1
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Zhao M, Xu W, Wu YD, Yang X, Wang J, Zhou JS. Cobalt-Catalyzed Enantioselective Reductive Arylation, Heteroarylation, and Alkenylation of Michael Acceptors via an Elementary Mechanism of 1,4-Addition. J Am Chem Soc 2024. [PMID: 38982945 DOI: 10.1021/jacs.4c06735] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/11/2024]
Abstract
Cobalt complexes with chiral quinox ligands effectively promote the enantioselective conjugate addition of enones using aryl, heteroaryl, and alkenyl halides and sulfonates. Additionally, a cobalt complex with a strongly donating diphosphine, BenzP*, successfully catalyzes the asymmetric reductive arylation and alkenylation of α,β-unsaturated amides. Both catalytic systems show broad scopes and tolerance of sensitive functional groups. Both reactions can be scaled up with low loadings of cobalt catalysts. Experimental results and density functional theory (DFT) calculations suggest a new mechanism of elementary 1,4-addition of aryl cobalt(I) complexes.
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Affiliation(s)
- Mengxin Zhao
- State Key Laboratory of Chemical Oncogenomics, Shenzhen Key Laboratory of Chemical Genomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, 2199 Lishui Road, Nanshan District, Shenzhen 518055, China
| | - Wenqiang Xu
- Lab of Computational Chemistry and Drug Design, State Key Laboratory of Chemical Oncogenomics, Peking University Shenzhen Graduate School, Shenzhen 518055, China
| | - Yun-Dong Wu
- Lab of Computational Chemistry and Drug Design, State Key Laboratory of Chemical Oncogenomics, Peking University Shenzhen Graduate School, Shenzhen 518055, China
- Shenzhen Bay Laboratory, Gaoke Innovation Center, Guangqiao Road, Guangming District, Shenzhen 518107, China
| | - Xiuying Yang
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen 518055, China
| | - Jianchun Wang
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen 518055, China
| | - Jianrong Steve Zhou
- State Key Laboratory of Chemical Oncogenomics, Shenzhen Key Laboratory of Chemical Genomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, 2199 Lishui Road, Nanshan District, Shenzhen 518055, China
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2
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Chang S, Guo C, Zhong RM, Lai YL, Guo H, Huang L. Synthesis of Tetrasubstituted Alkenes by Rhodium-Catalyzed Regioselective Cyano Transfer. Org Lett 2024; 26:3733-3738. [PMID: 38666737 DOI: 10.1021/acs.orglett.4c00747] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/12/2024]
Abstract
We describe herein a novel, general, and robust approach to structurally diversified alkenyl nitriles through a Rh-catalyzed cyano transfer reaction between alkynyl-malononitrile derivatives and aryl/alkenyl boronic acids. This reaction exhibits high chemo- and regioselectivity and a broad substrate scope. The tetrasubstituted alkenyl dinitriles (34 examples, average 58% yield) are obtained through substrate tuning and ligand control.
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Affiliation(s)
- Shunqin Chang
- Guangdong Provincial Key Laboratory of Utilization and Conservation of Food and Medicinal Resources in Northern Region, Shaoguan University, 512005, Guangdong Province P. R. China
- State Key Laboratory of Pulp and Paper Engineering, Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510641, China
| | - Chenxia Guo
- State Key Laboratory of Pulp and Paper Engineering, Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510641, China
| | - Rui-Min Zhong
- Guangdong Provincial Key Laboratory of Utilization and Conservation of Food and Medicinal Resources in Northern Region, Shaoguan University, 512005, Guangdong Province P. R. China
| | - Yin-Long Lai
- Guangdong Provincial Key Laboratory of Utilization and Conservation of Food and Medicinal Resources in Northern Region, Shaoguan University, 512005, Guangdong Province P. R. China
| | - Huishi Guo
- Guangdong Provincial Key Laboratory of Utilization and Conservation of Food and Medicinal Resources in Northern Region, Shaoguan University, 512005, Guangdong Province P. R. China
| | - Liangbin Huang
- State Key Laboratory of Pulp and Paper Engineering, Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510641, China
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3
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Yin L, Li J, Wu C, Zhang H, Zhao W, Fan Z, Liu M, Zhang S, Guo M, Dou X, Guo D. Asymmetric synthesis of P-stereogenic phosphindane oxides via kinetic resolution and their biological activity. Nat Commun 2024; 15:2548. [PMID: 38514631 PMCID: PMC10957969 DOI: 10.1038/s41467-024-46892-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Accepted: 03/14/2024] [Indexed: 03/23/2024] Open
Abstract
The importance of P-stereogenic heterocycles has been widely recognized with their extensive use as privileged chiral ligands and bioactive compounds. The catalytic asymmetric synthesis of P-stereogenic phosphindane derivatives, however, remains a challenging task. Herein, we report a catalytic kinetic resolution of phosphindole oxides via rhodium-catalyzed diastereo- and enantioselective conjugate addition to access enantiopure P-stereogenic phosphindane and phosphindole derivatives. This kinetic resolution method features high efficiency (s factor up to >1057), excellent stereoselectivities (all >20:1 dr, up to >99% ee), and a broad substrate scope. The obtained chiral phosphindane oxides exhibit promising therapeutic efficacy in autosomal dominant polycystic kidney disease (ADPKD), and compound 3az is found to significantly inhibit renal cyst growth both in vitro and in vivo, thus ushering in a promising scaffold for ADPKD drug discovery. This study will not only advance efforts towards the asymmetric synthesis of challenging P-stereogenic heterocycles, but also surely inspire further development of P-stereogenic entities for bioactive small-molecule discovery.
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Affiliation(s)
- Long Yin
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, Xuzhou, China
| | - Jiajia Li
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, Xuzhou, China
| | - Changhui Wu
- Department of Chemistry, School of Science, China Pharmaceutical University, Nanjing, China
| | - Haoran Zhang
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, Xuzhou, China
| | - Wenchao Zhao
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, Xuzhou, China
| | - Zhiyuan Fan
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, Xuzhou, China
| | - Mengxuan Liu
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, Xuzhou, China
| | - Siqi Zhang
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, Xuzhou, China
| | - Mengzhe Guo
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, Xuzhou, China.
| | - Xiaowei Dou
- Department of Chemistry, School of Science, China Pharmaceutical University, Nanjing, China.
| | - Dong Guo
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, Xuzhou, China.
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4
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Liu W, Xing Y, Yan D, Kong W, Shen K. Nickel-catalyzed electrophiles-controlled enantioselective reductive arylative cyclization and enantiospecific reductive alkylative cyclization of 1,6-enynes. Nat Commun 2024; 15:1787. [PMID: 38413585 PMCID: PMC10899222 DOI: 10.1038/s41467-024-45617-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Accepted: 01/30/2024] [Indexed: 02/29/2024] Open
Abstract
Transition metal-catalyzed asymmetric cyclization of 1,6-enynes is a powerful tool for the construction of chiral nitrogen-containing heterocycles. Despite notable achievements, these transformations have been largely limited to the use of aryl or alkenyl metal reagents, and stereoselective or stereospecific alkylative cyclization of 1,6-enynes remains unexploited. Herein, we report Ni-catalyzed enantioselective reductive anti-arylative cyclization of 1,6-enynes with aryl iodides, providing enantioenriched six-membered carbo- and heterocycles in good yields with excellent enantioselectivities. Additionally, we have realized Ni-catalyzed enantiospecific reductive cis-alkylative cyclization of 1,6-enynes with alkyl bromides, furnishing chiral five-membered heterocycles with high regioselectivity and stereochemical fidelity. Mechanistic studies reveal that the arylative cyclization of 1,6-enynes is initiated by the oxidative addition of Ni(0) to aryl halides and the alkylative cyclization is triggered by the oxidative addition of Ni(0) to allylic acetates. The utility of this strategy is further demonstrated in the enantioselective synthesis of the antiepileptic drug Brivaracetam.
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Affiliation(s)
- Wenfeng Liu
- The Institute for Advanced Studies (IAS), Wuhan University, Wuhan, 430072, China
| | - Yunxin Xing
- Department of Radiology, Zhongnan Hospital of Wuhan University, School of Pharmaceutical Sciences, Wuhan University, Wuhan, 430071, China
| | - Denghong Yan
- Department of Radiology, Zhongnan Hospital of Wuhan University, School of Pharmaceutical Sciences, Wuhan University, Wuhan, 430071, China
| | - Wangqing Kong
- The Institute for Advanced Studies (IAS), Wuhan University, Wuhan, 430072, China.
| | - Kun Shen
- Department of Radiology, Zhongnan Hospital of Wuhan University, School of Pharmaceutical Sciences, Wuhan University, Wuhan, 430071, China.
