific topics covered are: oxidant-assisted and oxidant-free reactions; strain-assisted reactions; dual Au and photoredox catalysis; bimetallic synergistic reactions; mechanisms of reductive elimination processes; enzyme-mimicking Au chemistry; cluster and surface reactions; and plasmonic catalysis. In the relevant sections, theoretical and computational studies of AuI /AuIII chemistry are discussed and the predictions from the calculations are compared with the experimental observations to derive useful design strategies.
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Affiliation(s)
- A Nijamudheen
- School of Chemical Sciences, Indian Association for the, Cultivation of Sciences, 2A & 2B Raja S C Mullick Road, Kolkata, 700032, India.,Department of Chemical & Biomedical Engineering, Florida A&M University-Florida State University, Joint College of Engineering, 2525 Pottsdamer Street, Tallahassee, FL, 32310, USA
| | - Ayan Datta
- School of Chemical Sciences, Indian Association for the, Cultivation of Sciences, 2A & 2B Raja S C Mullick Road, Kolkata, 700032, India
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31
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Taschinski S, Döpp R, Ackermann M, Rominger F, Vries F, Menger MFSJ, Rudolph M, Hashmi ASK, Klein JEMN. Light‐Induced Mechanistic Divergence in Gold(I) Catalysis: Revisiting the Reactivity of Diazonium Salts. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201908268] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Svenja Taschinski
- Molecular Inorganic ChemistryStratingh Institute for ChemistryFaculty of Science and EngineeringUniversity of Groningen Nijenborgh 4 9747 AG Groningen The Netherlands
- Organisch-Chemisches InstitutHeidelberg University Im Neuenheimer Feld 270 69120 Heidelberg Germany
| | - René Döpp
- Organisch-Chemisches InstitutHeidelberg University Im Neuenheimer Feld 270 69120 Heidelberg Germany
| | - Martin Ackermann
- Organisch-Chemisches InstitutHeidelberg University Im Neuenheimer Feld 270 69120 Heidelberg Germany
| | - Frank Rominger
- Organisch-Chemisches InstitutHeidelberg University Im Neuenheimer Feld 270 69120 Heidelberg Germany
| | - Folkert Vries
- Molecular Inorganic ChemistryStratingh Institute for ChemistryFaculty of Science and EngineeringUniversity of Groningen Nijenborgh 4 9747 AG Groningen The Netherlands
| | - Maximilian F. S. J. Menger
- Zernike Institute for Advanced MaterialsFaculty of Science and EngineeringUniversity of Groningen Nijenborgh 4 9747 AG Groningen The Netherlands
| | - Matthias Rudolph
- Organisch-Chemisches InstitutHeidelberg University Im Neuenheimer Feld 270 69120 Heidelberg Germany
| | - A. Stephen K. Hashmi
- Organisch-Chemisches InstitutHeidelberg University Im Neuenheimer Feld 270 69120 Heidelberg Germany
- Chemistry DepartmentFaculty of ScienceKing Abdulaziz University Jeddah 21589 Saudi Arabia
| | - Johannes E. M. N. Klein
- Molecular Inorganic ChemistryStratingh Institute for ChemistryFaculty of Science and EngineeringUniversity of Groningen Nijenborgh 4 9747 AG Groningen The Netherlands
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32
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Taschinski S, Döpp R, Ackermann M, Rominger F, de Vries F, Menger MFSJ, Rudolph M, Hashmi ASK, Klein JEMN. Light-Induced Mechanistic Divergence in Gold(I) Catalysis: Revisiting the Reactivity of Diazonium Salts. Angew Chem Int Ed Engl 2019; 58:16988-16993. [PMID: 31552696 PMCID: PMC6899485 DOI: 10.1002/anie.201908268] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2019] [Revised: 09/02/2019] [Indexed: 01/02/2023]
Abstract
In a systematic study of the Au-catalyzed reaction of o-alkynylphenols with aryldiazonium salts, we find that essentially the same reaction conditions lead to a change in mechanism when a light source is applied. If the reaction is carried out at room temperature using a AuI catalyst, the diazonium salt undergoes electrophilic deauration of a vinyl AuI intermediate and provides access to substituted azobenzofurans. If the reaction mixture is irradiated with blue LED light, C-C bond formation due to N2 -extrusion from the diazonium salt is realized selectively, using the same starting materials without the need for an additional photo(redox) catalyst under aerobic conditions. We report a series of experiments demonstrating that the same vinyl AuI intermediate is capable of producing the observed products under photolytic and thermal conditions. The finding that a vinyl AuI complex can directly, without the need for an additional photo(redox) catalyst, result in C-C bond formation under photolytic conditions is contrary to the proposed mechanistic pathways suggested in the literature till date and highlights that the role of oxidation state changes in photoredox catalysis involving Au is thus far only poorly understood and may hold surprises for the future. Computational results indicate that photochemical activation can occur directly from a donor-acceptor complex formed between the vinyl AuI intermediate and the diazonium salt.
