1
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Dou PH, Fu XH, Chen Y, Ge ZZ, Zhou MQ, Wang ZH, You Y, Yang L, Zhang YP, Zhao JQ, Yuan WC. Palladium-Catalyzed Asymmetric Decarboxylation of 5-Vinyloxazolidine-2,4-Diones Triggering the Dearomatization of Electron-Deficient Indoles for the Synthesis of Chiral Highly Functionalized Pyrroloindolines. Org Lett 2024; 26:3310-3315. [PMID: 38587335 DOI: 10.1021/acs.orglett.4c01003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/09/2024]
Abstract
A catalyst system consisting of a chiral phosphoramidite ligand and Pd2(dba)3·CHCl3 causes the decarboxylation of 5-vinyloxazolidine-2,4-diones to generate amide-containing aza-π-allylpalladium 1,3-dipole intermediates, which are capable of triggering the dearomatization of 3-nitroindoles for diastereo- and enantioselective [3+2] cycloaddition, leading to the formation of a series of highly functionalized pyrroloindolines containing three contiguous stereogenic centers with excellent results (up to 99% yield, 88:12 dr, and 96% ee).
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Affiliation(s)
- Pei-Hao Dou
- Innovation Research Center of Chiral Drugs, Institute for Advanced Study, Chengdu University, Chengdu 610106, China
- National Engineering Research Center of Chiral Drugs, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Xiao-Hui Fu
- Innovation Research Center of Chiral Drugs, Institute for Advanced Study, Chengdu University, Chengdu 610106, China
- National Engineering Research Center of Chiral Drugs, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Yan Chen
- Innovation Research Center of Chiral Drugs, Institute for Advanced Study, Chengdu University, Chengdu 610106, China
- National Engineering Research Center of Chiral Drugs, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Zhen-Zhen Ge
- National Engineering Research Center of Chiral Drugs, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Ming-Qiang Zhou
- National Engineering Research Center of Chiral Drugs, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Zhen-Hua Wang
- Innovation Research Center of Chiral Drugs, Institute for Advanced Study, Chengdu University, Chengdu 610106, China
| | - Yong You
- Innovation Research Center of Chiral Drugs, Institute for Advanced Study, Chengdu University, Chengdu 610106, China
| | - Lei Yang
- Innovation Research Center of Chiral Drugs, Institute for Advanced Study, Chengdu University, Chengdu 610106, China
| | - Yan-Ping Zhang
- Innovation Research Center of Chiral Drugs, Institute for Advanced Study, Chengdu University, Chengdu 610106, China
| | - Jian-Qiang Zhao
- Innovation Research Center of Chiral Drugs, Institute for Advanced Study, Chengdu University, Chengdu 610106, China
| | - Wei-Cheng Yuan
- Innovation Research Center of Chiral Drugs, Institute for Advanced Study, Chengdu University, Chengdu 610106, China
- National Engineering Research Center of Chiral Drugs, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
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2
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Quezada V, Castroagudín M, Verdugo F, Ortiz S, Zaragoza G, Nachtigall FM, Reis FAA, Castro-Alvarez A, Santos LS, Nelson R. Nickel(II)-Catalyzed Formal [3+2] Cycloadditions between Indoles and Donor-Acceptor Cyclopropanes. Molecules 2024; 29:1604. [PMID: 38611883 PMCID: PMC11013886 DOI: 10.3390/molecules29071604] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2024] [Revised: 03/29/2024] [Accepted: 04/02/2024] [Indexed: 04/14/2024] Open
Abstract
This article describes the development of a nickel-catalyzed regio- and diastereoselective formal [3+2] cycloaddition between N-substituted indoles and donor-acceptor cyclopropanes to synthesize cyclopenta[b]indoles. Optimized reaction conditions provide the desired nitrogen-containing cycloadducts in up to 93% yield and dr 8.6:1 with complete regioselectivity. The substrate scope showed high tolerance to various substituted indoles and cyclopropanes, resulting in the synthesis of six new cyclopenta[b]indoles and the isolation of five derivatives previously reported in the literature. In addition, a mechanistic proposal for the reaction was studied through online reaction monitoring by ESI-MS, allowing for the identification of the reactive intermediates in the Ni(II) catalyzed process. X-ray crystallography confirmed the structure and relative endo stereochemistry of the products. This method enables the fast and efficient construction of fused indolines from readily accessible starting materials.
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Affiliation(s)
- Víctor Quezada
- Departamento de Química, Facultad de Ciencias, Universidad Católica del Norte, Avda. Angamos 0610, Antofagasta 1270709, Chile; (V.Q.); (M.C.)
| | - Mariña Castroagudín
- Departamento de Química, Facultad de Ciencias, Universidad Católica del Norte, Avda. Angamos 0610, Antofagasta 1270709, Chile; (V.Q.); (M.C.)
| | - Felipe Verdugo
- Departamento de Química Orgánica, Facultad de Ciencias Químicas, Universidad de Concepción, Edmundo Larenas 129, Concepción 4070371, Chile;
| | - Sergio Ortiz
- UMR 7200 Laboratoire d’Innovation Thérapeutique, CNRS, Strasbourg Drug Discovery and Development Institute (IMS), Université de Strasbourg, 67400 Illkirch-Graffenstaden, France;
| | - Guillermo Zaragoza
- Unidade de Difracción de Raios X, RIAIDT, Universidade de Santiago de Compostela, Campus VIDA, 15782 Santiago de Compostela, Spain;
| | - Fabiane M. Nachtigall
- Instituto de Ciencias Aplicadas, Universidad Autónoma de Chile, Talca 3467987, Chile;
| | - Francisco A. A. Reis
- Laboratory of Asymmetric Synthesis, Chemistry Institute of Natural Resources, Universidad de Talca, Talca 3460000, Chile;
| | - Alejandro Castro-Alvarez
- Departamento de Ciencias Preclínicas, Facultad de Medicina, Universidad de La Frontera, Temuco 4811230, Chile
| | - Leonardo S. Santos
- Laboratory of Asymmetric Synthesis, Chemistry Institute of Natural Resources, Universidad de Talca, Talca 3460000, Chile;
| | - Ronald Nelson
- Departamento de Química, Facultad de Ciencias, Universidad Católica del Norte, Avda. Angamos 0610, Antofagasta 1270709, Chile; (V.Q.); (M.C.)
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3
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Babu SA, E J, John J. Annulation reactions of electrophilic benzannulated heterocycles towards heteroacenes. Chem Commun (Camb) 2024; 60:1674-1689. [PMID: 38258327 DOI: 10.1039/d3cc05449g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2024]
Abstract
The current review describes different annulation strategies reported with electrophilic benzannulated heterocycles for accessing heteroacenes. For the past two decades, the chemistry of electrophilic benzannulated heterocycles was extensively investigated, and several dipolar cycloadditions, metal and organo-catalyzed transformations were introduced for the generation of fused heterocycles. In this review, we have collected all the reports where the annulation of electrophilic benzannulated heterocycles results in a fully aromatic system, viz. heteroacenes with tri-, tetra-, and pentacyclic rings. We reviewed every paper on the synthesis of fused heterocycles that was accessible and categorized the review into several parts based on the electrophilic benzannulated heterocycle used in the heteroacene synthesis such as electrophilic indole, electrophilic benzothiophene, and so forth. The generality and mechanistic postulates of each methodology are highlighted. In addition, we have also tried to feature the advantages or shortcomings of each method and have mentioned the possible applications of these methodologies for accessing heteroacenes for material applications.
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Affiliation(s)
- Sheba Ann Babu
- Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram-695019, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India.
| | - Jijy E
- Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram-695019, India
- Department of Chemistry, MES College, Nedumkandam, Idukki, Kerala-685553, India.
| | - Jubi John
- Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram-695019, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India.
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4
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Xu B, Wang Q, Fang C, Zhang ZM, Zhang J. Recent advances in Pd-catalyzed asymmetric cyclization reactions. Chem Soc Rev 2024; 53:883-971. [PMID: 38108127 DOI: 10.1039/d3cs00489a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2023]
Abstract
Over the past few decades, there have been major developments in transition metal-catalyzed asymmetric cyclization reactions, enabling the convenient access to a wide spectrum of structurally diverse chiral carbo- and hetero-cycles, common skeletons found in fine chemicals, natural products, pharmaceuticals, agrochemicals, and materials. In particular, a plethora of enantioselective cyclization reactions have been promoted by chiral palladium catalysts owing to their outstanding features. This review aims to collect the latest advancements in enantioselective palladium-catalyzed cyclization reactions over the past eleven years, and it is organized into thirteen sections depending on the different types of transformations involved.