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5
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Li WC, Meng H, Ming J, Chen S. Rhodium-Catalyzed Asymmetric Addition to 4- or 5-Carbonyl-cycloenones through Dynamic Kinetic Resolution: Enantioselective Synthesis of (-)-Cannabidiol. Org Lett 2024; 26:1364-1369. [PMID: 38358273 DOI: 10.1021/acs.orglett.3c04281] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2024]
Abstract
The reaction of 4/5-carbonyl-cycloalkenone 1 or its achiral isomer 1' with organoboronic acid 2 in the presence of a chiral diene (S,S)-Fc-tfb-rhodium catalyst gave disubstituted trans-cycloalkanone 3 with high diastereo- and enantioselectivity. This highly efficient dynamic kinetic resolution is achieved by fast racemization of 1 through the formation of a dienolate followed by kinetic resolution with the chiral catalyst. The utility is demonstrated by the synthesis of key intermediates en route to (-)-cannabidiol.
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Affiliation(s)
- Wen-Cong Li
- Inner Mongolia Key Laboratory of Fine Organic Synthesis, Inner Mongolia University, 235 West University Street, Hohhot 010021, China
| | - He Meng
- Inner Mongolia Key Laboratory of Fine Organic Synthesis, Inner Mongolia University, 235 West University Street, Hohhot 010021, China
| | - Jialin Ming
- Inner Mongolia Key Laboratory of Fine Organic Synthesis, Inner Mongolia University, 235 West University Street, Hohhot 010021, China
| | - Shufeng Chen
- Inner Mongolia Key Laboratory of Fine Organic Synthesis, Inner Mongolia University, 235 West University Street, Hohhot 010021, China
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6
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Kanwal A, Afzal U, Zubair M, Imran M, Rasool N. Synthesis of anti-depressant molecules via metal-catalyzed reactions: a review. RSC Adv 2024; 14:6948-6971. [PMID: 38410364 PMCID: PMC10895647 DOI: 10.1039/d3ra06391g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Accepted: 02/07/2024] [Indexed: 02/28/2024] Open
Abstract
Depression is one of the most mutilating conditions in the world today. It has been difficult to make advancements toward better, more effective therapies since the introduction of antidepressant medicines in the late 1950s. One important field of medicinal chemistry is the synthesis of antidepressant molecules through metal-catalyzed procedures. The important role that different transition metals, including iron, nickel, ruthenium, and others, serve as catalysts in the synthesis of antidepressants is examined in this review. Key structural motifs included in antidepressant drugs such as tricyclic antidepressants (TCAs), selective serotonin reuptake inhibitors (SSRIs), and others can be synthesized in a variety of effective ways using metal-catalyzed steps. This review examines current developments in the catalytic synthesis of antidepressants and their potential application over the previous thirteen years.
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Affiliation(s)
- Aqsa Kanwal
- Department of Chemistry, Government College University Faisalabad 38000 Pakistan +92-3085448384
| | - Uzma Afzal
- Department of Chemistry, Government College University Faisalabad 38000 Pakistan +92-3085448384
| | - Muhammad Zubair
- Department of Chemistry, Government College University Faisalabad 38000 Pakistan +92-3085448384
| | - Muhammad Imran
- Chemistry Department, Faculty of Science, King Khalid University P.O. Box 9004 Abha 61413 Saudi Arabia
| | - Nasir Rasool
- Department of Chemistry, Government College University Faisalabad 38000 Pakistan +92-3085448384
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7
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Yan D, Wen S, Xing Y, Bu J, Shen K. Nickel-Catalyzed Reductive anti-Arylative Cyclization of Alkynyl Enones with Aryl Halides. J Org Chem 2024; 89:2223-2231. [PMID: 38326966 DOI: 10.1021/acs.joc.3c02120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2024]
Abstract
A nickel-catalyzed reductive anti-arylative cyclization of alkynyl enones with aryl halides has been developed. The reaction avoids the use of stoichiometric organometallic reagents and has a broad reaction scope and high functional group tolerance. This method offers an efficient way to access a variety of synthetically useful carbocycles that are widely found in many natural products and biologically active molecules.
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Affiliation(s)
- Denghong Yan
- School of Pharmaceutical Sciences, Wuhan University, Wuhan 430071, China
| | - Shun Wen
- School of Pharmaceutical Sciences, Wuhan University, Wuhan 430071, China
| | - Yunxin Xing
- School of Pharmaceutical Sciences, Wuhan University, Wuhan 430071, China
| | - Jie Bu
- School of Pharmaceutical Sciences, Wuhan University, Wuhan 430071, China
| | - Kun Shen
- School of Pharmaceutical Sciences, Wuhan University, Wuhan 430071, China
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8
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Halford-McGuff JM, Varga M, Cordes DB, McKay AP, Watson AJB. Modular Synthesis of Complex Benzoxaboraheterocycles through Chelation-Assisted Rh-Catalyzed [2 + 2 + 2] Cycloaddition. ACS Catal 2024; 14:1846-1854. [PMID: 38327642 PMCID: PMC10845118 DOI: 10.1021/acscatal.3c05766] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 01/04/2024] [Accepted: 01/05/2024] [Indexed: 02/09/2024]
Abstract
Benzoxaboraheterocycles (BOBs) are moieties of increasing interest in the pharmaceutical industry; however, the synthesis of these compounds is often difficult or impractical due to the sensitivity of the boron moiety, the requirement for metalation-borylation protocols, and lengthy syntheses. We report a straightforward, modular approach that enables access to complex examples of the BOB framework through a Rh-catalyzed [2 + 2 + 2] cycloaddition using MIDA-protected alkyne boronic acids. The key to the development of this methodology was overcoming the steric barrier to catalysis by leveraging chelation assistance. We show the utility of the method through synthesis of a broad range of BOB scaffolds, mechanistic information on the chelation effect, intramolecular alcohol-assisted BMIDA hydrolysis, and linear/cyclic BOB limits as well as comparative binding affinities of the product BOB frameworks for ribose-derived biomolecules.
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Affiliation(s)
- John M. Halford-McGuff
- EaStCHEM, School of Chemistry, University of St Andrews, North Haugh, St Andrews KY16 9ST, U.K.
| | - Marek Varga
- EaStCHEM, School of Chemistry, University of St Andrews, North Haugh, St Andrews KY16 9ST, U.K.
| | - David B. Cordes
- EaStCHEM, School of Chemistry, University of St Andrews, North Haugh, St Andrews KY16 9ST, U.K.
| | - Aidan P. McKay
- EaStCHEM, School of Chemistry, University of St Andrews, North Haugh, St Andrews KY16 9ST, U.K.
| | - Allan J. B. Watson
- EaStCHEM, School of Chemistry, University of St Andrews, North Haugh, St Andrews KY16 9ST, U.K.
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9
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Zhang ZK, Xu WY, Gong TJ, Fu Y. Modular Synthesis of Fluoro-Substituted Furan Compounds via Controllable Fluorination of Biomass-Based 5-HMF and Its Derivatives. CHEMSUSCHEM 2024; 17:e202301072. [PMID: 37607884 DOI: 10.1002/cssc.202301072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2023] [Revised: 08/15/2023] [Accepted: 08/22/2023] [Indexed: 08/24/2023]
Abstract
5-Hydroxymethylfurfural (5-HMF) is regarded as one of the most promising platform feedstocks for producing valuable chemicals, fuels, and materials. In this study, we present a controllable fluorination technique for biomass-based 5-HMF and its oxygenated derivatives. This technique allows us to synthesize mono-fluoromethyl, difluoromethyl, and acylfluoro-substituted furan compounds by adjusting experimental conditions such as different fluorine sources and mole ratio. To gain a deeper understanding the reactivity order, we conducted intermolecular and intramolecular competition experiments. The results revealed that the hydroxyl group exhibited the highest reactivity, followed by the aldehyde group. This finding provides important theoretical support and opens up the possibility of selective fluorination. The reaction offers several advantages, including mild conditions, no need for inert gas protection, and easy operation. Furthermore, the fluoro-substituted furan compounds can be further transformed for the preparation of drug analogs, offering a new route for the high-value utilization of biomass molecules.