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Affiliation(s)
- Svenja Taschinski
- Molecular Inorganic ChemistryStratingh Institute for ChemistryFaculty of Science and EngineeringUniversity of GroningenNijenborgh 49747AGGroningenThe Netherlands
- Organisch-Chemisches InstitutHeidelberg UniversityIm Neuenheimer Feld 27069120HeidelbergGermany
| | - René Döpp
- Organisch-Chemisches InstitutHeidelberg UniversityIm Neuenheimer Feld 27069120HeidelbergGermany
| | - Martin Ackermann
- Organisch-Chemisches InstitutHeidelberg UniversityIm Neuenheimer Feld 27069120HeidelbergGermany
| | - Frank Rominger
- Organisch-Chemisches InstitutHeidelberg UniversityIm Neuenheimer Feld 27069120HeidelbergGermany
| | - Folkert de Vries
- Molecular Inorganic ChemistryStratingh Institute for ChemistryFaculty of Science and EngineeringUniversity of GroningenNijenborgh 49747AGGroningenThe Netherlands
| | - Maximilian F. S. J. Menger
- Zernike Institute for Advanced MaterialsFaculty of Science and EngineeringUniversity of GroningenNijenborgh 49747AGGroningenThe Netherlands
| | - Matthias Rudolph
- Organisch-Chemisches InstitutHeidelberg UniversityIm Neuenheimer Feld 27069120HeidelbergGermany
| | - A. Stephen K. Hashmi
- Organisch-Chemisches InstitutHeidelberg UniversityIm Neuenheimer Feld 27069120HeidelbergGermany
- Chemistry DepartmentFaculty of ScienceKing Abdulaziz UniversityJeddah21589Saudi Arabia
| | - Johannes E. M. N. Klein
- Molecular Inorganic ChemistryStratingh Institute for ChemistryFaculty of Science and EngineeringUniversity of GroningenNijenborgh 49747AGGroningenThe Netherlands
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33
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Yang L, Li H, Du Y, Cheng K, Qi C. Visible Light‐Catalyzed Decarboxylative Alkynylation of Arenediazonium Salts with Alkynyl Carboxylic Acids: Direct Access to Aryl Alkynes by Organic Photoredox Catalysis. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201900603] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Liangfeng Yang
- Zhejiang Key Laboratory of Alternative Technologies for Fine Chemicals ProcessShaoxing University 312000 Shaoxing People's Republic of China
| | - Haifeng Li
- Zhejiang Key Laboratory of Alternative Technologies for Fine Chemicals ProcessShaoxing University 312000 Shaoxing People's Republic of China
| | - Yijun Du
- Zhejiang Key Laboratory of Alternative Technologies for Fine Chemicals ProcessShaoxing University 312000 Shaoxing People's Republic of China
| | - Kai Cheng
- Zhejiang Key Laboratory of Alternative Technologies for Fine Chemicals ProcessShaoxing University 312000 Shaoxing People's Republic of China
| | - Chenze Qi
- Zhejiang Key Laboratory of Alternative Technologies for Fine Chemicals ProcessShaoxing University 312000 Shaoxing People's Republic of China
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34
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Khan F, Fatima M, Shirzaei M, Vo Y, Amarasiri M, Banwell MG, Ma C, Ward JS, Gardiner MG. Tandem Ullmann-Goldberg Cross-Coupling/Cyclopalladation-Reductive Elimination Reactions and Related Sequences Leading to Polyfunctionalized Benzofurans, Indoles, and Phthalanes. Org Lett 2019; 21:6342-6346. [PMID: 31364356 DOI: 10.1021/acs.orglett.9b02235] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
On exposure to a combination of Cu[I]- and Pd[0]-based catalysts, compounds such as 1 and 7 engage in tandem Ullmann-Goldberg cross-coupling and cyclopalladation-reductive elimination reactions to give benzofurans such as 8. Related reactions involving hetero-Michael additions of o-halogenated phenols or anilines to propiolates and the Pd[0]-catalyzed cyclization of the resulting conjugates provide, in a one-pot process, alternately functionalized benzofurans, indoles, or phthalanes.