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Affiliation(s)
- Bing Xu
- Department of Chemistry, Fudan University, 2005 Songhu Road, Shanghai, 200438, P. R. China.
- Zhuhai Fudan Innovation Institute, Zhuhai 519000, China
| | - Quanpu Wang
- Department of Chemistry, Fudan University, 2005 Songhu Road, Shanghai, 200438, P. R. China.
| | - Chao Fang
- Department of Chemistry, Fudan University, 2005 Songhu Road, Shanghai, 200438, P. R. China.
| | - Zhan-Ming Zhang
- Department of Chemistry, Fudan University, 2005 Songhu Road, Shanghai, 200438, P. R. China.
- Fudan Zhangjiang Institute, Shanghai 201203, China
| | - Junliang Zhang
- Department of Chemistry, Fudan University, 2005 Songhu Road, Shanghai, 200438, P. R. China.
- Fudan Zhangjiang Institute, Shanghai 201203, China
- School of Chemisty and Chemical Engineering, Henan Normal University, Xinxiang, Henan, 453007, China
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5
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Nanda SK. Asymmetric cascades of the π-allyl complex: a journey from transition-metal catalysis to metallaphotocatalysis. Chem Commun (Camb) 2023; 59:11298-11319. [PMID: 37670574 DOI: 10.1039/d3cc03010e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/07/2023]
Abstract
The enantioselective catalytic cascade involving Tsuji-Trost allylation has provided a viable strategy for the construction of multiple asymmetric C-C and C-X centres and numerous methods have been developed around it for the synthesis of various vital scaffolds. The synthetic utility of this strategy was enhanced by replacing the customary allyl acetates with ethylene diacetates/dicarbonates, vinyl epoxides, vinyl oxetanes, vinyl ethylene carbonates, vinyl cyclopropanes, enynes, and dienes using transition-metal catalysis. One more milestone was achieved when metallaphotocatalysis provided the necessary platform for these cascades by using a cheaper metal. This review will provide a summary of these enantioselective catalytic cascades from 2015.
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Affiliation(s)
- Santosh Kumar Nanda
- Department of Chemistry, School of Applied Science, Centurion University, Bhubaneswar, Odisha, 752050, India.
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6
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Zhang WY, Wang HC, Wang Y, Zheng C, You SL. Enantioselective Dearomatization of Indoles via SmI 2-Mediated Intermolecular Reductive Coupling with Ketones. J Am Chem Soc 2023; 145:10314-10321. [PMID: 37126434 DOI: 10.1021/jacs.3c01994] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
Abstract
Samarium diiodide (SmI2) mediated reductive coupling reactions are powerful methods for the construction of carbon-carbon bond in organic synthesis. Despite the extensive development in recent decades, successful examples of the corresponding asymmetric reactions remained scarce, probably due to the involvement of highly reactive radical intermediates. In this Article, we report an enantioselective dearomatization of indoles via SmI2-mediated intermolecular reductive coupling with ketones. The utilization of samarium reductant supported by chiral tridentate aminodiol ligands allows the facile synthesis of indoline molecules bearing two contiguous stereogenic centers in high yields (up to 99%) and stereoselectivity (up to 99:1 er and >20:1 dr). Combined experimental and computational investigations suggested that parallel single-electron transfer to each substrate from the chiral samarium reductant allows the radical-radical recombination in an enantioselective manner, which is a unique mechanistic scenario in SmI2-mediated reductive coupling reactions.
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Affiliation(s)
- Wen-Yun Zhang
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
| | - Hu-Chong Wang
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
| | - Ye Wang
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
| | - Chao Zheng
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
| | - Shu-Li You
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
- New Cornerstone Science Laboratory, Shanghai 200032, China
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7
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Starosotnikov AM, Bastrakov MA. Heterocycles
via
Dearomatization Reactions. HETEROCYCLES 2022. [DOI: 10.1002/9783527832002.ch2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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8
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Krishnan R A, Babu SA, Ravi NP, Thulasi S, John J. Base-Mediated Annulation of Electrophilic Benzothiophene with Naphthols and Phenols: Accessing Benzothiophene-Fused Heteroacenes. J Org Chem 2022; 87:8017-8027. [PMID: 35666573 DOI: 10.1021/acs.joc.2c00645] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A base-mediated annulation of 2-nitrobenzothiophenes with naphthols was realized for the synthesis of hitherto unknown class of heteroacenes, namely benzothieno[2,3-b]naphthofurans. By using naphthols with a hydroxyl group positioned at 1st or 2nd position, we could synthesize two positional isomers, benzothieno[2,3-b]naphtho[2,1-d]furans or benzothieno[2,3-b]naphtho[2,3-d]furans. The annulation was found to be general with a range of substituted 2-nitrobenzothiophenes and naphthols. This heteroannulation of benzothiophene was extended using a range of phenols affording the corresponding benzothieno[2,3-b]benzofurans in moderate yields. The basic photophysical properties of these heteroacenes were evaluated, and we also demonstrated the applicability of this annulation on the gram scale.
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Affiliation(s)
- Akhil Krishnan R
- Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram 695019, India
| | - Sheba Ann Babu
- Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram 695019, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Nitha P Ravi
- Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram 695019, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Sreeja Thulasi
- Department of Chemistry, T. K. Madhava Memorial College, Nangiarkulangara, Haripad 690513, India
| | - Jubi John
- Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram 695019, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
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9
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Tian HZ, Wu SF, Lin GQ, Sun XW. Asymmetric synthesis of pyrrolo[2,3–b]indole scaffolds by organocatalytic [3 + 2] dearomative annulation. Tetrahedron Lett 2022. [DOI: 10.1016/j.tetlet.2022.153969] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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10
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Dou PH, Yuan SP, Chen Y, Zhao JQ, Wang ZH, You Y, Zhang YP, Zhou MQ, Yuan WC. Dearomatization of 3-Nitroindoles Enabled Using Palladium-Catalyzed Decarboxylative [4 + 2] Cycloaddition of 2-Alkylidenetrimethylene Carbonates. J Org Chem 2022; 87:6025-6037. [PMID: 35436114 DOI: 10.1021/acs.joc.2c00276] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A dearomatization process of 3-nitroindoles enabled using palladium-catalyzed decarboxylative [4 + 2] cycloaddition of either 2-alkylidenetrimethylene carbonates or 2-(hydroxymethyl)-3-arylallyl carbonates has been developed, affording a wide range of indoline-fused tetrahydropyrans in good yields with excellent diastereoselectivities. This reaction features a wide substrate scope and mild conditions and represents the first example of the application of π-allyl palladium 1,4-[O,C]-dipole species for the dearomative cycloaddition of electron-deficient heteroarenes.
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Affiliation(s)
- Pei-Hao Dou
- National Engineering Research Center of Chiral Drugs, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, China.,Innovation Research Center of Chiral Drugs, Institute for Advanced Study, Chengdu University, Chengdu 610106, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Shu-Pei Yuan
- National Engineering Research Center of Chiral Drugs, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, China.,Innovation Research Center of Chiral Drugs, Institute for Advanced Study, Chengdu University, Chengdu 610106, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yan Chen
- National Engineering Research Center of Chiral Drugs, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, China.,Innovation Research Center of Chiral Drugs, Institute for Advanced Study, Chengdu University, Chengdu 610106, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jian-Qiang Zhao
- Innovation Research Center of Chiral Drugs, Institute for Advanced Study, Chengdu University, Chengdu 610106, China
| | - Zhen-Hua Wang
- Innovation Research Center of Chiral Drugs, Institute for Advanced Study, Chengdu University, Chengdu 610106, China
| | - Yong You
- Innovation Research Center of Chiral Drugs, Institute for Advanced Study, Chengdu University, Chengdu 610106, China
| | - Yan-Ping Zhang
- Innovation Research Center of Chiral Drugs, Institute for Advanced Study, Chengdu University, Chengdu 610106, China
| | - Ming-Qiang Zhou
- National Engineering Research Center of Chiral Drugs, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, China
| | - Wei-Cheng Yuan
- National Engineering Research Center of Chiral Drugs, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, China.,Innovation Research Center of Chiral Drugs, Institute for Advanced Study, Chengdu University, Chengdu 610106, China
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11
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Tian HZ, Wu SF, Zhuang GW, Lin GQ, Sun XW. Base-controlled dearomative [3 + 2] cycloadditions between 3-nitro-indoles and fumaric acid amide esters. Org Biomol Chem 2022; 20:3072-3075. [PMID: 35352074 DOI: 10.1039/d2ob00296e] [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
The base-controlled dearomative [3 + 2] cycloaddition reaction between 3-nitroindoles and fumaric acid amide esters has been disclosed by using the dearomatization and aromatization strategy. Three kinds of diverse functionalized pyrrolo[2,3-b]indole derivatives were obtained respectively with excellent chemoselectivities and good diastereoselectivities using different bases.