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Affiliation(s)
- Ze-Kuan Zhang
- Key Laboratory of Precision and Intelligent Chemistry, iChEM, CAS Key Laboratory of Urban Pollutant Conversion, Anhui Province Key Laboratory of Biomass Clean Energy, University of Science and Technology of China, 230026, Hefei, China
| | - Wen-Yan Xu
- Key Laboratory of Precision and Intelligent Chemistry, iChEM, CAS Key Laboratory of Urban Pollutant Conversion, Anhui Province Key Laboratory of Biomass Clean Energy, University of Science and Technology of China, 230026, Hefei, China
| | - Tian-Jun Gong
- Key Laboratory of Precision and Intelligent Chemistry, iChEM, CAS Key Laboratory of Urban Pollutant Conversion, Anhui Province Key Laboratory of Biomass Clean Energy, University of Science and Technology of China, 230026, Hefei, China
| | - Yao Fu
- Key Laboratory of Precision and Intelligent Chemistry, iChEM, CAS Key Laboratory of Urban Pollutant Conversion, Anhui Province Key Laboratory of Biomass Clean Energy, University of Science and Technology of China, 230026, Hefei, China
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10
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Thomson C, Boss K, Calhoun A, Fridrich C, Gardinier KM, Hall EC, Jendza K, Kirman L, Labbé-Giguere N, Laumen K, Qian M, Sanyal S, Shultz MD, Snajdrova R, Tan K, Wang KY, Yang F, Gao F, Hong T, Dale E, Kuzmiski B, Ortuno D, Palacios DS. Transaminases Provide Key Chiral Building Blocks for the Synthesis of Selective M1/M4 Agonists. ACS Med Chem Lett 2023; 14:1692-1699. [PMID: 38116445 PMCID: PMC10726473 DOI: 10.1021/acsmedchemlett.3c00331] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Revised: 10/25/2023] [Accepted: 10/27/2023] [Indexed: 12/21/2023] Open
Abstract
We have developed a chiral route toward the synthesis of muscarinic M4 agonists that was enabled by the biocatalytic synthesis of the key spirocyclic diamine building blocks 10 and 12. Using these bifunctional compounds we were able to optimize a synthetic sequence toward a collection of advanced intermediates for further elaboration. These advanced intermediates were then used as starting points for early medicinal chemistry and the identification of selective M1/M4 agonists.
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Affiliation(s)
- Christopher
G. Thomson
- Global
Discovery Chemistry, Novartis Biomedical
Research, Cambridge, Massachusetts 02139, United States
| | - Kelly Boss
- Global
Discovery Chemistry, Novartis Biomedical
Research, Cambridge, Massachusetts 02139, United States
| | - Amy Calhoun
- Global
Discovery Chemistry, Novartis Biomedical
Research, Cambridge, Massachusetts 02139, United States
| | - Cary Fridrich
- Global
Discovery Chemistry, Novartis Biomedical
Research, Cambridge, Massachusetts 02139, United States
| | - Kevin M. Gardinier
- Global
Discovery Chemistry, Novartis Biomedical
Research, Cambridge, Massachusetts 02139, United States
| | - Edward C. Hall
- Global
Discovery Chemistry, Novartis Biomedical
Research, Cambridge, Massachusetts 02139, United States
| | - Keith Jendza
- Global
Discovery Chemistry, Novartis Biomedical
Research, Cambridge, Massachusetts 02139, United States
| | - Louise Kirman
- Global
Discovery Chemistry, Novartis Biomedical
Research, Cambridge, Massachusetts 02139, United States
| | - Nancy Labbé-Giguere
- Global
Discovery Chemistry, Novartis Biomedical
Research, Cambridge, Massachusetts 02139, United States
| | - Kurt Laumen
- Global
Discovery Chemistry, Novartis Biomedical
Research, Basel CH-4002, Switzerland
| | - Ming Qian
- Global
Discovery Chemistry, Novartis Biomedical
Research, Cambridge, Massachusetts 02139, United States
| | - Sanjit Sanyal
- Global
Discovery Chemistry, Novartis Biomedical
Research, Cambridge, Massachusetts 02139, United States
| | - Michael D. Shultz
- Global
Discovery Chemistry, Novartis Biomedical
Research, Cambridge, Massachusetts 02139, United States
| | - Radka Snajdrova
- Global
Discovery Chemistry, Novartis Biomedical
Research, Basel CH-4002, Switzerland
| | - Kian Tan
- Global
Discovery Chemistry, Novartis Biomedical
Research, Cambridge, Massachusetts 02139, United States
| | - Kate Yaping Wang
- Global
Discovery Chemistry, Novartis Biomedical
Research, Cambridge, Massachusetts 02139, United States
| | - Fan Yang
- Global
Discovery Chemistry, Novartis Biomedical
Research, Cambridge, Massachusetts 02139, United States
| | - Feng Gao
- Chemical
& Analytical Development, Suzhou, Novartis
Technical Development, Co., Ltd., Changshu, Jiangsu 215537, P. R. China
| | - Tao Hong
- Chemical
& Analytical Development, Suzhou, Novartis
Technical Development, Co., Ltd., Changshu, Jiangsu 215537, P. R. China
| | - Elena Dale
- Neuroscience
Disease Area, Novartis Biomedical Research, Cambridge, Massachusetts 02139, United States
| | - Brent Kuzmiski
- Neuroscience
Disease Area, Novartis Biomedical Research, Cambridge, Massachusetts 02139, United States
| | - Danny Ortuno
- Neuroscience
Disease Area, Novartis Biomedical Research, Cambridge, Massachusetts 02139, United States
| | - Daniel S. Palacios
- Global
Discovery Chemistry, Novartis Biomedical
Research, San Diego, California 92121, United States
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11
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Turman NC, Smith KL, Crawford ET, Robins JG, Weber KM, Liu S, Johnson JS. Rhodium-Catalyzed Asymmetric Arylation-Induced Glycolate Aldol Additions of Silyl Glyoxylates. Angew Chem Int Ed Engl 2023; 62:e202311554. [PMID: 37642944 PMCID: PMC10593381 DOI: 10.1002/anie.202311554] [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: 08/08/2023] [Revised: 08/24/2023] [Accepted: 08/28/2023] [Indexed: 08/31/2023]
Abstract
(Diene)Rh(I) complexes catalyze the stereoselective three-component coupling of silyl glyoxylates, arylboronic acids, and aldehydes to give glycolate aldol products. The participation of Rh-alkoxides in the requisite Brook rearrangement was established through two component Rh-catalyzed couplings of silyl glyoxylates with ArB(OH)2 to give silyl-protected mandelate derivatives. The intermediacy of a chiral Rh-enolate was inferred through enantioselective protonation using a chiral Rh-catalyst. Diastereoselective three-component couplings with aldehydes as terminating electrophiles to give racemic products were best achieved with a bulky aryl ester on the silyl glyoxylate reagent. Optimal enantioselective couplings were carried out with the tert-butyl ester variant using an anisole-derived enantiopure tricyclo[3.2.2.02,4 ]nonadiene ligand.
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Affiliation(s)
- Nolan C. Turman
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599-3290 (USA)
| | - Kendrick L. Smith
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599-3290 (USA)
| | - Evan T. Crawford
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599-3290 (USA)
| | - Jacob G. Robins
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599-3290 (USA)
| | - Kathryn M. Weber
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599-3290 (USA)
| | - Shubin Liu
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599-3290 (USA)
| | - Jeffrey S. Johnson
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599-3290 (USA)
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12
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Wu C, Chang Z, Peng C, Bai C, Xing J, Dou X. Catalytic asymmetric indolization by a desymmetrizing [3 + 2] annulation strategy. Chem Sci 2023; 14:7980-7987. [PMID: 37502333 PMCID: PMC10370590 DOI: 10.1039/d3sc02474a] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Accepted: 06/28/2023] [Indexed: 07/29/2023] Open
Abstract
A new catalytic asymmetric indolization reaction by a desymmetrizing [3 + 2] annulation strategy is developed. The reaction proceeds via a rhodium-catalyzed enantioposition-selective addition/5-exo-trig cyclization/dehydration cascade between ortho-amino arylboronic acids and 2,2-disubstituted cyclopentene-1,3-diones to produce N-unprotected cyclopenta[b]indoles bearing an all-carbon quaternary stereocenter in high yields with good enantioselectivities. A quantitative structure-selectivity relationship (QSSR) model was established to identify the optimal chiral ligand, which effectively controlled the formation of the stereocenter away from the reaction site. Density functional theory (DFT) calculations, non-covalent interaction analysis, and Eyring analysis were performed to understand the key reaction step and the function of the ligand.
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Affiliation(s)
- Changhui Wu
- Department of Chemistry, School of Science, China Pharmaceutical University Nanjing 211198 P. R. China
| | - Zhiqian Chang
- Department of Chemistry, School of Science, China Pharmaceutical University Nanjing 211198 P. R. China
| | - Chuanyong Peng
- Department of Chemistry, School of Science, China Pharmaceutical University Nanjing 211198 P. R. China
| | - Chen Bai
- Department of Chemistry, School of Science, China Pharmaceutical University Nanjing 211198 P. R. China
| | - Junhao Xing
- Department of Chemistry, School of Science, China Pharmaceutical University Nanjing 211198 P. R. China
| | - Xiaowei Dou
- Department of Chemistry, School of Science, China Pharmaceutical University Nanjing 211198 P. R. China
- State Key Laboratory of Coordination Chemistry, Nanjing University Nanjing 210023 P. R. China
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13
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Yin L, Zhu W, Xu Y, Xing J, Dou X. Rh-catalyzed ring-opening coupling of cyclic vinyl ethers with organometallic reagents. Org Biomol Chem 2023; 21:4429-4433. [PMID: 37191166 DOI: 10.1039/d3ob00579h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
Abstract
The rhodium-catalyzed ring-opening coupling of cyclic vinyl ethers, including 2,3-dihydrofuran and benzofuran, with organometallic reagents to give homoallylic alcohols and stilbenoids was reported. The suitable organometallic reagent for 2,3-dihydrofuran and benzofuran was found to be substrate-dependent, and a plausible mechanism involving different active organorhodium intermediates was proposed for these coupling reactions.
