1
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Zhou X, Huang Q, Guo J, Dai L, Lu Y. Catalytic Asymmetric Construction of α,α-Diaryl Aldehydes via Oxo-Hydroarylation of Terminal Alkynes. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2309645. [PMID: 38650176 PMCID: PMC11199996 DOI: 10.1002/advs.202309645] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Revised: 03/01/2024] [Indexed: 04/25/2024]
Abstract
Chiral aldehydes containing a tertiary stereogenic center are versatile building blocks in organic chemistry. In particular, such structural motifs bearing an α,α-diaryl moiety are very challenging scaffolds and their efficient asymmetric synthesis is not reported. In this work, a phosphoric acid-catalyzed enantioselective synthesis of α,α-diaryl aldehydes from simple terminal alkynes is presented. This approach yields a wide range of highly enolizable α,α-diaryl aldehydes in good yields with excellent enantioselectivities. Facile transformations of the products, as well as an efficient synthesis of bioactive molecules, including an effective anti-smallpox agent and an FDA-approved antidepressant drug (+)-sertraline, are demonstrated.
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Affiliation(s)
- Xueting Zhou
- Joint School of National University of Singapore and Tianjin UniversityInternational Campus of Tianjin UniversityBinhai New CityFuzhou350207China
- Department of ChemistryNational University of Singapore3 Science Drive 3Singapore117543Singapore
| | - Qingqin Huang
- Joint School of National University of Singapore and Tianjin UniversityInternational Campus of Tianjin UniversityBinhai New CityFuzhou350207China
- Department of ChemistryNational University of Singapore3 Science Drive 3Singapore117543Singapore
| | - Jiami Guo
- Joint School of National University of Singapore and Tianjin UniversityInternational Campus of Tianjin UniversityBinhai New CityFuzhou350207China
- Department of ChemistryNational University of Singapore3 Science Drive 3Singapore117543Singapore
| | - Lei Dai
- Department of ChemistryNational University of Singapore3 Science Drive 3Singapore117543Singapore
| | - Yixin Lu
- Joint School of National University of Singapore and Tianjin UniversityInternational Campus of Tianjin UniversityBinhai New CityFuzhou350207China
- Department of ChemistryNational University of Singapore3 Science Drive 3Singapore117543Singapore
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2
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Kiene M, Zaremba M, Januschewski E, Juadjur A, Jerz G, Winterhalter P. Sustainable In Silico-Supported Ultrasonic-Assisted Extraction of Oligomeric Stilbenoids from Grapevine Roots Using Natural Deep Eutectic Solvents (NADES) and Stability Study of Potential Ready-to-Use Extracts. Foods 2024; 13:324. [PMID: 38275691 PMCID: PMC10815275 DOI: 10.3390/foods13020324] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2023] [Revised: 01/15/2024] [Accepted: 01/17/2024] [Indexed: 01/27/2024] Open
Abstract
Grapevine roots, as a side-stream of a vineyard, are a sustainable resource for the recovery of oligomeric stilbenoids, such as the bioactive r-viniferin. The aim of this study is to evaluate an in silico-supported method, based on the Conductor-like Screening Model for Real Solvents (COSMO-RS), for selection of environmentally friendly natural deep eutectic solvents (NADES) with regard to the extraction of grapevine roots. The most suitable NADES system for ultrasonic-assisted extraction of r-viniferin was choline chloride/1,2-propanediol. The optimal extraction parameters for r-viniferin were determined using single-factor experiments as follows: choline chloride/1,2-propanediol 1/2 mol/mol, 10 wt% H2O, biomass/NADES ratio 1/10 g/g, and 10 min extraction time. Under optimized conditions, the extraction yield of r-viniferin from grapevine roots reached 76% of the total r-viniferin content. Regarding stability, stilbenoids in choline chloride/1,2-propanediol remained stable during 128 days of storage at ambient temperature. However, fructose/lactic acid-based NADES were observed to degrade stilbenoids; therefore, the removal of the NADES will be of interest, with a suitable method implemented using Amberlite® XAD-16N resin. As green solvents, the NADES have been used as effective and environmentally friendly extractants of stilbenoid-containing extracts from grapevine roots for potential applications in the cosmetic and pharmaceutical industry or as nutraceuticals in the food industry.