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Affiliation(s)
- Faiyaz Khan
- Research School of Chemistry, Institute of Advanced Studies , The Australian National University , Canberra , Australian Capital Territory 2601 , Australia
| | - Mehvish Fatima
- Research School of Chemistry, Institute of Advanced Studies , The Australian National University , Canberra , Australian Capital Territory 2601 , Australia
| | - Moheb Shirzaei
- Research School of Chemistry, Institute of Advanced Studies , The Australian National University , Canberra , Australian Capital Territory 2601 , Australia
| | - Yen Vo
- Research School of Chemistry, Institute of Advanced Studies , The Australian National University , Canberra , Australian Capital Territory 2601 , Australia
| | - Madushani Amarasiri
- Research School of Chemistry, Institute of Advanced Studies , The Australian National University , Canberra , Australian Capital Territory 2601 , Australia
| | - Martin G Banwell
- Research School of Chemistry, Institute of Advanced Studies , The Australian National University , Canberra , Australian Capital Territory 2601 , Australia
| | - Chenxi Ma
- Research School of Chemistry, Institute of Advanced Studies , The Australian National University , Canberra , Australian Capital Territory 2601 , Australia
| | - Jas S Ward
- Research School of Chemistry, Institute of Advanced Studies , The Australian National University , Canberra , Australian Capital Territory 2601 , Australia
| | - Michael G Gardiner
- Research School of Chemistry, Institute of Advanced Studies , The Australian National University , Canberra , Australian Capital Territory 2601 , Australia
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35
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Photosensitized oxidative addition to gold(i) enables alkynylative cyclization of o-alkylnylphenols with iodoalkynes. Nat Chem 2019; 11:797-805. [DOI: 10.1038/s41557-019-0295-9] [Citation(s) in RCA: 57] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2018] [Accepted: 06/18/2019] [Indexed: 01/19/2023]
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36
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Praveen C. Carbophilic activation of π-systems via gold coordination: Towards regioselective access of intermolecular addition products. Coord Chem Rev 2019. [DOI: 10.1016/j.ccr.2019.04.010] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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37
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Ren X, Lu Z. Visible light promoted difunctionalization reactions of alkynes. CHINESE JOURNAL OF CATALYSIS 2019. [DOI: 10.1016/s1872-2067(19)63278-x] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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38
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Kim S, Toste FD. Mechanism of Photoredox-Initiated C-C and C-N Bond Formation by Arylation of IPrAu(I)-CF 3 and IPrAu(I)-Succinimide. J Am Chem Soc 2019; 141:4308-4315. [PMID: 30653314 PMCID: PMC6446566 DOI: 10.1021/jacs.8b11273] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Herein, we report on the photoredox-initiated gold-mediated C(sp2)-CF3 and C(sp2)-N coupling reactions. By adopting gold as a platform for probing metallaphotoredox catalysis, we demonstrate that cationic gold(III) complexes are the key intermediates of the C-C and C-N coupling reactions. The high-valent gold(III) intermediates are accessed by virtue of photoredox catalysis through a radical chain process. In addition, the bond-forming step of the coupling reactions is the reductive elimination from cationic gold(III) intermediates, which is supported by isolation and crystallographic characterization of key Au(III) intermediates.