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Affiliation(s)
- Long Yin
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, Xuzhou 221004, China
- Department of Chemistry, School of Science, China Pharmaceutical University, Nanjing 211198, China.
| | - Wanjiang Zhu
- Department of Chemistry, School of Science, China Pharmaceutical University, Nanjing 211198, China.
| | - Yang Xu
- Department of Chemistry, School of Science, China Pharmaceutical University, Nanjing 211198, China.
| | - Junhao Xing
- Department of Chemistry, School of Science, China Pharmaceutical University, Nanjing 211198, China.
| | - Xiaowei Dou
- Department of Chemistry, School of Science, China Pharmaceutical University, Nanjing 211198, China.
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14
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Zhang L, Wang X, Pu M, Chen C, Yang P, Wu YD, Chi YR, Zhou JS. Nickel-Catalyzed Enantioselective Reductive Arylation and Heteroarylation of Aldimines via an Elementary 1,4-Addition. J Am Chem Soc 2023. [PMID: 37023358 DOI: 10.1021/jacs.3c00548] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/08/2023]
Abstract
Nickel catalysts of chiral pyrox ligands promoted enantioselective reductive arylation and heteroarylation of aldimines, using directly (hetero)aryl halides and sulfonates. The catalytic arylation can also be conducted with crude aldimines generated from condensation of aldehydes and azaaryl amines. Mechanistically, density functional theory (DFT) calculations and experiments pointed to an elementary step of 1,4-addition of aryl nickel(I) complexes to N-azaaryl aldimines.
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Affiliation(s)
- Luoqiang Zhang
- State Key Laboratory of Chemical Oncogenomics, Guangdong Provincial Key Laboratory of Chemical Genomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Room F312, 2199 Lishui Road, Nanshan District, Shenzhen 518055, China
- School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, 21 Nanyang Link, 637371 Singapore
| | - Xiuhua Wang
- State Key Laboratory of Chemical Oncogenomics, Guangdong Provincial Key Laboratory of Chemical Genomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Room F312, 2199 Lishui Road, Nanshan District, Shenzhen 518055, China
| | - Maoping Pu
- Shenzhen Bay Laboratory, Gaoke Innovation Center, Guangqiao Road, Guangming District, Shenzhen 518107, China
| | - Caiyou Chen
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, China
| | - Peng Yang
- College of Chemistry, Chemical Engineering and Materials Science, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Institutes of Biomedical Sciences, Shandong Normal University, Jinan 250014, China
| | - Yun-Dong Wu
- Shenzhen Bay Laboratory, Gaoke Innovation Center, Guangqiao Road, Guangming District, Shenzhen 518107, China
- Lab of Computational Chemistry and Drug Design, State Key Laboratory of Chemical Oncogenomics, Peking University Shenzhen Graduate School, Shenzhen 518055, China
| | - Yonggui Robin Chi
- School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, 21 Nanyang Link, 637371 Singapore
| | - Jianrong Steve Zhou
- State Key Laboratory of Chemical Oncogenomics, Guangdong Provincial Key Laboratory of Chemical Genomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Room F312, 2199 Lishui Road, Nanshan District, Shenzhen 518055, China
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15
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Sun Y, Pan J, Wang X, Bu X, Ma M, Xue F. Rhodium-Catalyzed Asymmetric Annulation of Unactivated Alkynes with 3-( ortho-Boronated Aryl) Conjugated Enones: Enantioselective Synthesis of 2,3-Disubstituted Indenes. J Org Chem 2023; 88:6140-6145. [PMID: 37019474 DOI: 10.1021/acs.joc.2c02957] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/07/2023]
Abstract
A rhodium-catalyzed tandem arylation/cyclization reaction of 3-(ortho-boronated aryl) conjugated enones with unactivated alkynes is reported. By using a rhodium(I)/chiral-diene complex as the catalyst, the protocol was processed smoothly to provide various 2,3-disubstituted indene compounds in high yields with excellent regioselectivities and enantioselectivities. The approach outlined herein is appealing, as simple diarylalkynes, diakylalkynes, and alkyl(aryl)alkynes are the starting materials.
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Affiliation(s)
- Yu Sun
- Institute of Material Physics & Chemistry, College of Science, Nanjing Forestry University, Nanjing 210037, P. R. China
| | - Jiayu Pan
- Institute of Material Physics & Chemistry, College of Science, Nanjing Forestry University, Nanjing 210037, P. R. China
| | - Xiuqi Wang
- Institute of Material Physics & Chemistry, College of Science, Nanjing Forestry University, Nanjing 210037, P. R. China
| | - Xiaoli Bu
- Co-Innovation Center for Sustainable Forestry in Southern China, Nanjing Forestry University, Nanjing 210037, P. R. China
| | - Mengtao Ma
- Institute of Material Physics & Chemistry, College of Science, Nanjing Forestry University, Nanjing 210037, P. R. China
| | - Fei Xue
- Institute of Material Physics & Chemistry, College of Science, Nanjing Forestry University, Nanjing 210037, P. R. China
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16
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Egea‐Arrebola D, Goetzke FW, Fletcher SP. Rhodium-Catalyzed Asymmetric Arylation of Cyclobutenone Ketals. Angew Chem Int Ed Engl 2023; 62:e202217381. [PMID: 36728888 PMCID: PMC10946970 DOI: 10.1002/anie.202217381] [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: 11/25/2022] [Revised: 01/31/2023] [Accepted: 02/02/2023] [Indexed: 02/03/2023]
Abstract
Complex cyclobutanes are important motifs in both bioactive molecules and natural products, yet their enantioselective preparation has not been widely explored. In this work, we describe rhodium-catalyzed enantioselective additions of aryl and vinyl boronic acids to cyclobutenone ketals. This transformation involves enantioselective carbometalation to give cyclobutyl-rhodium intermediates, followed by β-oxygen elimination to afford enantioenriched enol ethers. Overall, this addition serves as a surrogate for Rh-catalyzed 1,4-additions to cyclobutenone.
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Affiliation(s)
- David Egea‐Arrebola
- Department of ChemistryChemistry Research LaboratoryDepartment of ChemistryUniversity of Oxford12 Mansfield RoadOxfordOX1 3TAUK
| | - F. Wieland Goetzke
- Department of ChemistryChemistry Research LaboratoryDepartment of ChemistryUniversity of Oxford12 Mansfield RoadOxfordOX1 3TAUK
| | - Stephen P. Fletcher
- Department of ChemistryChemistry Research LaboratoryDepartment of ChemistryUniversity of Oxford12 Mansfield RoadOxfordOX1 3TAUK
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17
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Wang S, Zhou Y, Xiao W, Li Z, Liu X, Feng X. Asymmetric synthesis of complex tricyclo[3.2.2.0]nonenes from racemic norcaradienes: kinetic resolution via Diels-Alder reaction. Chem Sci 2023; 14:1844-1851. [PMID: 36819855 PMCID: PMC9930936 DOI: 10.1039/d2sc06490a] [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] [Received: 11/25/2022] [Accepted: 01/11/2023] [Indexed: 01/13/2023] Open
Abstract
Herein, the enantioselective synthesis of complex tricyclo[3.2.2.0]nonenes through the Diels-Alder reaction is reported. Utilizing racemic norcaradienes prepared from the visible-light-mediated dearomative cyclopropanation of m-xylene as dienes and enone derivatives as dienophiles, the overall process represents a kinetic asymmetric transformation in the presence of a chiral cobalt(ii) complex of chiral N,N'-dioxide. High diastereo- and enantioselectivity could be obtained in most cycloaddition processes and part racemization of norcaradiene is observed. The topographic steric maps of the catalysts were collected to rationalize the relationship between reactivity and enantioselectivity with the catalysts.