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Affiliation(s)
- Mats Kiene
- Institute of Food Chemistry, Technische Universität Braunschweig, Schleinitzstraße 20, 38106 Braunschweig, Germany; (M.K.); (G.J.)
| | - Malte Zaremba
- Institute of Food Chemistry, Technische Universität Braunschweig, Schleinitzstraße 20, 38106 Braunschweig, Germany; (M.K.); (G.J.)
| | - Edwin Januschewski
- Institute of Food Chemistry, Technische Universität Braunschweig, Schleinitzstraße 20, 38106 Braunschweig, Germany; (M.K.); (G.J.)
- German Institute of Food Technologies, Chemical Analytics, Prof.-von-Klitzing-Straße 7, 49610 Quakenbrück, Germany;
| | - Andreas Juadjur
- German Institute of Food Technologies, Chemical Analytics, Prof.-von-Klitzing-Straße 7, 49610 Quakenbrück, Germany;
| | - Gerold Jerz
- Institute of Food Chemistry, Technische Universität Braunschweig, Schleinitzstraße 20, 38106 Braunschweig, Germany; (M.K.); (G.J.)
| | - Peter Winterhalter
- Institute of Food Chemistry, Technische Universität Braunschweig, Schleinitzstraße 20, 38106 Braunschweig, Germany; (M.K.); (G.J.)
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3
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Huang C, Xiao P, Ye ZM, Wang CL, Kang C, Tang S, Wei Z, Cai H. Direct C(sp 3)-H Arylation of Unprotected Benzyl Anilines and Alkylarenes by Organocatalysis under Visible Light. Org Lett 2024; 26:304-309. [PMID: 38165162 DOI: 10.1021/acs.orglett.3c03980] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2024]
Abstract
Reported herein is direct C(sp3)-H arylation of unprotected benzyl anilines and alkylarenes via consecutive photoinduced electron transfer by visible light irradiation. Reductive quenching cycles and radical-radical cross-coupling were involved, and electron paramagnetic resonance experiments provide evidence for the formation of radical intermediates formed in situ. The protocol highlights transition metal free, external oxidant free, broad substrate scope, and high efficiency (>60 examples, up to 96%).
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Affiliation(s)
- Cheng Huang
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang, Jiangxi 330031, People's Republic of China
| | - Peng Xiao
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang, Jiangxi 330031, People's Republic of China
| | - Zhong-Ming Ye
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang, Jiangxi 330031, People's Republic of China
| | - Chen-Lu Wang
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang, Jiangxi 330031, People's Republic of China
| | - Chen Kang
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang, Jiangxi 330031, People's Republic of China
| | - Sheng Tang
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang, Jiangxi 330031, People's Republic of China
| | - Zhenhong Wei
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang, Jiangxi 330031, People's Republic of China
| | - Hu Cai
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang, Jiangxi 330031, People's Republic of China
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4
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Ali SI, Salama A. Natural Immunomodulatory Agents as a Complementary Therapy for Poxviruses. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2024; 1451:337-354. [PMID: 38801589 DOI: 10.1007/978-3-031-57165-7_22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2024]
Abstract