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Affiliation(s)
- Heng-Zhi Tian
- Department of Chemistry, Fudan University, Shanghai 200433, China.
| | - Sheng-Feng Wu
- Department of Chemistry, Fudan University, Shanghai 200433, China.
| | - Guo-Wei Zhuang
- Department of Chemistry, Fudan University, Shanghai 200433, China.
| | - Guo-Qiang Lin
- Department of Chemistry, Fudan University, Shanghai 200433, China. .,Key Laboratory of Synthetic Chemistry of Natural Substances, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
| | - Xing-Wen Sun
- Department of Chemistry, Fudan University, Shanghai 200433, China. .,Key Laboratory of Synthetic Chemistry of Natural Substances, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
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12
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Affiliation(s)
- Ning Wang
- Sichuan University West China Hospital Department of laboratory medicine CHINA
| | - Jing Ren
- Sichuan University West China Hospital Department of Radiology CHINA
| | - Kaizhi Li
- Sichuan University West China Hospital Department of laboratory medicine Biophamaceutical Research Institute, West China Hospital, Sichuan University, Ch 610041 Chengdu CHINA
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13
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Laviós A, Sanz-Marco A, Vila C, Muñoz MC, Pedro JR, Blay G. Metal-Free Diastereo- and Enantioselective Dearomative Formal [3 + 2] Cycloaddition of 2-Nitrobenzofurans and Isocyanoacetate Esters. Org Lett 2022; 24:2149-2154. [PMID: 35293212 PMCID: PMC8961877 DOI: 10.1021/acs.orglett.2c00427] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
![]()
The diastereo- and
enantioselective dearomative formal [3 + 2]
cycloaddition of 2-nitrobenzofurans and α-aryl-α-isocyanoacetate
esters provides tricyclic compounds bearing the 3a,8b-dihydro-1H-benzofuro[2,3-c]pyrrole framework with three consecutive stereogenic centers.
The reaction was enabled by a cupreine-ether organocatalyst. The reaction
products were obtained with almost full diastereoselectivity and with
excellent enantiomeric excesses for a number of substituted 2-nitrobenzofurans
and isocyanoacetates.
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Affiliation(s)
- Adrian Laviós
- Departament de Química Orgànica, Facultat de Química, Universitat de València, Dr. Moliner 50, 46100 Burjassot, València, Spain
| | - Amparo Sanz-Marco
- Departament de Química Orgànica, Facultat de Química, Universitat de València, Dr. Moliner 50, 46100 Burjassot, València, Spain
| | - Carlos Vila
- Departament de Química Orgànica, Facultat de Química, Universitat de València, Dr. Moliner 50, 46100 Burjassot, València, Spain
| | - M Carmen Muñoz
- Departament de Física Aplicada, Universitat Politècnica de València, Camí de Vera S/N, 46022 València, Spain
| | - José R Pedro
- Departament de Química Orgànica, Facultat de Química, Universitat de València, Dr. Moliner 50, 46100 Burjassot, València, Spain
| | - Gonzalo Blay
- Departament de Química Orgànica, Facultat de Química, Universitat de València, Dr. Moliner 50, 46100 Burjassot, València, Spain
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14
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Wang J, Li YF, Du J, Huang S, Ding CH, Wong HNC, Hou XL. Palladium-Catalyzed Asymmetric (3 + 2) Cycloaddition of Vinyl Epoxides with Substituted Propiolates. Enantioselective Formation of 2,3,4-Trisubstituted 2,3-Dihydrofurans. Org Lett 2022; 24:1561-1565. [DOI: 10.1021/acs.orglett.2c00253] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Juan Wang
- Henan Normal University, 46 East Jianshe Road, Xinxiang, Henan Province 453007 China
| | - Yun-Fan Li
- Department of Chemistry, Innovative Drug Research Center, Shanghai University, Shanghai 200444, China
| | - Juan Du
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, The Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
- University of The Chinese Academy of Sciences, 19A Yuquan Road, Beijing 100049, China
| | - Shuai Huang
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, The Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
- University of The Chinese Academy of Sciences, 19A Yuquan Road, Beijing 100049, China
- Shanghai-Hong Kong Joint Laboratory in Chemical Synthesis, Shanghai Institute of Organic Chemistry, The Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
| | - Chang-Hua Ding
- Department of Chemistry, Innovative Drug Research Center, Shanghai University, Shanghai 200444, China
| | - Henry N. C. Wong
- Shanghai-Hong Kong Joint Laboratory in Chemical Synthesis, Shanghai Institute of Organic Chemistry, The Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
- Department of Chemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong SAR 999077, China
- School of Science and Engineering, The Chinese University of Hong Kong (Shenzhen), Longgang
District, Shenzhen 518172, China
| | - Xue-Long Hou
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, The Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
- University of The Chinese Academy of Sciences, 19A Yuquan Road, Beijing 100049, China
- Shanghai-Hong Kong Joint Laboratory in Chemical Synthesis, Shanghai Institute of Organic Chemistry, The Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
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15
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Wang RN, Ma YH, Su QQ, Fan YX, Lv YZ, Zhang XZ, Wang YL, Huang HL, Du JY. Acid-promoted formal [3 + 2] cyclization/ N, O-ketalization of in situ generated ortho-alkynyl quinone methides: access to bridged 2,3-cyclopentanoindoline skeletons. Org Chem Front 2022. [DOI: 10.1039/d2qo00234e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An acid-catalyzed formal [3 + 2] cyclization/N,O-ketalization of in situ formed ortho-alkynyl quinone methides (o-AQMs) and tryptophol derivatives was developed.