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Affiliation(s)
- Siyuan Wang
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University Chengdu 610064 China
| | - Yuqiao Zhou
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University Chengdu 610064 China
| | - Wanlong Xiao
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University Chengdu 610064 China
| | - Zegong Li
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University Chengdu 610064 China
| | - Xiaohua Liu
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University Chengdu 610064 China
| | - Xiaoming Feng
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University Chengdu 610064 China
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18
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Lu X, Zhu J, Huang Y. Rhodium-Catalyzed Highly Enantio- and Diastereoselective Alkenylation of β,γ-Unsaturated Butenolides via Dynamic Kinetic Resolution. Org Lett 2022; 24:8816-8820. [DOI: 10.1021/acs.orglett.2c03551] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
Affiliation(s)
- Xiaosa Lu
- College of Materials, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, China
| | - Jie Zhu
- College of Materials, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, China
| | - Yinhua Huang
- College of Materials, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University, Hangzhou 311121, China
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19
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Zhang L, Zhao M, Pu M, Ma Z, Zhou J, Chen C, Wu YD, Chi YR, Zhou JS. Nickel-Catalyzed Enantioselective Reductive Conjugate Arylation and Heteroarylation via an Elementary Mechanism of 1,4-Addition. J Am Chem Soc 2022; 144:20249-20257. [DOI: 10.1021/jacs.2c05678] [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]
Affiliation(s)
- Luoqiang Zhang
- State Key Laboratory of Chemical Oncogenomics, Guangdong Provincial Key Laboratory of Chemical Genomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Room F312, 2199 Lishui Road, Nanshan District, Shenzhen 518055, China
- School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, 21 Nanyang Link, 637371, Singapore
| | - Mengxin Zhao
- State Key Laboratory of Chemical Oncogenomics, Guangdong Provincial Key Laboratory of Chemical Genomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Room F312, 2199 Lishui Road, Nanshan District, Shenzhen 518055, China
| | - Maoping Pu
- Shenzhen Bay Laboratory, Gaoke Innovation Center, Guangqiao Road,
Guangming District, Shenzhen 518107, China
| | - Zhaoming Ma
- State Key Laboratory of Chemical Oncogenomics, Guangdong Provincial Key Laboratory of Chemical Genomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Room F312, 2199 Lishui Road, Nanshan District, Shenzhen 518055, China
| | - Jingsong Zhou
- School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, 21 Nanyang Link, 637371, Singapore
| | - Caiyou Chen
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, China
| | - Yun-Dong Wu
- Shenzhen Bay Laboratory, Gaoke Innovation Center, Guangqiao Road,
Guangming District, Shenzhen 518107, China
- Laboratory of Computational Chemistry and Drug Design, State Key Laboratory of Chemical Oncogenomics, Peking University Shenzhen Graduate School, Shenzhen Bay Laboratory, Shenzhen 518055, China
| | - Yonggui Robin Chi
- School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, 21 Nanyang Link, 637371, Singapore
| | - Jianrong Steve Zhou
- State Key Laboratory of Chemical Oncogenomics, Guangdong Provincial Key Laboratory of Chemical Genomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Room F312, 2199 Lishui Road, Nanshan District, Shenzhen 518055, China
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20
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Asymmetric Hydroarylation Reactions Catalyzed by Transition Metals: Last 10 Years in a Mini Review. Catalysts 2022. [DOI: 10.3390/catal12101289] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Hydroarylation reactions play a pivotal role in organic chemistry due to their versatility and efficiency. In the last 10 years, the scientific production around this reaction has been very high, but in its asymmetric version, the results are less. In this mini review, selected literature examples are considered to draw attention to directions of the asymmetric hydroarylation reaction mediated by transition metal catalysts. The selected works were grouped in two main sections. In the first, we reported examples relating the narrower definition of hydroarylation, namely the metal-catalyzed processes where inactivated aryl moiety undergoes a direct functionalization via insertion of an unsaturated compound. In the second part, hydroarylation reactions take place with the use of pre-activated aryl substrates, usually aryl-iodides or aryl-boronated.
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21
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Rhodium-catalyzed synthesis of 1-silabenzonorbornenes via 1,4-rhodium migration. Tetrahedron Lett 2022. [DOI: 10.1016/j.tetlet.2022.154031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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22
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Zhu H, Xing J, Wu C, Wang C, Yao W, Dou X. Rhodium-Catalyzed Chemodivergent Pyridylation of Alkynes with Pyridylboronic Acids. Org Lett 2022; 24:4896-4901. [PMID: 35770903 DOI: 10.1021/acs.orglett.2c01718] [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
The pyridylation of alkynes with pyridylboronic acids is realized under rhodium catalysis. Chemodivergent pyridylation products, including alkenylpyridines produced via the hydropyridylation pathway and cyclopenta[c]pyridines produced via the pyridylation/cyclization pathway, were selectively produced by fine-tuning the reaction conditions. A mechanistic study revealed that 1,4-rhodium migration to the pyridine ring was involved as the key step in the chemodivergent synthesis.
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Affiliation(s)
- Huilong Zhu
- Department of Chemistry, School of Science, China Pharmaceutical University, Nanjing, Jiangsu 211198, China
| | - Junhao Xing
- Department of Chemistry, School of Science, China Pharmaceutical University, Nanjing, Jiangsu 211198, China
| | - Changhui Wu
- Department of Chemistry, School of Science, China Pharmaceutical University, Nanjing, Jiangsu 211198, China
| | - Chenhong Wang
- Department of Chemistry, School of Science, China Pharmaceutical University, Nanjing, Jiangsu 211198, China
| | - Weijun Yao
- Department of Chemistry, Zhejiang Sci-Tech University, Hangzhou, Zhejiang 310018, China
| | - Xiaowei Dou
- Department of Chemistry, School of Science, China Pharmaceutical University, Nanjing, Jiangsu 211198, China
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23
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Kang S, Li J, Yang Q, Song Z, Peng Y. Rh(III)‐Catalyzed C‐H Activation of 2‐Aryl Quinazolinones and Coupling with 2‐Carboxyl Allylic Alcohols for the Synthesis of β‐Aryl Ketone Substituted Quinazolinones. European J Org Chem 2022. [DOI: 10.1002/ejoc.202200472] [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]
Affiliation(s)
- Shaodong Kang
- Jiangxi Normal University Yaohu Campus: Jiangxi Normal University chemistry CHINA
| | - Jiaxing Li
- Jiangxi Normal University Yaohu Campus: Jiangxi Normal University chemistry CHINA
| | - Qin Yang
- Jiangxi Normal University Yaohu Campus: Jiangxi Normal University Life college CHINA
| | - Zhibin Song
- Jiangxi Normal University Yaohu Campus: Jiangxi Normal University chemistry CHINA
| | - Yiyuan Peng
- jiangxi normal university chemistry 99 ziyang road 330022 NanChang CHINA
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24
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Li J, Sun J, Ren W, Lei J, Shen R, Huang Y. Rhodium/Chiral-Diene-Catalyzed Switchable Asymmetric Divergent Arylation of Enone-Diones. Org Lett 2022; 24:2420-2424. [DOI: 10.1021/acs.orglett.2c00687] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Junbao Li
- College of Materials, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University, Hangzhou 311121, China
| | - Jinghui Sun
- College of Materials, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University, Hangzhou 311121, China
| | - Wenzhu Ren
- College of Materials, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University, Hangzhou 311121, China
| | - Jinhua Lei
- College of Materials, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University, Hangzhou 311121, China
| | - Runpu Shen
- Zhejiang Engineering Research Center of Fat-soluble Vitamin, Shaoxing University, Shaoxing 312000, China
| | - Yinhua Huang
- College of Materials, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University, Hangzhou 311121, China
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25
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Crawford ET, Smith KL, Johnson JS. Dearomative Synthesis of Chiral Dienes Enables Improved Late-Stage Ligand Diversification. Org Lett 2022; 24:1791-1795. [PMID: 35238202 DOI: 10.1021/acs.orglett.2c00183] [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
An efficient synthesis of chiral nonracemic diene ligands is facilitated by an enantioselective dearomative intermolecular arene cyclopropanation of anisole. The functionality of the resulting cycloheptatriene engenders distinct chemical environments in a downstream tricyclic bis(enol) triflate that permits selective late-stage functionalization. The synthesis of diverse C1- and pseudo-C2-symmetric dienes is therefore viable by iterative palladium-catalyzed cross-coupling reactions. The ligands provide moderate to high selectivities in known Rh(I)-mediated asymmetric transformations.
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Affiliation(s)
- Evan T Crawford
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 25799-3290, United States
| | - Kendrick L Smith
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 25799-3290, United States
| | - Jeffrey S Johnson
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 25799-3290, United States
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26
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Nonami R, Morimoto Y, Kanemoto K, Yamamoto Y, Shirai T. Cationic Iridium‐Catalyzed Asymmetric Decarbonylative Aryl Addition of Aromatic Aldehydes to Bicyclic Alkenes. Chemistry 2022; 28:e202104347. [DOI: 10.1002/chem.202104347] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Indexed: 12/18/2022]
Affiliation(s)
- Reina Nonami
- Department of Social Design Engineering National Institute of Technology Kochi College 200-1 Monobe Otsu Nankoku Kochi 783-8508 Japan
| | - Yusei Morimoto
- Department of Social Design Engineering National Institute of Technology Kochi College 200-1 Monobe Otsu Nankoku Kochi 783-8508 Japan
| | - Kazuya Kanemoto
- Department of Applied Chemistry Institute of Science and Engineering Chuo University Kasuga 1-3-27, Bunkyo-ku Tokyo 112-8551 Japan
| | - Yasunori Yamamoto
- Division of Applied Chemistry Graduate School of Engineering Hokkaido University Sapporo Hokkaido 060-8628 Japan
| | - Tomohiko Shirai
- Department of Social Design Engineering National Institute of Technology Kochi College 200-1 Monobe Otsu Nankoku Kochi 783-8508 Japan
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27
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Zhu H, Zhou Q, Liu N, Xing J, Yao W, Dou X. Relay Rhodium(I)/Acid Catalysis for Rapid Access to Benzo‐2H‐pyrans and Benzofurans. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202200024] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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28
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Qiao Y, Bai S, Wu XF, Yang Y, Meng H, Ming J. Rhodium-Catalyzed Desymmetric Arylation of γ,γ-Disubsituted Cyclohexadienones: Asymmetric Synthesis of Chiral All-Carbon Quaternary Centers. Org Lett 2022; 24:1556-1560. [PMID: 35142218 DOI: 10.1021/acs.orglett.2c00225] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The desymmetric arylation of prochiral cyclohexadienones with ArZnCl in the presence of an (R)-segphos-rhodium catalyst gave high yields of the corresponding cyclohexenones, which contain a chiral arylated carbon center at the β-position and a chiral all-carbon quaternary center at the γ-position, with high diastereo- and enantioselectivities. This catalytic system was also applied to the arylation of spirocarbocyclic cyclohexadienones and afforded the corresponding cyclohexenones bearing a chiral spiro quaternary carbon with high dr and ee.