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39
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Anselmo M, Basso A, Protti S, Ravelli D. Photoredox-Catalyzed Generation of Acetonyl Radical in Flow: Theoretical Investigation and Synthetic Applications. ACS Catal 2019. [DOI: 10.1021/acscatal.8b03875] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Manuel Anselmo
- Department of Chemistry and Industrial Chemistry, University of Genova, Via Dodecaneso 31, 16100 Genova, Italy
| | - Andrea Basso
- Department of Chemistry and Industrial Chemistry, University of Genova, Via Dodecaneso 31, 16100 Genova, Italy
| | - Stefano Protti
- PhotoGreen Lab, Department of Chemistry, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy
| | - Davide Ravelli
- PhotoGreen Lab, Department of Chemistry, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy
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40
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Felpin FX, Sengupta S. Biaryl synthesis with arenediazonium salts: cross-coupling, CH-arylation and annulation reactions. Chem Soc Rev 2019; 48:1150-1193. [PMID: 30608075 DOI: 10.1039/c8cs00453f] [Citation(s) in RCA: 120] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The rich legacy of arenediazonium salts in the synthesis of unsymmetrical biaryls, built around the seminal works of Pschorr, Gomberg and Bachmann more than a century ago, continues to make important contributions at various evolutionary stages of modern biaryl synthesis. Based on in-depth mechanistic analysis and design of novel pathways and reaction conditions, the scope of biaryl synthesis with arenediazonium salts has enormously expanded in recent years through applications of transition metal/photoredox-catalysed cross-coupling, thermal/photosensitized radical chain CH-arylation of (hetero)arenes and arylative radical annulation reactions with alkynes. These recent developments have provided facile synthetic access to a wide variety of unsymmetrical biaryls of pharmaceutical, agrochemical and optoelectronic importance with green scale-up options and created opportunities for late-stage modification of peptides, nucleosides, carbon nanotubes and electrodes, the details of which are captured in this review.
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Affiliation(s)
- François-Xavier Felpin
- Université de Nantes, UFR des Sciences et des Techniques, CNRS UMR 6230, CEISAM, 2 rue de la Houssinière, 44322 Nantes Cedex 3, France. and Institut Universitaire de France, 1 rue Descartes, 75231 Paris Cedex 05, France
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41
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Octa-Smolin F, van der Vight F, Yadav R, Bhangu J, Soloviova K, Wölper C, Daniliuc CG, Strassert CA, Somnitz H, Jansen G, Niemeyer J. Synthesis of Furan-Annelated BINOL Derivatives: Acid-Catalyzed Cyclization Induces Partial Racemization. J Org Chem 2018; 83:14568-14587. [PMID: 30359025 DOI: 10.1021/acs.joc.8b02353] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
In this account, we describe the synthesis of a series of BINOL-based bis- and trisphosphoric acids 11d/e/f, which commonly feature an unusual phosphoric acid monoester motif. This motif is generated by an acid-catalyzed 5- endo- dig cyclization of the 3-alkynyl-substituted BINOL precursors to give the corresponding Furan-annelated derivatives, followed by phosphorylation of the remaining phenolic alcohols. In the cyclization reaction, we observed an unexpected partial racemization in the bis- and tris-BINOL scaffolds, leading to mixtures of diastereomers that were separated and characterized spectroscopically and by X-ray crystal structure analyses. The cyclization and racemization processes were investigated both experimentally and by DFT-calculations, showing that although the cyclization proceeds faster, the barrier for the acid-catalyzed binaphthyl-racemization is only slightly higher.
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Affiliation(s)
- Frescilia Octa-Smolin
- Institute of Organic Chemistry and Center for Nanointegration Duisburg-Essen (CENIDE) , University of Duisburg-Essen , Universitätsstrasse 7 , 45141 Essen , Germany
| | - Felix van der Vight
- Theoretical Organic Chemistry/Theoretical Chemistry , University of Duisburg-Essen , Universitätsstrasse 7 , 45141 Essen , Germany
| | - Rohan Yadav
- Institute of Organic Chemistry and Center for Nanointegration Duisburg-Essen (CENIDE) , University of Duisburg-Essen , Universitätsstrasse 7 , 45141 Essen , Germany
| | - Jasmine Bhangu
- Institute of Organic Chemistry and Center for Nanointegration Duisburg-Essen (CENIDE) , University of Duisburg-Essen , Universitätsstrasse 7 , 45141 Essen , Germany
| | - Kateryna Soloviova
- Institut für Anorganische und Analytische Chemie and Center for Nanotechnology , Westfälische Wilhelms-Universität Münster , Heisenbergstr. 11 , 48149 Münster , Germany
| | - Christoph Wölper