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Affiliation(s)
- Ruo-Nan Wang
- College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, Shandong 252059, China
| | - Yan-Hua Ma
- College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, Shandong 252059, China
| | - Qing-Qiang Su
- College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, Shandong 252059, China
| | - Ya-Xin Fan
- College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, Shandong 252059, China
| | - Yong-Zheng Lv
- College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, Shandong 252059, China
| | - Xiang-Zhi Zhang
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen, Guangdong 529020, China
| | - Yan-Lan Wang
- College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, Shandong 252059, China
| | - Hong-Li Huang
- College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, Shandong 252059, China
| | - Ji-Yuan Du
- College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, Shandong 252059, China
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16
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Zhang J, Chen Y, Wang Q, Shen J, Liu Y, Deng W. Transition Metal-Catalyzed Asymmetric Cyclizations Involving Allyl or Propargyl Heteroatom-Dipole Precursors. CHINESE J ORG CHEM 2022. [DOI: 10.6023/cjoc202206028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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17
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Yang Z, Wei Y, Yang C, Li Y, Ding C, Xu B. Palladium‐Catalyzed [3+2] Cycloaddition of Activated Butadienylcyclopropanes. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202100683] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Zhi‐Xiong Yang
- Department of Chemistry Affiliated Nantong Hospital of Shanghai University (The Sixth People's Hospital of Nantong) Shanghai Engineering Research Center of Organ Repair Innovative Drug Research Center Qianweichang College School of Medicine Shanghai University Shanghai 200444 P. R. China
| | - Yu‐Qing Wei
- Department of Chemistry Affiliated Nantong Hospital of Shanghai University (The Sixth People's Hospital of Nantong) Shanghai Engineering Research Center of Organ Repair Innovative Drug Research Center Qianweichang College School of Medicine Shanghai University Shanghai 200444 P. R. China
| | - Cun Yang
- Department of Chemistry Affiliated Nantong Hospital of Shanghai University (The Sixth People's Hospital of Nantong) Shanghai Engineering Research Center of Organ Repair Innovative Drug Research Center Qianweichang College School of Medicine Shanghai University Shanghai 200444 P. R. China
| | - Yun‐Fan Li
- Department of Chemistry Affiliated Nantong Hospital of Shanghai University (The Sixth People's Hospital of Nantong) Shanghai Engineering Research Center of Organ Repair Innovative Drug Research Center Qianweichang College School of Medicine Shanghai University Shanghai 200444 P. R. China
| | - Chang‐Hua Ding
- Department of Chemistry Affiliated Nantong Hospital of Shanghai University (The Sixth People's Hospital of Nantong) Shanghai Engineering Research Center of Organ Repair Innovative Drug Research Center Qianweichang College School of Medicine Shanghai University Shanghai 200444 P. R. China
| | - Bin Xu
- Department of Chemistry Affiliated Nantong Hospital of Shanghai University (The Sixth People's Hospital of Nantong) Shanghai Engineering Research Center of Organ Repair Innovative Drug Research Center Qianweichang College School of Medicine Shanghai University Shanghai 200444 P. R. China
- State Key Laboratory of Organometallic Chemistry Shanghai Institute of Organic Chemistry Chinese Academy of Sciences Shanghai 200032 P. R. China
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18
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Li YY, Li S, Fan T, Zhang ZJ, Song J, Gong LZ. Enantioselective Formal [4 + 3] Annulations to Access Benzodiazepinones and Benzoxazepinones via NHC/Ir/Urea Catalysis. ACS Catal 2021. [DOI: 10.1021/acscatal.1c04541] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Yang-Yang Li
- Hefei National Laboratory for Physical Sciences at the Microscale and Department of Chemistry, University of Science and Technology of China, Hefei, 230026, China
| | - Shuai Li
- Hefei National Laboratory for Physical Sciences at the Microscale and Department of Chemistry, University of Science and Technology of China, Hefei, 230026, China
| | - Tao Fan
- Hefei National Laboratory for Physical Sciences at the Microscale and Department of Chemistry, University of Science and Technology of China, Hefei, 230026, China
| | - Zi-Jing Zhang
- Hefei National Laboratory for Physical Sciences at the Microscale and Department of Chemistry, University of Science and Technology of China, Hefei, 230026, China
| | - Jin Song
- Institutes of Physical Science and Information Technology, Anhui University, Hefei, 230601, China
| | - Liu-Zhu Gong
- Hefei National Laboratory for Physical Sciences at the Microscale and Department of Chemistry, University of Science and Technology of China, Hefei, 230026, China
- Center for Excellence in Molecular Synthesis of Chinese Academy of Sciences, Hefei, 230026, China
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19
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Xie JH, Zheng C, You SL. Palladium-Catalyzed Dearomative Methoxyallylation of 3-Nitroindoles with Allyl Carbonates. Angew Chem Int Ed Engl 2021; 60:22184-22188. [PMID: 34273125 DOI: 10.1002/anie.202107139] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Indexed: 01/18/2023]
Abstract
Herein we report a Pd-catalyzed dearomative methoxyallylation of 3-nitroindoles with readily available allyl carbonates. Good yields (up to 86 %) and diastereoselectivity (up to >20:1 dr) are obtained for a wide range of substrates. The compatibility of gram-scale synthesis and the relatively low catalyst loading (down to 1 mol % of [Pd]) enhance the practicality of this method. The kinetic experiments indicate that the rate-determining step of this reaction is the nucleophilic attack of the alkoxide anion.
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Affiliation(s)
- Jia-Hao Xie
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai, 200032, China
| | - Chao Zheng
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai, 200032, China
| | - Shu-Li You
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai, 200032, China
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20
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Palladium‐Catalyzed Dearomative Methoxyallylation of 3‐Nitroindoles with Allyl Carbonates. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202107139] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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21
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Wan Q, Xie JH, Zheng C, Yuan YF, You SL. Silver-Catalyzed Asymmetric Dearomatization of Electron-Deficient Heteroarenes via Interrupted Barton-Zard Reaction. Angew Chem Int Ed Engl 2021; 60:19730-19734. [PMID: 34196074 DOI: 10.1002/anie.202107767] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Indexed: 12/15/2022]
Abstract
Herein we report a catalytic asymmetric dearomatization reaction of electron-deficient heteroarenes with α-substituted isocyanoacetates through an interrupted Barton-Zard reaction. A range of optically active pyrrolo[3,4-b]indole derivatives was obtained in good yields (up to 97 %) with high stereoselectivities (up to >20:1 dr and 97 % ee), using a catalytic system consisting of a cinchona-derived amino-phosphine and silver oxide. This reaction features wide substrate scope and mild conditions, and provides a new strategy for developing asymmetric dearomatization reactions.
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Affiliation(s)
- Qian Wan
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai, 200032, China.,College of Chemistry, Fuzhou University, Fuzhou, 350108, China
| | - Jia-Hao Xie
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai, 200032, China
| | - Chao Zheng
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai, 200032, China
| | - Yao-Feng Yuan
- College of Chemistry, Fuzhou University, Fuzhou, 350108, China
| | - Shu-Li You
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai, 200032, China
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22
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Saktura M, Skrzyńska A, Frankowski S, Wódka S, Albrecht Ł. Asymmetric Dearomative (3+2)-Cycloaddition Involving Nitro-Substituted Benzoheteroarenes under H-Bonding Catalysis. Molecules 2021; 26:molecules26164992. [PMID: 34443580 PMCID: PMC8401887 DOI: 10.3390/molecules26164992] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2021] [Revised: 08/08/2021] [Accepted: 08/12/2021] [Indexed: 02/06/2023] Open
Abstract
In our studies, the organocatalytic 1,3-dipolar cycloaddition between 2-nitrobenzofurans or 2-nitrobenzothiophene and N-2,2,2-trifluoroethyl-substituted isatin imines has been developed. The reaction has been realized by employing bifunctional organocatalysis, with the use of squaramide derivative being crucial for the stereochemical efficiency of the process. The usefulness of the cycloadducts obtained has been confirmed in selected transformations, including aromative and non-aromative removal of the nitro group.
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Affiliation(s)
| | - Anna Skrzyńska
- Correspondence: (A.S.); (Ł.A.); Tel.: +48-42-631-31-42 (ext. 23) (A.S.); +48-42-631-31-57 (Ł.A.)
| | | | | | - Łukasz Albrecht
- Correspondence: (A.S.); (Ł.A.); Tel.: +48-42-631-31-42 (ext. 23) (A.S.); +48-42-631-31-57 (Ł.A.)