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Affiliation(s)
- Yu Qiao
- Inner Mongolia Key Laboratory of Fine Organic Synthesis, Inner Mongolia University, 235 West University Street, Hohhot 010021, China
| | - Shiming Bai
- Inner Mongolia Key Laboratory of Fine Organic Synthesis, Inner Mongolia University, 235 West University Street, Hohhot 010021, China
| | - Xiao-Feng Wu
- Inner Mongolia Key Laboratory of Fine Organic Synthesis, Inner Mongolia University, 235 West University Street, Hohhot 010021, China
| | - Ying Yang
- Inner Mongolia Key Laboratory of Fine Organic Synthesis, Inner Mongolia University, 235 West University Street, Hohhot 010021, China
| | - He Meng
- Inner Mongolia Key Laboratory of Fine Organic Synthesis, Inner Mongolia University, 235 West University Street, Hohhot 010021, China
| | - Jialin Ming
- Inner Mongolia Key Laboratory of Fine Organic Synthesis, Inner Mongolia University, 235 West University Street, Hohhot 010021, China
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29
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Wen M, Erb W, Mongin F, Blot M, Roisnel T. Enantiopure ferrocene-1,2-disulfoxides: synthesis and reactivity. Chem Commun (Camb) 2022; 58:2002-2005. [PMID: 35048926 DOI: 10.1039/d1cc07085a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The rational use of directed deprotometallation, sulfur oxidation and sulfoxide/lithium exchange allowed the synthesis of enantiopure ferrocene-1,2-disulfoxide derivatives. Not only do they represent the first members of this original family, but some of them have shown promise as ligands in rhodium-catalysed conjugate addition.
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Affiliation(s)
- Min Wen
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes) - UMR 6226, F-35000 Rennes, France.
| | - William Erb
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes) - UMR 6226, F-35000 Rennes, France.
| | - Florence Mongin
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes) - UMR 6226, F-35000 Rennes, France.
| | - Marielle Blot
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes) - UMR 6226, F-35000 Rennes, France.
| | - Thierry Roisnel
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes) - UMR 6226, F-35000 Rennes, France.
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30
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Ye B, Yao J, Wu C, Zhu H, Yao W, Jin L, Dou X. Rhodium-Catalyzed Asymmetric Conjugate Pyridylation with Pyridylboronic Acids. ACS Catal 2022. [DOI: 10.1021/acscatal.1c05732] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Bihai Ye
- Department of Chemistry, School of Science, China Pharmaceutical University, Nanjing 211198, China
| | - Jian Yao
- Department of Chemistry, School of Science, China Pharmaceutical University, Nanjing 211198, China
| | - Changhui Wu
- Department of Chemistry, School of Science, China Pharmaceutical University, Nanjing 211198, China
| | - Huilong Zhu
- Department of Chemistry, School of Science, China Pharmaceutical University, Nanjing 211198, China
| | - Weijun Yao
- Department of Chemistry, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Lili Jin
- Department of Chemistry, School of Science, China Pharmaceutical University, Nanjing 211198, China
| | - Xiaowei Dou
- Department of Chemistry, School of Science, China Pharmaceutical University, Nanjing 211198, China
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31
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Tomar R, Bhattacharya D, Arulananda Babu S. Direct lactamization of β‐arylated δ‐aminopentanoic acid carboxamides: En route to 4‐aryl‐ 2‐piperidones, piperidines, antituberculosis molecule Q203 (Telacebec) and its analogues. ASIAN J ORG CHEM 2022. [DOI: 10.1002/ajoc.202100736] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Radha Tomar
- Indian Institute of Science Education and Research Mohali Chemical Sciences INDIA
| | | | - Srinivasarao Arulananda Babu
- Indian Institute of Science Education and Research Mohali Department of Chemical Sciences Knowledge City, Sector 81, SAS Nagar,Mohali, Manauli P.O., 140306 Mohali INDIA
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32
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Wang C, Zhou L, Qiu J, Yang K, Song Q. Rh-Catalyzed diastereoselective addition of arylboronic acids to α-keto N-tert-butanesulfinyl aldimines: synthesis of α-amino ketones. Org Chem Front 2022. [DOI: 10.1039/d1qo01721g] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Herein we present a diastereoselective addition of arylboronic acids to α-keto N-tert-butanesulfinyl aldimines catalyzed by a Rh(i) catalyst.
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Affiliation(s)
- Cece Wang
- Key Laboratory of Molecule Synthesis and Function Discovery, Fujian Province University, College of Chemistry at Fuzhou University, Fuzhou, Fujian, 350108, China
| | - Lu Zhou
- Key Laboratory of Molecule Synthesis and Function Discovery, Fujian Province University, College of Chemistry at Fuzhou University, Fuzhou, Fujian, 350108, China
| | - Jian Qiu
- Key Laboratory of Molecule Synthesis and Function Discovery, Fujian Province University, College of Chemistry at Fuzhou University, Fuzhou, Fujian, 350108, China
| | - Kai Yang
- Key Laboratory of Molecule Synthesis and Function Discovery, Fujian Province University, College of Chemistry at Fuzhou University, Fuzhou, Fujian, 350108, China
| | - Qiuling Song
- Key Laboratory of Molecule Synthesis and Function Discovery, Fujian Province University, College of Chemistry at Fuzhou University, Fuzhou, Fujian, 350108, China
- Institute of Next Generation Matter Transformation, College of Materials Science Engineering at Huaqiao University, 668 Jimei Boulevard, Xiamen, Fujian, 361021, China
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33
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Wen W, Ai ZP, Yang CL, Li CX, Wu ZL, Cai T, Guo QX. Enantioselective synthesis of α-amino ketones through palladium-catalyzed asymmetric arylation of α-keto imines. Chem Sci 2022; 13:3796-3802. [PMID: 35432891 PMCID: PMC8966749 DOI: 10.1039/d2sc00386d] [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] [Received: 01/20/2022] [Accepted: 03/06/2022] [Indexed: 11/23/2022] Open
Abstract
Chiral α-amino ketones are common structural motifs in natural products and pharmaceuticals, as well as important synthons in organic synthesis. Thus, establishing efficient methods for preparing compounds with these privileged scaffolds is an important endeavor in synthetic chemistry. Herein we disclose a new catalytic asymmetric approach for the synthesis of chiral α-amino ketones through a chiral palladium-catalyzed arylation reaction of in situ generated challenging α-keto imines from previously unreported C-acyl N-sulfonyl-N,O-aminals, with arylboronic acids. The current reaction offers a straightforward approach to the asymmetric synthesis of acyclic α-amino ketones in a practical and highly stereocontrolled manner. Meanwhile, the multiple roles of the chiral Pd(ii) complex catalyst in the reaction were also reported. Chiral α-amino ketones are common structural motifs in natural products and pharmaceuticals, as well as important synthons in organic synthesis.![]()
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Affiliation(s)
- Wei Wen
- Chongqing Key Laboratory of Soft-Matter Material Chemistry and Function Manufacturing, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Zhao-Pin Ai
- Chongqing Key Laboratory of Soft-Matter Material Chemistry and Function Manufacturing, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Chang-Lin Yang
- Chongqing Key Laboratory of Soft-Matter Material Chemistry and Function Manufacturing, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Chao-Xing Li
- Chongqing Key Laboratory of Soft-Matter Material Chemistry and Function Manufacturing, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Zhu-Lian Wu
- Chongqing Key Laboratory of Soft-Matter Material Chemistry and Function Manufacturing, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Tian Cai
- Chongqing Key Laboratory of Soft-Matter Material Chemistry and Function Manufacturing, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Qi-Xiang Guo
- Chongqing Key Laboratory of Soft-Matter Material Chemistry and Function Manufacturing, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
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34
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Morimoto H. Development of Greener Catalytic Synthetic Methods of Nitrogen-Containing Compounds Using <i>N</i>-Unprotected Ketimines. J SYN ORG CHEM JPN 2022. [DOI: 10.5059/yukigoseikyokaishi.80.2] [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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35
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Affiliation(s)
- Xiangqing Feng
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Wei Meng
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Haifeng Du
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
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36
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Tao JJ, Tang JD, Hong T, Ye JW, Chen JY, Xie C, Zhang Z, Li S. Crown Ether-Derived Chiral BINOL: Enantioselective Michael Addition of Alkenyl Boronic Acids to α,β-Unsaturated Ketones. ACS OMEGA 2021; 6:35093-35103. [PMID: 34963990 PMCID: PMC8697596 DOI: 10.1021/acsomega.1c05875] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Accepted: 11/08/2021] [Indexed: 06/14/2023]
Abstract
A new class of aza-crown ether-derived chiral BINOL catalysts were designed, synthesized, and applied in the asymmetric Michael addition of alkenylboronic acids to α,β-unsaturated ketones. It was found that introducing aza-crown ethers to the BINOL catalyst could achieve apparently higher enantioselectivity than a similar BINOL catalyst without aza-crown ethers did, although the host-guest complexation of alkali ions by the aza-crown ethers could not further improve the catalysis effectiveness. Under mediation of the aza-crown ether-derived chiral BINOL and in the presence of a magnesium salt, an array of chiral γ,δ-unsaturated ketones were furnished in good enantioselectivities (81-95% ees).