- Institute of Inorganic Chemistry , University of Duisburg-Essen , Universitätsstrasse 7 , 45141 Essen , Germany
| | | | - Cristian A Strassert
- Institut für Anorganische und Analytische Chemie and Center for Nanotechnology , Westfälische Wilhelms-Universität Münster , Heisenbergstr. 11 , 48149 Münster , Germany
| | - Holger Somnitz
- Theoretical Organic Chemistry/Theoretical Chemistry , University of Duisburg-Essen , Universitätsstrasse 7 , 45141 Essen , Germany
| | - Georg Jansen
- Theoretical Organic Chemistry/Theoretical Chemistry , University of Duisburg-Essen , Universitätsstrasse 7 , 45141 Essen , Germany
| | - Jochen Niemeyer
- Institute of Organic Chemistry and Center for Nanointegration Duisburg-Essen (CENIDE) , University of Duisburg-Essen , Universitätsstrasse 7 , 45141 Essen , Germany
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42
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Ho HE, Stephens TC, Payne TJ, O’Brien P, Taylor RJK, Unsworth WP. Merging π-Acid and Pd Catalysis: Dearomatizing Spirocyclization/Cross-Coupling Cascade Reactions of Alkyne-Tethered Aromatics. ACS Catal 2018. [DOI: 10.1021/acscatal.8b03861] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Hon Eong Ho
- Department of Chemistry, University of York, York, U.K., YO10 5DD
| | | | - Thomas J. Payne
- Department of Chemistry, University of York, York, U.K., YO10 5DD
| | - Peter O’Brien
- Department of Chemistry, University of York, York, U.K., YO10 5DD
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43
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Akram MO, Shinde PS, Chintawar CC, Patil NT. Gold(i)-catalyzed cross-coupling reactions of aryldiazonium salts with organostannanes. Org Biomol Chem 2018; 16:2865-2869. [DOI: 10.1039/c8ob00630j] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Gold(i)-catalyzed cross-coupling reactions of aryldiazonium salts with organostannanes are described.
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Affiliation(s)
- Manjur O. Akram
- Division of Organic Chemistry
- CSIR – National Chemical Laboratory
- Pune – 411 008
- India
- Academy of Scientific and Innovative Research (AcSIR)
| | - Popat S. Shinde
- Division of Organic Chemistry
- CSIR – National Chemical Laboratory
- Pune – 411 008
- India
- Academy of Scientific and Innovative Research (AcSIR)
| | - Chetan C. Chintawar
- Department of Chemistry
- Indian Institute of Science Education and Research Bhopal
- Bhopal – 462 066
- India
| | - Nitin T. Patil
- Department of Chemistry
- Indian Institute of Science Education and Research Bhopal
- Bhopal – 462 066
- India
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44
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Liu Y, Lu T, Tang WF, Gao J. Transition-metal-free base catalyzed intramolecular cyclization of 2-ynylphenols for efficient and facile synthesis of 2-substituted benzo[b]furans. RSC Adv 2018; 8:28637-28641. [PMID: 35542491 PMCID: PMC9084342 DOI: 10.1039/c8ra03882a] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2018] [Accepted: 08/06/2018] [Indexed: 01/12/2023] Open
Abstract
An efficient and practical transition-metal-free synthesis of 2-substituted benzo[b]furans catalyzed by readily accessible base was developed with broad substrates scope.
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Affiliation(s)
- Yong Liu
- Department of Organic Chemistry
- China Pharmaceutical University
- Nanjing
- P. R. China
| | - Tao Lu
- Department of Organic Chemistry
- China Pharmaceutical University
- Nanjing
- P. R. China
| | - Wei-Fang Tang
- Department of Organic Chemistry
- China Pharmaceutical University
- Nanjing
- P. R. China
| | - Jian Gao
- Department of Organic Chemistry
- China Pharmaceutical University
- Nanjing
- P. R. China
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45
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Carrillo-Arcos UA, Porcel S. Gold promoted arylative cyclization of alkynoic acids with arenediazonium salts. Org Biomol Chem 2018; 16:1837-1842. [DOI: 10.1039/c7ob02447a] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Arylgold(iii) species generated from arenediazonium salts and Au(i) under thermal conditions promote the arylative cyclization of alkynoic acids leading to tetrasubstituted lactones.
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Affiliation(s)
| | - Susana Porcel
- Instituto de Química
- Universidad Nacional Autónoma de México
- 04510 México D.F
- Mexico
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46
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Li JX, Li L, Zhou MD, Wang H. Visible-light-promoted organic-dye-catalyzed three-component coupling of aldehydes, hydrazines and bromodifluorinated reagents. Org Chem Front 2018. [DOI: 10.1039/c7qo00939a] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
α,α-Difluoroketone hydrazones have been synthesised from readily available aldehydes, hydrazines, and bromodifluorinated reagents via visible-light photoredox catalysis.