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23
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Hu F, Xia Y, Jia J. Transition-Metal-Catalyzed Nucleophilic Dearomatization of Electron-Deficient Heteroarenes. SYNTHESIS-STUTTGART 2021. [DOI: 10.1055/a-1577-7638] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
AbstractIn recent decades, transition-metal-catalyzed nucleophilic dearomatization of electron-deficient heteroarenes, such as pyridines, quinolines, isoquinolines and nitroindoles, has become a powerful method for accessing unsaturated heterocycles. This short review summarizes nucleophilic dearomatizations of electron-deficient heteroarenes with carbon- and heteroatom-based nucleophiles via transition-metal catalysis. A significant number of functionalized heterocycles are obtained via this transformation. Importantly, many of these reactions are carried out in an enantioselective manner by means of asymmetric catalysis, providing a unique method for the construction of enantioenriched heterocycles.1 Introduction2 Transition-Metal-Catalyzed Nucleophilic Dearomatization of Heteroarenes via Alkynylation3 Transition-Metal-Catalyzed Nucleophilic Dearomatization of Heteroarenes via Arylation4 Transition-Metal-Catalyzed Nucleophilic Dearomatization of Heteroarenes with Other Nucleophiles5 Transition-Metal-Catalyzed Nucleophilic Dearomatization with Nucleophiles Formed In Situ6 Conclusion and Outlook
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Affiliation(s)
- Fangdong Hu
- School of Chemistry and Chemical Engineering, Linyi University
| | - Ying Xia
- West China School of Public Health and West China Fourth Hospital, State Key Laboratory of Biotherapy, Sichuan University
| | - Jie Jia
- West China School of Public Health and West China Fourth Hospital, State Key Laboratory of Biotherapy, Sichuan University
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24
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Wan Q, Xie J, Zheng C, Yuan Y, You S. Silver‐Catalyzed Asymmetric Dearomatization of Electron‐Deficient Heteroarenes via Interrupted Barton–Zard Reaction. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202107767] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Qian Wan
- State Key Laboratory of Organometallic Chemistry Shanghai Institute of Organic Chemistry Chinese Academy of Sciences 345 Lingling Lu Shanghai 200032 China
- College of Chemistry Fuzhou University Fuzhou 350108 China
| | - Jia‐Hao Xie
- State Key Laboratory of Organometallic Chemistry Shanghai Institute of Organic Chemistry Chinese Academy of Sciences 345 Lingling Lu Shanghai 200032 China
| | - Chao Zheng
- State Key Laboratory of Organometallic Chemistry Shanghai Institute of Organic Chemistry Chinese Academy of Sciences 345 Lingling Lu Shanghai 200032 China
| | - Yao‐Feng Yuan
- College of Chemistry Fuzhou University Fuzhou 350108 China
| | - Shu‐Li You
- State Key Laboratory of Organometallic Chemistry Shanghai Institute of Organic Chemistry Chinese Academy of Sciences 345 Lingling Lu Shanghai 200032 China
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25
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Drew MA, Tague AJ, Richardson C, Pyne SG, Hyland CJT. Palladium-Catalyzed Formal (3 + 2) Cycloaddition Reactions of 2-Nitro-1,3-enynes with Vinylaziridines, -epoxides, and -cyclopropanes. Org Lett 2021; 23:4635-4639. [PMID: 34080422 DOI: 10.1021/acs.orglett.1c01364] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A two-step Pd-catalyzed (3 + 2) cycloaddition/HNO2 elimination reaction sequence has been developed to give novel cyclic 1,3-dien-5-yne systems from Pd-stabilized zwitterionic 1,3-dipoles and 2-nitro-1,3-enyne substrates. The process is highly atom-efficient and tolerates the reaction of 2-vinyloxirane, 1-tosyl-2-vinylaziridine, and diethyl 2-vinylcyclopropane-1,1-dicarboxylate derived 1,3-dipoles with a variety of 2-nitro-1,3-enyne substrates. The stereochemistry of the intermediate (3 + 2) cycloadducts was determined by single crystal X-ray analysis. Furthermore, a selective kinetic elimination of the cycloadduct with an antiperiplanar relationship between the NO2 group and the participating hydrogen was demonstrated, allowing for efficient isolation of a single diastereoisomer of the cycloadduct.
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Affiliation(s)
- Melanie A Drew
- School of Chemistry and Molecular Bioscience, Molecular Horizons Research Institute, University of Wollongong, Northfields Avenue, Wollongong 2522, Australia
| | - Andrew J Tague
- School of Chemistry and Molecular Bioscience, Molecular Horizons Research Institute, University of Wollongong, Northfields Avenue, Wollongong 2522, Australia
| | - Christopher Richardson
- School of Chemistry and Molecular Bioscience, Molecular Horizons Research Institute, University of Wollongong, Northfields Avenue, Wollongong 2522, Australia
| | - Stephen G Pyne
- School of Chemistry and Molecular Bioscience, Molecular Horizons Research Institute, University of Wollongong, Northfields Avenue, Wollongong 2522, Australia
| | - Christopher J T Hyland
- School of Chemistry and Molecular Bioscience, Molecular Horizons Research Institute, University of Wollongong, Northfields Avenue, Wollongong 2522, Australia
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26
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Rkein B, Bigot A, Birbaum L, Manneveau M, De Paolis M, Legros J, Chataigner I. Reactivity of 3-nitroindoles with electron-rich species. Chem Commun (Camb) 2021; 57:27-44. [PMID: 33300929 DOI: 10.1039/d0cc06658c] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
The indol(in)e building block is one of the "privileged-structures" for the pharmaceutical industry since this fragment plays a central role in drug discovery. While the electron-rich character of the indole motif has been investigated for decades, exploiting the electrophilic reactivity of 3-nitroindole derivatives has recently been put at the heart of a wide range of new, albeit challenging, chemical reactions. In particular, dearomatization processes have considerably enriched the scope of C2[double bond, length as m-dash]C3 functionalizations of these scaffolds. This feature article showcases this remarkable electrophilic reactivity of 3-nitroindoles with electron-rich species and highlights their value in generating diversely substituted indol(in)es. This compilation underlines how these heteroaromatic templates have gradually become model substrates for electron-poor aromatic compounds in dearomatization strategies.
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Affiliation(s)
- Batoul Rkein
- Normandie Université, INSA Rouen, UNIROUEN, CNRS, COBRA Laboratory, F-76000 Rouen, France.
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27
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Sarkar T, Talukdar K, Das BK, Shah TA, Debnath B, Punniyamurthy T. The transition-metal-catalyzed stereoselective ring-expansion of vinylaziridines and vinyloxiranes. Org Biomol Chem 2021; 19:3776-3790. [PMID: 33949586 DOI: 10.1039/d1ob00259g] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
The transition-metal-aided stereoselective construction of sp3-carbon-rich heterocyclic scaffolds using strained-ring systems has received considerable attention in recent years due to the prominent presence of these scaffolds in myriad natural products, bioactive molecules, and pharmaceutical components. In this area, the catalytic ring-enlargement of vinylaziridines and vinyloxiranes plays a predominant role when synthesizing high sp3-content biorelevant heterocyclic compounds. This article aims to portray recent advancements in the ring-expansion of vinylaziridines and vinyloxiranes for accessing densely functionalized stereoselective heterocycles that have been developed over the past five years, with an emphasis on the substrate scopes and mechanistic insights into the key methodologies, and it is arranged based on the transition metals used and the ring sizes of the heterocyclic scaffolds.
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Affiliation(s)
- Tanumay Sarkar
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, India.
| | - Kangkan Talukdar
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, India.
| | - Bijay Ketan Das
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, India.
| | - Tariq A Shah
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, India. and Government Srinagar Women's College, Zakura Srinagar 190006, India
| | - Bijoy Debnath
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, India.
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28
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Zheng C, You SL. Advances in Catalytic Asymmetric Dearomatization. ACS CENTRAL SCIENCE 2021; 7:432-444. [PMID: 33791426 PMCID: PMC8006174 DOI: 10.1021/acscentsci.0c01651] [Citation(s) in RCA: 160] [Impact Index Per Article: 53.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Indexed: 05/25/2023]
Abstract
Asymmetric catalysis has been recognized as the most enabling strategy for accessing chiral molecules in enantioenriched forms. Catalytic asymmetric dearomatization is an emerging and dynamic research subject in asymmetric catalysis, which has received considerable attention in recent years. The direct transformations from readily available aromatic feedstocks to structurally diverse three-dimensional polycyclic molecules make catalytic asymmetric dearomatization reactions of broad interest for both organic synthesis and medicinal chemistry. However, the inherent difficulty for the disruption of aromaticity demands a large energy input during the dearomatization process, which might be incompatible with the conditions generally required by asymmetric catalysis. In this Outlook, we will discuss representative strategies and examples of catalytic asymmetric dearomatization reactions of various aromatic compounds and try to convince readers that by overcoming the above obstacles, catalytic asymmetric dearomatization reactions could advance chemical sciences in many respects.
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Affiliation(s)
- Chao Zheng
- State Key Laboratory of Organometallic
Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, Chinese Academy
of Sciences, 345 Lingling Lu, Shanghai 200032, China
| | - Shu-Li You
- State Key Laboratory of Organometallic
Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, Chinese Academy
of Sciences, 345 Lingling Lu, Shanghai 200032, China
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29
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Babu SA, A R R, P R N, Omanakuttan VK, P R, Varughese S, John J. Unprecedented access to functionalized pyrrolo[2,1- a]isoquinolines from the domino reaction of isoquinolinium ylides and electrophilic benzannulated heterocycles. Org Biomol Chem 2021; 19:1807-1817. [PMID: 33565537 DOI: 10.1039/d1ob00005e] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We have come across an unexpected reaction between electrophilic indoles and isoquinolinium methylides for accessing functionalized pyrrolo[2,1-a]isoquinolines. The reaction was found in general to yield the products in good yields. We also observed the formation of S-S-bridged bis-pyrrolo[2,1-a]isoquinolines from the reaction of 3-nitro benzothiophene and isoquinolinium methylides.