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37
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Zhang Z, Tan P, Chang W, Zhang Z. Transition‐Metal‐Catalyzed Cross‐Coupling and Sequential Reactions of Azides with Isocyanides. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202101107] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Zhen Zhang
- College of Chemistry and Chemical Engineering Yantai University Yantai 264005 People's Republic of China
| | - Pengpeng Tan
- College of Chemistry and Chemical Engineering Yantai University Yantai 264005 People's Republic of China
| | - Wenxu Chang
- College of Science China Agricultural University Beijing 100193 People's Republic of China
| | - Zhenhua Zhang
- College of Science China Agricultural University Beijing 100193 People's Republic of China
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38
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Hu Y, Wang C, Zhu H, Xing J, Dou X. Rhodium‐Catalysed Asymmetric Arylation of Pyridylimines. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202101281] [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)
- Yan Hu
- Department of Chemistry, School of Science China Pharmaceutical University Nanjing 211198 People's Republic of China
| | - Chenhong Wang
- Department of Chemistry, School of Science China Pharmaceutical University Nanjing 211198 People's Republic of China
| | - Huilong Zhu
- Department of Chemistry, School of Science China Pharmaceutical University Nanjing 211198 People's Republic of China
| | - Junhao Xing
- Department of Chemistry, School of Science China Pharmaceutical University Nanjing 211198 People's Republic of China
| | - Xiaowei Dou
- Department of Chemistry, School of Science China Pharmaceutical University Nanjing 211198 People's Republic of China
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39
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Foster D, Borhanuddin SM, Dorta R. Designing successful monodentate N-heterocyclic carbene ligands for asymmetric metal catalysis. Dalton Trans 2021; 50:17467-17477. [PMID: 34787620 DOI: 10.1039/d1dt02951g] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Chiral ligands are of particular importance in asymmetric transition-metal catalysis. Although the development of effective chiral monodentate N-heterocyclic carbenes (NHCs) has been slow, a growing amount of papers have been published in recent years showing their unique efficiency as chiral ancillary ligands. Herein we provide an overview of NHC structures that accomplish high levels of enantioselectivity (≥90% ee) and give guidelines to their use and thoughts on the future of this field.
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Affiliation(s)
- Daven Foster
- Department of Chemistry, School of Molecular Sciences, University of Western Australia, 35 Stirling Highway, 6009 Crawley, Western Australia, Australia.
| | - S M Borhanuddin
- Department of Chemistry, School of Molecular Sciences, University of Western Australia, 35 Stirling Highway, 6009 Crawley, Western Australia, Australia.
| | - Reto Dorta
- Department of Chemistry, School of Molecular Sciences, University of Western Australia, 35 Stirling Highway, 6009 Crawley, Western Australia, Australia.
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40
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Tsuda S, Asahi K, Takahashi R, Yamauchi H, Ueda R, Iwasaki T, Fujiwara SI, Kambe N. Bio-inspired asymmetric aldehyde arylations catalyzed by rhodium-cyclodextrin self-inclusion complexes. Org Biomol Chem 2021; 20:801-807. [PMID: 34816860 DOI: 10.1039/d1ob02014e] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Transition-metal catalysts are powerful tools for carbon-carbon bond-forming reactions that are difficult to achieve using native enzymes. Enzymes that exhibit inherent selectivities and reactivities through host-guest interactions have inspired widespread interest in incorporating enzymatic behavior into transition-metal catalytic systems that highly efficiently produce enantiopure compounds. Nevertheless, bio-inspired transition-metal catalysts that are highly enantioselective and reactive have rarely been reported. In this study, we applied γ-cyclodextrin-imidazolium salts to the rhodium-catalyzed asymmetric arylations of aldehydes. The method exhibits wide substrate scope and the corresponding arylcarbinols are obtained in excellent yields under optimized conditions, with enantiomeric excesses of up to 96% observed. Kinetic and competition experiments revealed that self-inclusion of the Rh complex contributes to the high enantioselectivity and reactivity achieved by this catalytic system. Thus, this bio-inspired self-inclusion strategy is promising for the development of highly enantioselective and reactive transition-metal catalysts for asymmetric carbon-carbon bond formation.
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Affiliation(s)
- Susumu Tsuda
- Department of Chemistry, Osaka Dental University, Hirakata, Osaka 573-1121, Japan.
| | - Kaoru Asahi
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan.
| | - Ryota Takahashi
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan.
| | - Hiroki Yamauchi
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan.
| | - Ryoji Ueda
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan.
| | - Takanori Iwasaki
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan. .,Department of Chemistry and Biotechnology, Graduate School of Engineering, University of Tokyo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Shin-Ichi Fujiwara
- Department of Chemistry, Osaka Dental University, Hirakata, Osaka 573-1121, Japan.
| | - Nobuaki Kambe
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan.
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41
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Cheng YY, Li WS, Wu HL. Application of Rh(I)/Bicyclo[2.2.1]heptadiene Catalysts to the Enantioselective Synthesis of Chiral Amines. CHEM REC 2021; 21:3954-3963. [PMID: 34596958 DOI: 10.1002/tcr.202100209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2021] [Revised: 09/09/2021] [Accepted: 09/10/2021] [Indexed: 11/12/2022]
Abstract
The development of efficient synthetic methods for accessing enantioenriched α-chiral amines is of great importance in the disciplines of medicinal and synthetic organic chemistry. Enantioselective Rh-catalyzed 1,2-addition reactions to activated imine derivatives are regarded as useful protocols for forming α-chiral amines. This personal account outlines our efforts to develop chiral bicyclo[2.2.1]heptadiene ligands for Rh-catalyzed asymmetric additions of various organoboron reagents to a wide range of imine derivatives. Transformations of the thus-obtained adducts into known natural products or molecules of pharmaceutical importance serve to confirm their synthetic usefulness.
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Affiliation(s)
- Yu-Yi Cheng
- Department of Chemistry, National Taiwan Normal University, No.88, Sec. 4, Tingzhou Rd., Taipei, 11677, Taiwan
| | - Wei-Sian Li
- Department of Chemistry, National Taiwan Normal University, No.88, Sec. 4, Tingzhou Rd., Taipei, 11677, Taiwan
| | - Hsyueh-Liang Wu
- Department of Chemistry, National Taiwan Normal University, No.88, Sec. 4, Tingzhou Rd., Taipei, 11677, Taiwan
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42
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Choo KL, Mirabi B, Demmans KZ, Lautens M. Enantioselective Synthesis of Spiro-oxiranes: An Asymmetric Addition/Aldol/Spirocyclization Domino Cascade. Angew Chem Int Ed Engl 2021; 60:21189-21194. [PMID: 34324779 DOI: 10.1002/anie.202105562] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Indexed: 01/11/2023]
Abstract
Enantioenriched spiro-oxiranes bearing three contiguous stereocenters were synthesized using a rhodium-catalyzed asymmetric addition/aldol/spirocyclization sequence. Starting from a linear substrate, the cascade enabled the formation of a spirocyclic framework in a single step. sp2 - and sp-hybridized carbon nucleophiles were found to be competent initiators for this cascade, giving arylated or alkynylated products, respectively. Derivatization studies demonstrated the synthetic versatility of both the epoxide and the alkyne moieties of the products. DFT calculations were used to reconcile spectroscopic discrepancies observed between the solution- and solid-state structures of the products.