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Affiliation(s)
- Jin-Xue Li
- School of Chemistry and Materials Science
- Liaoning Shihua University
- Fushun 113001
- P. R. China
| | - Lei Li
- School of Chemistry and Materials Science
- Liaoning Shihua University
- Fushun 113001
- P. R. China
| | - Ming-Dong Zhou
- School of Chemistry and Materials Science
- Liaoning Shihua University
- Fushun 113001
- P. R. China
| | - He Wang
- School of Chemistry and Materials Science
- Liaoning Shihua University
- Fushun 113001
- P. R. China
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47
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Chakrabarty I, Akram MO, Biswas S, Patil NT. Visible light mediated desilylative C(sp2)–C(sp2) cross-coupling reactions of arylsilanes with aryldiazonium salts under Au(i)/Au(iii) catalysis. Chem Commun (Camb) 2018; 54:7223-7226. [DOI: 10.1039/c8cc03925a] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Desilylative C(sp2)–C(sp2) cross-coupling reactions of arylsilanes with aryldiazonium salts under Au(i)/photoredox catalysis have been reported.
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Affiliation(s)
- Indradweep Chakrabarty
- Division of Organic Chemistry
- CSIR – National Chemical Laboratory
- Dr Homi Bhabha Road
- Pune
- India
| | - Manjur O. Akram
- Division of Organic Chemistry
- CSIR – National Chemical Laboratory
- Dr Homi Bhabha Road
- Pune
- India
| | - Suprakash Biswas
- Department of Chemistry
- Indian Institute of Science Education and Research Bhopal
- Bhauri
- Bhopal
- India
| | - Nitin T. Patil
- Department of Chemistry
- Indian Institute of Science Education and Research Bhopal
- Bhauri
- Bhopal
- India
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48
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Akram MO, Banerjee S, Saswade SS, Bedi V, Patil NT. Oxidant-free oxidative gold catalysis: the new paradigm in cross-coupling reactions. Chem Commun (Camb) 2018; 54:11069-11083. [DOI: 10.1039/c8cc05601c] [Citation(s) in RCA: 98] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
The construction of C–C and C–X (X = hetero atom) bonds is the core aspect for the assembly of molecules. This feature article critically presents an overview of all the redox neutral cross-coupling reactions enabled by gold catalysis, which we believe would stimulate further research activities in this promising area.
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Affiliation(s)
- Manjur O. Akram
- Division of Organic Chemistry
- CSIR-National Chemical Laboratory
- Dr Homi Bhabha Road
- Pune 411 008
- India
| | - Somsuvra Banerjee
- Division of Organic Chemistry
- CSIR-National Chemical Laboratory
- Dr Homi Bhabha Road
- Pune 411 008
- India
| | - Sagar S. Saswade
- Department of Chemistry
- Indian Institute of Science Education and Research Bhopal
- Bhopal – 462 066
- India
| | - Vaibhav Bedi
- Department of Chemistry
- Indian Institute of Science Education and Research Bhopal
- Bhopal – 462 066
- India
| | - Nitin T. Patil
- Department of Chemistry
- Indian Institute of Science Education and Research Bhopal
- Bhopal – 462 066
- India
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49
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Barbero M, Dughera S. Gold catalyzed Heck-coupling of arenediazonium o-benzenedisulfonimides. Org Biomol Chem 2018; 16:295-301. [DOI: 10.1039/c7ob02624b] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
An efficient gold catalyzed Heck coupling of arenediazonium o-benzenedisulfonimides is proposed. An o-benzenedisulfonimide anion enables a radical pathway that does not require the presence of photocatalysts or external oxidants.
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Affiliation(s)
| | - Stefano Dughera
- Dipartimento di Chimica
- Università di Torino
- 10125 Torino
- Italy
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50
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Cui HL, Deng HQ, Lei JJ. Metal-free one-pot synthesis of benzofurans with ynones and quinones through aza-Michael/Michael/annulation sequence. Tetrahedron 2017. [DOI: 10.1016/j.tet.2017.11.014] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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