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Affiliation(s)
- Sheba Ann Babu
- Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram 695019, India. and Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India
| | - Rajalekshmi A R
- Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram 695019, India.
| | - Nitha P R
- Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram 695019, India. and Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India
| | - Vishnu K Omanakuttan
- Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram 695019, India. and Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India
| | - Rahul P
- Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram 695019, India. and Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India
| | - Sunil Varughese
- Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram 695019, India. and Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India
| | - Jubi John
- Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram 695019, India. and Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India
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30
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Krishnan R A, Babu SA, P R N, Krishnan J, John J. Synthesis of Benzothienobenzofurans via Annulation of Electrophilic Benzothiophenes with Phenols. Org Lett 2021; 23:1814-1819. [PMID: 33591196 DOI: 10.1021/acs.orglett.1c00219] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
We have developed a metal-free, mild, and green synthetic route toward benzothieno[3,2-b]benzofurans by the annulation of 3-nitrobenzothiophene with phenols. The reaction was found to be general with a range of substituted phenols. In addition, we could extend the methodology for the synthesis of pentacenes and could demonstrate the synthesis in gram-scale. Moreover, we extended the strategy for the synthesis of benzothieno[2,3-b]benzofurans by starting from 2-nitrobenzothiophenes.
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Affiliation(s)
- Akhil Krishnan R
- Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram 695019, India
| | - Sheba Ann Babu
- Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram 695019, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Nitha P R
- Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram 695019, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Jagadeesh Krishnan
- Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram 695019, India
| | - Jubi John
- Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram 695019, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
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31
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Yang C, Yang ZX, Ding CH, Xu B, Hou XL. Development of Dipolarophiles for Catalytic Asymmetric Cycloadditions through Pd-π-Allyl Zwitterions. CHEM REC 2021; 21:1442-1454. [PMID: 33570239 DOI: 10.1002/tcr.202000177] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2020] [Revised: 01/22/2021] [Indexed: 02/03/2023]
Abstract
The development of new and efficient methodology for the construction of optically active molecules is of great interest in both synthetic organic and medicinal chemistry fields. To this end, the personal account summarizes our studies on the development of electron-deficient alkenes, allenes, and alkynes containing single activator as new dipolarophiles for Pd-catalyzed asymmetric cycloaddition reactions. These new dipolarophiles can participate in Pd-catalyzed asymmetric [3+2] and [4+2] cycloadditions through Pd-π-allyl 1,3- and 1,4-zwitterions in-situ generated by the reaction of Pd(0) catalyst with vinyl aziridines, vinyl epoxides, vinyl cyclopropanes, 4-vinyl-1,3-dioxan-2-ones, and vinyl benzoxazinanones. These [3+2] and [4+2] cycloadditions provide efficient approaches to a wide range of enantiomerically enriched five- and six-membered ring compounds containing contiguous chiral centers with high to excellent chemo-, diastereo-, and enantioselectivities. The utilities of these protocols are demonstrated by transformation of the cycloadducts into other useful chiral building blocks. DFT calculations reveal the dissimilar reactivity of different electron deficient alkenes and rationalize the mechanism and stereo-control of the reaction. A Pd-catalyzed inverse [3+2] cycloaddition is disclosed.
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Affiliation(s)
- Cun Yang
- Department of Chemistry, Innovative Drug Research Center, Shanghai University, Shanghai, 200444, P. R. of China
| | - Zhi-Xiong Yang
- Department of Chemistry, Innovative Drug Research Center, Shanghai University, Shanghai, 200444, P. R. of China
| | - Chang-Hua Ding
- Department of Chemistry, Innovative Drug Research Center, Shanghai University, Shanghai, 200444, P. R. of China
| | - Bin Xu
- Department of Chemistry, Innovative Drug Research Center, Shanghai University, Shanghai, 200444, P. R. of China
| | - Xue-Long Hou
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai-Hong Kong Joint Laboratory in Chemical Synthesis, Shanghai Institute of Organic Chemistry (SIOC), Chinese Academy of Sciences (CAS), 345 Lingling Road, Shanghai, 200032, P. R. of China
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32
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Xiao S, Chen B, Jiang Q, He L, Chu WD, He CY, Liu QZ. Palladium-catalyzed asymmetric [3 + 2] cycloaddition of vinyl aziridines and α,β-unsaturated imines generated in situ from aryl sulfonyl indoles. Org Chem Front 2021. [DOI: 10.1039/d1qo00408e] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
The first palladium-catalyzed asymmetric formal [3 + 2] cycloaddition of vinyl aziridines and in situ generated unsaturated imines has been established.
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Affiliation(s)
- Shan Xiao
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province
- College of Chemistry and Chemical Engineering
- China West Normal University
- Nanchong 637002
- China
| | - Bo Chen
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province
- College of Chemistry and Chemical Engineering
- China West Normal University
- Nanchong 637002
- China
| | - Qin Jiang
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province
- College of Chemistry and Chemical Engineering
- China West Normal University
- Nanchong 637002
- China
| | - Long He
- College of Chemistry and Materials Engineering
- Guiyang University
- Guiyang 550005
- China
| | - Wen-Dao Chu
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province
- College of Chemistry and Chemical Engineering
- China West Normal University
- Nanchong 637002
- China
| | - Cheng-Yu He
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province
- College of Chemistry and Chemical Engineering
- China West Normal University
- Nanchong 637002
- China
| | - Quan-Zhong Liu
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province
- College of Chemistry and Chemical Engineering
- China West Normal University
- Nanchong 637002
- China
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33
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de la Cruz-Sánchez P, Pàmies O. Metal-π-allyl mediated asymmetric cycloaddition reactions. ADVANCES IN CATALYSIS 2021. [DOI: 10.1016/bs.acat.2021.11.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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34
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Mei GJ, Koay WL, Tan CXA, Lu Y. Catalytic asymmetric preparation of pyrroloindolines: strategies and applications to total synthesis. Chem Soc Rev 2021; 50:5985-6012. [DOI: 10.1039/d0cs00530d] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Pyrroloindolines are widely present in natural products. In this review, we summarize state-of-the-art of catalytic asymmetric synthesis of pyrroloindolines, as well as related applications to natural products total synthesis.
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Affiliation(s)
- Guang-Jian Mei
- Green Catalysis Center, and College of Chemistry
- Zhengzhou University
- Zhengzhou 450001
- China
- Department of Chemistry
| | - Wai Lean Koay
- Department of Chemistry
- National University of Singapore
- Singapore
- Graduate School for Integrative Sciences & Engineering (NGS)
- National University of Singapore
| | - Chuan Xiang Alvin Tan
- Department of Chemistry
- National University of Singapore
- Singapore
- Graduate School for Integrative Sciences & Engineering (NGS)
- National University of Singapore
| | - Yixin Lu
- Department of Chemistry
- National University of Singapore
- Singapore
- Graduate School for Integrative Sciences & Engineering (NGS)
- National University of Singapore
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35
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Silica gel-promoted synthesis of multisubstituted spiroindolenines from tryptamines and γ-chloro-α,β-unsaturated ketones. Tetrahedron 2021. [DOI: 10.1016/j.tet.2020.131765] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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36
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Huang XL, Cheng YZ, Zhang X, You SL. Photoredox-Catalyzed Intermolecular Hydroalkylative Dearomatization of Electron-Deficient Indole Derivatives. Org Lett 2020; 22:9699-9705. [DOI: 10.1021/acs.orglett.0c03759] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Xu-Lun Huang
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
- School of Physical Science and Technology, ShanghaiTech University, 100 Haike Road, Shanghai 201210, China
| | - Yuan-Zheng Cheng
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
| | - Xiao Zhang
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
- Fujian Key Laboratory of Polymer Science, Fujian Provincial Key Laboratory of Advanced Materials Oriented Chemical Engineering, College of Chemistry and Materials Science, Fujian Normal University, 32 Shangsan Lu, Fuzhou 350007, China
| | - Shu-Li You
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
- School of Physical Science and Technology, ShanghaiTech University, 100 Haike Road, Shanghai 201210, China
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37
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Tejedor D, Diana-Rivero R, García-Tellado F. A General and Scalable Synthesis of Polysubstituted Indoles. Molecules 2020; 25:E5595. [PMID: 33260745 PMCID: PMC7730962 DOI: 10.3390/molecules25235595] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Revised: 11/26/2020] [Accepted: 11/26/2020] [Indexed: 11/30/2022] Open
Abstract
A consecutive 2-step synthesis of N-unprotected polysubstituted indoles bearing an electron-withdrawing group at the C-3 position from readily available nitroarenes is reported. The protocol is based on the [3,3]-sigmatropic rearrangement of N-oxyenamines generated by the DABCO-catalyzed reaction of N-arylhydroxylamines and conjugated terminal alkynes, and delivers indoles endowed with a wide array of substitution patterns and topologies.