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Affiliation(s)
- Ken-Loon Choo
- Davenport Chemical Laboratories, Department of Chemistry, University of Toronto, 80 St. George St., Toronto, Ontario, M5S 3H6, Canada
| | - Bijan Mirabi
- Davenport Chemical Laboratories, Department of Chemistry, University of Toronto, 80 St. George St., Toronto, Ontario, M5S 3H6, Canada
| | - Karl Z Demmans
- Davenport Chemical Laboratories, Department of Chemistry, University of Toronto, 80 St. George St., Toronto, Ontario, M5S 3H6, Canada
| | - Mark Lautens
- Davenport Chemical Laboratories, Department of Chemistry, University of Toronto, 80 St. George St., Toronto, Ontario, M5S 3H6, Canada
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43
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Choo K, Mirabi B, Demmans KZ, Lautens M. Enantioselective Synthesis of Spiro‐oxiranes: An Asymmetric Addition/Aldol/Spirocyclization Domino Cascade. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202105562] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Ken‐Loon Choo
- Davenport Chemical Laboratories Department of Chemistry University of Toronto 80 St. George St. Toronto Ontario M5S 3H6 Canada
| | - Bijan Mirabi
- Davenport Chemical Laboratories Department of Chemistry University of Toronto 80 St. George St. Toronto Ontario M5S 3H6 Canada
| | - Karl Z. Demmans
- Davenport Chemical Laboratories Department of Chemistry University of Toronto 80 St. George St. Toronto Ontario M5S 3H6 Canada
| | - Mark Lautens
- Davenport Chemical Laboratories Department of Chemistry University of Toronto 80 St. George St. Toronto Ontario M5S 3H6 Canada
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44
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Ng JS, Hayashi T. Asymmetric Synthesis of Fluorinated Allenes by Rhodium‐Catalyzed Enantioselective Alkylation/Defluorination of Propargyl Difluorides with Alkylzincs. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202109290] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Jia Sheng Ng
- Division of Chemistry and Biological Chemistry School of Physical and Mathematical Sciences Nanyang Technological University 21 Nanyang Link Singapore 637371 Singapore
| | - Tamio Hayashi
- Department of Chemistry National Tsing-Hua University Hsinchu 30013 Taiwan
- Division of Chemistry and Biological Chemistry School of Physical and Mathematical Sciences Nanyang Technological University 21 Nanyang Link Singapore 637371 Singapore
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45
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Sun C, Meng H, Chen C, Wei H, Ming J, Hayashi T. Asymmetric Synthesis of Chiral Bicyclo[2.2.1]hepta-2,5-diene Ligands through Rhodium-Catalyzed Asymmetric Arylative Bis-cyclization of a 1,6-Enyne. Org Lett 2021; 23:6311-6315. [PMID: 34374556 DOI: 10.1021/acs.orglett.1c02088] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
A series of novel chiral diene ligands (1R,4S)-L1, which are based on the bicyclo[2.2.1]heptadiene skeleton and are substituted with methyl and an ester group at the bridgehead carbons, were synthesized through rhodium-catalyzed asymmetric arylative bis-cyclization of 1,6-enyne 1 as a key step. The rhodium catalyst with one of the (1R,4S)-L1 ligands was used for the asymmetric bis-cyclization of 1 giving bicyclic product (1S,4R)-2 of 99% ee, which is a synthetic precursor of (1S,4R)-L1 ligands.
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Affiliation(s)
- Chao Sun
- Inner Mongolia Key Laboratory of Fine Organic Synthesis, Inner Mongolia University, 235 West University Street, Hohhot 010021, China
| | - He Meng
- Inner Mongolia Key Laboratory of Fine Organic Synthesis, Inner Mongolia University, 235 West University Street, Hohhot 010021, China
| | - Chen Chen
- Inner Mongolia Key Laboratory of Fine Organic Synthesis, Inner Mongolia University, 235 West University Street, Hohhot 010021, China
| | - Haili Wei
- Inner Mongolia Key Laboratory of Fine Organic Synthesis, Inner Mongolia University, 235 West University Street, Hohhot 010021, China
| | - Jialin Ming
- Inner Mongolia Key Laboratory of Fine Organic Synthesis, Inner Mongolia University, 235 West University Street, Hohhot 010021, China
| | - Tamio Hayashi
- Department of Chemistry, National Tsing Hua University, Hsin-chu 30013, Taiwan
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46
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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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47
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Ng JS, Hayashi T. Asymmetric Synthesis of Fluorinated Allenes by Rhodium-Catalyzed Enantioselective Alkylation/Defluorination of Propargyl Difluorides with Alkylzincs. Angew Chem Int Ed Engl 2021; 60:20771-20775. [PMID: 34310834 DOI: 10.1002/anie.202109290] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Indexed: 11/08/2022]
Abstract
The reaction of propargyl difluorides R1 CF2 C≡CR2 with alkylzincs R3 ZnCl giving axially chiral fluorinated allenes R1 FC=C=CR2 R3 with high enantioselectivity (up to 99 % ee) was found to be catalyzed by a chiral diene/rhodium complex. A key step in the catalytic cycle is selective elimination of one of the enantiotopic fluorides at the β-position of an alkenyl-Rh intermediate, which is generated by regioselective addition of R3 -Rh onto the triple bond of the starting difluorides.
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Affiliation(s)
- Jia Sheng Ng
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore, 637371, Singapore
| | - Tamio Hayashi
- Department of Chemistry, National Tsing-Hua University, Hsinchu, 30013, Taiwan.,Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore, 637371, Singapore
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48
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A catalytic asymmetric cross-coupling approach to the synthesis of cyclobutanes. Nat Chem 2021; 13:880-886. [PMID: 34211118 DOI: 10.1038/s41557-021-00725-y] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Accepted: 05/07/2021] [Indexed: 02/08/2023]
Abstract
Stereodefined four-membered rings are common motifs in bioactive molecules and versatile intermediates in organic synthesis. However, the synthesis of complex, chiral cyclobutanes is a largely unsolved problem and there is a need for general and modular synthetic methods. Here we report a series of asymmetric cross-coupling reactions between cyclobutenes and arylboronic acids which are initiated by Rh-catalysed asymmetric carbometallation. After the initial carborhodation, Rh-cyclobutyl intermediates undergo chain-walking or C-H insertion so that overall a variety of additions such as reductive Heck reactions, 1,5-addition and homoallylic substitution are observed. The synthetic applicability of these highly stereoselective transformations is demonstrated in the concise syntheses of the drug candidates Belaperidone and PF-04862853. We anticipate this approach will be widely adopted by synthetic and medicinal chemists. While the carbometallation approach reported here is exemplified with Rh and arylboronic acids, it is likely to be applicable to other metals and nucleophiles.
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49
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Lainer B, Lichosyt D, Aleksandrova M, Dydio P. Enantioselective α-Arylation of Primary Alcohols under Sequential One-Pot Catalysis. J Org Chem 2021; 86:9253-9262. [PMID: 34114458 DOI: 10.1021/acs.joc.1c00983] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Secondary benzylic alcohols and diarylmethanols are common structural motifs of biologically active and medicinally relevant compounds. Here we report their enantioselective synthesis by α-arylation of primary aliphatic and benzylic alcohols under sequential catalysis integrating a Ru-catalyzed hydrogen transfer oxidation and a Ru-catalyzed nucleophilic addition. The method can be applied to various alcohols and aryl nucleophiles tolerating a range of functional groups, including secondary alcohols, ketones, alkenes, esters, NH amides, tertiary amines, aryl halides, and heterocycles.
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Affiliation(s)
- Bruno Lainer
- University of Strasbourg, CNRS, ISIS UMR 7006, 8 allée Gaspard Monge, 67000 Strasbourg, France
| | - Dawid Lichosyt
- University of Strasbourg, CNRS, ISIS UMR 7006, 8 allée Gaspard Monge, 67000 Strasbourg, France
| | - Maiia Aleksandrova
- University of Strasbourg, CNRS, ISIS UMR 7006, 8 allée Gaspard Monge, 67000 Strasbourg, France
| | - Paweł Dydio
- University of Strasbourg, CNRS, ISIS UMR 7006, 8 allée Gaspard Monge, 67000 Strasbourg, France
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50
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Chen JP, Xu MH. Chiral diene-promoted room temperature conjugate arylation: highly enantioselective synthesis of substituted chiral phenylalanine derivatives and α,α-di(arylmethyl)acetates. Org Biomol Chem 2021; 18:4569-4574. [PMID: 32253413 DOI: 10.1039/d0ob00616e] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
A highly enantiocontrolled room temperature rhodium-catalyzed conjugate arylation process was developed. The reaction proceeds through 1,4-addition of α-substituted acrylates followed by enantioselective protonation using a C1-symmetric chiral bicyclo[2,2,2] diene as the ligand and water as the proton source. This exceptionally simple protocol provides a reliable and practical access to structurally important phenylalanine derivatives and α,α-di(arylmethyl)acetates in high yields (up to 99%) with good to excellent ee values (up to 99%).
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Affiliation(s)
- Jian-Ping Chen
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, China.
| | - Ming-Hua Xu
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, China. and Shenzhen Key Laboratory of Discovery and Synthesis of Small Molecule Drugs, Department of Chemistry, Southern University of Science and Technology, 1088 Xueyuan Boulevard, Shenzhen 518055, China
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