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Affiliation(s)
- David Tejedor
- Instituto de Productos Naturales y Agrobiología, Consejo Superior de Investigaciones Científicas, Astrofísico Francisco Sánchez 3, 38206 La Laguna, Spain;
| | - Raquel Diana-Rivero
- Instituto de Productos Naturales y Agrobiología, Consejo Superior de Investigaciones Científicas, Astrofísico Francisco Sánchez 3, 38206 La Laguna, Spain;
- Doctoral and Postgraduate School, Universidad de La Laguna, Apartado Postal 456, 38200 La Laguna, Spain
| | - Fernando García-Tellado
- Instituto de Productos Naturales y Agrobiología, Consejo Superior de Investigaciones Científicas, Astrofísico Francisco Sánchez 3, 38206 La Laguna, Spain;
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38
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Wang H, Hu Q, Wang M, Guo C. Enantioselective [4+2] Annulation to the Concise Synthesis of Chiral Dihydrocarbazoles. iScience 2020; 23:100840. [PMID: 32004992 PMCID: PMC6995259 DOI: 10.1016/j.isci.2020.100840] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2019] [Revised: 12/31/2019] [Accepted: 01/09/2020] [Indexed: 12/01/2022] Open
Abstract
A highly efficient phosphine-catalyzed enantioselective [4 + 2] annulation of allenoates with 3-nitroindoles or 3-nitrobenzothiophenes has been developed. The protocol represents a unique dearomatization–aromatization process to access functionalized dihydrocarbazoles or dihydrodibenzothiophenes with high optical purity (up to 97% ee) under mild reaction conditions. The synthetic utility of the highly enantioselective [4 + 2] annulation enables a concise synthesis of analgesic agent. High regio-, chemo-, and enantioselectivity Broad substrate scope Dearomatization/aromatization steps proceed under mild conditions Concise synthesis of chiral analgesic agent
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Affiliation(s)
- Haiyang Wang
- Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei 230026, China
| | - Qingdong Hu
- Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei 230026, China
| | - Mingxu Wang
- Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei 230026, China
| | - Chang Guo
- Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei 230026, China.
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39
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Cerveri A, Bandini M. Recent Advances in the Catalytic Functionalization of “Electrophilic” Indoles. CHINESE J CHEM 2020. [DOI: 10.1002/cjoc.201900446] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Alessandro Cerveri
- Dipartimento di Chimica “Giacomo Ciamician” – Alma Mater Studiorum Università di Bologna Via Selmi 2 40126 Bologna Italy
| | - Marco Bandini
- Dipartimento di Chimica “Giacomo Ciamician” – Alma Mater Studiorum Università di Bologna Via Selmi 2 40126 Bologna Italy
- Consorzio C.I.N.M.P.I.S. Via Selmi 2 40126 Bologna Italy
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40
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Liu Y, Oble J, Pradal A, Poli G. Catalytic Domino Annulations through η
3
‐Allylpalladium Chemistry: A Never‐Ending Story. Eur J Inorg Chem 2020. [DOI: 10.1002/ejic.201901093] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Yang Liu
- Sorbonne Université Faculté des Sciences et Ingénierie CNRS Institut Parisien de Chimie Moléculaire, IPCM 4, place Jussieu 75005 Paris France
| | - Julie Oble
- Sorbonne Université Faculté des Sciences et Ingénierie CNRS Institut Parisien de Chimie Moléculaire, IPCM 4, place Jussieu 75005 Paris France
| | - Alexandre Pradal
- Sorbonne Université Faculté des Sciences et Ingénierie CNRS Institut Parisien de Chimie Moléculaire, IPCM 4, place Jussieu 75005 Paris France
| | - Giovanni Poli
- Sorbonne Université Faculté des Sciences et Ingénierie CNRS Institut Parisien de Chimie Moléculaire, IPCM 4, place Jussieu 75005 Paris France
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41
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Khan I, Shah BH, Zhao C, Xu F, Zhang YJ. Pd-Catalyzed Asymmetric Allylic Cycloaddition of N-Containing Allylic Carbonates with Isocyanates. Org Lett 2019; 21:9452-9456. [DOI: 10.1021/acs.orglett.9b03662] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Ijaz Khan
- School of Chemistry and Chemical Engineering, and Shanghai Key Laboratory of Electrical Insulation and Thermal Aging, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, P.R. China
| | - Babar Hussain Shah
- School of Chemistry and Chemical Engineering, and Shanghai Key Laboratory of Electrical Insulation and Thermal Aging, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, P.R. China
| | - Can Zhao
- School of Chemistry and Chemical Engineering, and Shanghai Key Laboratory of Electrical Insulation and Thermal Aging, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, P.R. China
| | - Feng Xu
- Shanghai Jiao Tong University Affiliated Sixth People’s Hospital South Campus, 6600 Nanfeng Highway, Shanghai 201400, P.R. China
| | - Yong Jian Zhang
- School of Chemistry and Chemical Engineering, and Shanghai Key Laboratory of Electrical Insulation and Thermal Aging, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, P.R. China
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42
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Mei G, Tang X, Tasdan Y, Lu Y. Enantioselective Dearomatization of Indoles by an Azoalkene‐Enabled (3+2) Reaction: Access to Pyrroloindolines. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201911686] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Guang‐Jian Mei
- Department of ChemistryNational University of Singapore 3 Science Drive 3 117543 Singapore Singapore
| | - Xiwen Tang
- Department of ChemistryNational University of Singapore 3 Science Drive 3 117543 Singapore Singapore
| | - Yildiz Tasdan
- Department of ChemistryNational University of Singapore 3 Science Drive 3 117543 Singapore Singapore
| | - Yixin Lu
- Department of ChemistryNational University of Singapore 3 Science Drive 3 117543 Singapore Singapore
- Joint School of National University of Singapore and Tianjin University International Campus of Tianjin University, Binhai New City Fuzhou Fujian 359297 P. R. China
- National University of Singapore (Suzhou) Research Institute 377 Lin Quan Street, Suzhou Industrial Park Suzhou Jiangsu 215123 P. R. China
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43
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Mei GJ, Tang X, Tasdan Y, Lu Y. Enantioselective Dearomatization of Indoles by an Azoalkene-Enabled (3+2) Reaction: Access to Pyrroloindolines. Angew Chem Int Ed Engl 2019; 59:648-652. [PMID: 31592562 DOI: 10.1002/anie.201911686] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Revised: 10/01/2019] [Indexed: 01/14/2023]
Abstract
The enantioselective dearomatization of indoles by an organocatalytic (3+2) reaction has been established. The reaction makes use of simple indole derivatives as substrates, and employs azoalkenes reaction partners. A wide range of pyrroloindolines containing an all-carbon quaternary stereogenic center were readily prepared in high yields and with excellent enantioselectivities.
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Affiliation(s)
- Guang-Jian Mei
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, 117543, Singapore, Singapore
| | - Xiwen Tang
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, 117543, Singapore, Singapore
| | - Yildiz Tasdan
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, 117543, Singapore, Singapore
| | - Yixin Lu
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, 117543, Singapore, Singapore.,Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University, Binhai New City, Fuzhou, Fujian, 359297, P. R. China.,National University of Singapore (Suzhou) Research Institute, 377 Lin Quan Street, Suzhou Industrial Park, Suzhou, Jiangsu, 215123, P. R. China
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44
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Birbaum L, Gillard L, Gérard H, Oulyadi H, Vincent G, Moreau X, De Paolis M, Chataigner I. Dearomatization of 3‐Nitroindoles with Highly γ‐Functionalized Allenoates in Formal (3+2) Cycloadditions. Chemistry 2019; 25:13688-13693. [DOI: 10.1002/chem.201903455] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Revised: 09/03/2019] [Indexed: 12/15/2022]
Affiliation(s)
- Léo Birbaum
- UNIROUENINSA RouenCNRSCOBRANormandie Univ 76000 Rouen France
| | - Laurent Gillard
- UNIROUENINSA RouenCNRSCOBRANormandie Univ 76000 Rouen France
| | - Hélène Gérard
- CNRSLaboratoire de Chimie ThéoriqueLCT UMR7616Sorbonne Université 75005 Paris France
| | - Hassan Oulyadi
- UNIROUENINSA RouenCNRSCOBRANormandie Univ 76000 Rouen France
| | - Guillaume Vincent
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO)Univ. Paris-Sud, Université Paris-Saclay, CNRS UMR 8182 91405 Orsay cedex France
| | - Xavier Moreau
- Institut Lavoisier VersaillesUMR CNRS 8180Université de Versailles-St-Quentin-en-Yvelines, Université Paris Saclay 78035 Versailles cedex France
| | | | - Isabelle Chataigner
- UNIROUENINSA RouenCNRSCOBRANormandie Univ 76000 Rouen France
- CNRSLaboratoire de Chimie ThéoriqueLCT UMR7616Sorbonne Université 75005 Paris France
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45
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Ding WP, Zhang GP, Jiang YJ, Du J, Liu XY, Chen D, Ding CH, Deng QH, Hou XL. Electron-Deficient Alkynes as Dipolarophile in Pd-Catalyzed Enantioselective (3 + 2) Cycloaddition Reaction with Vinyl Cyclopropanes. Org Lett 2019; 21:6805-6810. [DOI: 10.1021/acs.orglett.9b02431] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Wen-Ping Ding
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry (SIOC), Chinese Academy of Sciences (CAS), 345 Lingling Road, Shanghai 200032, China
- The Education Ministry Key Lab of Resource Chemistry and Shanghai Key Laboratory of Rare Earth Functional Materials, Shanghai Normal University, Shanghai 200234, China
| | - Gao-Peng Zhang
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry (SIOC), Chinese Academy of Sciences (CAS), 345 Lingling Road, Shanghai 200032, China
| | - Yang-Jie Jiang
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry (SIOC), Chinese Academy of Sciences (CAS), 345 Lingling Road, Shanghai 200032, China
| | - Juan Du
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry (SIOC), Chinese Academy of Sciences (CAS), 345 Lingling Road, Shanghai 200032, China
| | - Xiu-Yan Liu
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry (SIOC), Chinese Academy of Sciences (CAS), 345 Lingling Road, Shanghai 200032, China
| | - Di Chen
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry (SIOC), Chinese Academy of Sciences (CAS), 345 Lingling Road, Shanghai 200032, China
| | - Chang-Hua Ding
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry (SIOC), Chinese Academy of Sciences (CAS), 345 Lingling Road, Shanghai 200032, China
- Department of Chemistry, Innovative Drug Research Center, Shanghai University, Shanghai 200444, China
| | - Qing-Hai Deng
- The Education Ministry Key Lab of Resource Chemistry and Shanghai Key Laboratory of Rare Earth Functional Materials, Shanghai Normal University, Shanghai 200234, China
| | - Xue-Long Hou
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry (SIOC), Chinese Academy of Sciences (CAS), 345 Lingling Road, Shanghai 200032, China
- Shanghai-Hong Kong Joint Laboratory in Chemical Synthesis, SIOC, CAS, 345 Lingling Road, Shanghai 200032, China
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46
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Suo JJ, Du J, Jiang YJ, Chen D, Ding CH, Hou XL. Diastereo- and enantioselective palladium-catalyzed dearomative [4 + 2] cycloaddition of 3-nitroindoles. CHINESE CHEM LETT 2019. [DOI: 10.1016/j.cclet.2019.04.028] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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47
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Liu K, Wang G, Cheng SJ, Jiang WF, He C, Ye ZS. Phosphine-catalyzed dearomative [3+2] annulation of 3-nitroindoles and allenoates. Tetrahedron Lett 2019. [DOI: 10.1016/j.tetlet.2019.06.016] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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48
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Chen XM, Lei CW, Yue DF, Zhao JQ, Wang ZH, Zhang XM, Xu XY, Yuan WC. Organocatalytic Asymmetric Dearomatization of 3-Nitroindoles and 3-Nitrobenzothiophenes via Thiol-Triggered Diastereo- and Enantioselective Double Michael Addition Reaction. Org Lett 2019; 21:5452-5456. [DOI: 10.1021/acs.orglett.9b01688] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Xin-Meng Chen
- National Engineering Research Center of Chiral Drugs, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Chuan-Wen Lei
- National Engineering Research Center of Chiral Drugs, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Deng-Feng Yue
- National Engineering Research Center of Chiral Drugs, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jian-Qiang Zhao
- Institute for Advanced Study, Chengdu University, Chengdu 610106, China
| | - Zhen-Hua Wang
- Institute for Advanced Study, Chengdu University, Chengdu 610106, China
| | - Xiao-Mei Zhang
- National Engineering Research Center of Chiral Drugs, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, China
| | - Xiao-Ying Xu
- National Engineering Research Center of Chiral Drugs, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, China
| | - Wei-Cheng Yuan
- National Engineering Research Center of Chiral Drugs, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, China
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49
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Cerveri A, Faza ON, López CS, Grilli S, Monari M, Bandini M. Phosphine-Catalyzed Stereoselective Dearomatization of 3-NO2-Indoles with Allenoates. J Org Chem 2019; 84:6347-6355. [DOI: 10.1021/acs.joc.9b00559] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Alessandro Cerveri
- Dipartimento di Chimica “G. Ciamician”, Alma Mater Studiorum−Università di Bologna, via Selmi 2, 40126 Bologna, Italy
| | - Olalla Nieto Faza
- Departmento de Química Organica, Univesidad de Vigo, 36310 Vigo, Spain
| | | | - Stefano Grilli
- Dipartimento di Chimica “G. Ciamician”, Alma Mater Studiorum−Università di Bologna, via Selmi 2, 40126 Bologna, Italy
| | - Magda Monari
- Dipartimento di Chimica “G. Ciamician”, Alma Mater Studiorum−Università di Bologna, via Selmi 2, 40126 Bologna, Italy
| | - Marco Bandini
- Dipartimento di Chimica “G. Ciamician”, Alma Mater Studiorum−Università di Bologna, via Selmi 2, 40126 Bologna, Italy
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50
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Li K, Gonçalves TP, Huang K, Lu Y. Dearomatization of 3‐Nitroindoles by a Phosphine‐Catalyzed Enantioselective [3+2] Annulation Reaction. Angew Chem Int Ed Engl 2019; 58:5427-5431. [DOI: 10.1002/anie.201900248] [Citation(s) in RCA: 91] [Impact Index Per Article: 18.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2019] [Indexed: 02/06/2023]
Affiliation(s)
- Kaizhi Li
- Department of ChemistryNational University of Singapore 3 Science Drive 3 117543 Singapore Singapore
| | - Théo P. Gonçalves
- KAUST Catalysis Center and Division of Physical Sciences and EngineeringKing Abdullah University of Science and Technology Thuwal 23955-6900 Saudi Arabia
| | - Kuo‐Wei Huang
- KAUST Catalysis Center and Division of Physical Sciences and EngineeringKing Abdullah University of Science and Technology Thuwal 23955-6900 Saudi Arabia
| | - Yixin Lu
- Department of ChemistryNational University of Singapore 3 Science Drive 3 117543 Singapore Singapore
- National University of Singapore (Suzhou) Research Institute 377 Lin Quan Street, Suzhou Industrial Park Suzhou Jiangsu 215123 P. R. China
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