Poxviruses target innate immunity mediators such as tumor necrosis factors, interleukins, interferons, complement, and chemokines. It also targets adaptive immunity such as CD4+ T cells, CD4+ T cells, and B cells. Emerging of the recent epidemic of monkeypox virus (MPXV), a zoonotic disease native to Central and Western Africa, besides the lack of permitted treatments for poxviruses infections, encouraged researchers to identify effective inhibitors to help in preventing and treating poxviruses infections. Natural bioactive components, particularly polyphenolics, are promising for creating powerful antioxidants, anti-inflammatory, immune-stimulating, and antiviral agents. As a result, they are potentially effective therapies for preventing and treating viral diseases, such as infections caused by poxviruses including the recent pandemic MPXV. Polyphenolics: rosmarinic acid, caffeic acid, resveratrol, quercitrin, myricitrin, gingerol, gallotannin, and propolis-benzofuran A, as well as isoquinoline alkaloids: galanthamine and thalimonine represent prospective antiviral agents against MPXV, they can inhibit MPXV and other poxviruses via targeting different viral elements including DNA Topoisomerase I (TOP1), Thymidine Kinase (TK), serine/threonine protein kinase (Ser/Thr kinase), and protein A48R. The bioactive extracts of different traditional plants including Guiera senegalensis, Larrea tridentata, Sarracenia purpurea, Kalanchoe pinnata (Lam.) Pers., Zingiber officinale Roscoe, Quercus infectoria, Rhus chinensis, Prunella vulgaris L., Salvia rosmarinus, and Origanum vulgare also can inhibit the growth of different poxviruses including MPXV, vaccinia virus (VACV), variola virus, buffalopox virus, fowlpox virus, and cowpox virus. There is an urgent need for additional molecular studies to identify and confirm the anti-poxviruses properties of various natural bioactive components, especially those that showed potent antiviral activity against other viruses.
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Affiliation(s)
- Sami I Ali
- Plant Biochemistry Department, National Research Centre (NRC), 33 El Buhouth St. (Former El-Tahrir St.), Dokki, Cairo, 12622, Egypt.
| | - Abeer Salama
- Pharmacology Department, National Research Centre (NRC), 33 El Buhouth St. (Former El-Tahrir St.), Dokki, Cairo, 12622, Egypt
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5
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Usman FO, Gogoi AR, Mixdorf JC, Gutierrez O, Nguyen HM. Rhodium-Catalyzed Asymmetric Synthesis of 1,2-Disubstituted Allylic Fluorides. Angew Chem Int Ed Engl 2023; 62:e202314843. [PMID: 37856668 PMCID: PMC11069351 DOI: 10.1002/anie.202314843] [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: 10/04/2023] [Revised: 10/18/2023] [Accepted: 10/19/2023] [Indexed: 10/21/2023]
Abstract
Although there are many methods for the asymmetric synthesis of monosubstituted allylic fluorides, construction of enantioenriched 1,2-disubstituted allylic fluorides has not been reported. To address this gap, we report an enantioselective synthesis of 1,2-disubstituted allylic fluorides using chiral diene-ligated rhodium catalyst, Et3 N ⋅ 3HF as a source of fluoride, and Morita Baylis Hillman (MBH) trichloroacetimidates. Kinetic studies show that one enantiomer of racemic MBH substrate reacts faster than the other. Computational studies reveal that both syn and anti π-allyl complexes are formed upon ionization of allylic substrate, and the syn complexes are slightly energetically favorable. This is in contrast to our previous observation for formation of monosubstituted π-allyl intermediates, in which the syn π-allyl conformation is strongly preferred. In addition, the presence of an electron-withdrawing group at C2 position of racemic MBH substrate renders 1,2-disubstituted π-allyl intermediate formation endergonic and reversible. To compare, formation of monosubstituted π-allyl intermediates was exergonic and irreversible. DFT calculations and kinetic studies support a dynamic kinetic asymmetric transformation process wherein the rate of isomerization of the 1,2-disubstituted π-allylrhodium complexes is faster than that of fluoride addition onto the more reactive intermediate. The 1,2-disubstituted allylic fluorides were obtained in good yields, enantioselectivity, and branched selectivity.
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Affiliation(s)
- Fuad O Usman
- Department of Chemistry, Wayne State University, Detroit, MI 48202, USA
| | - Achyut R Gogoi
- Department of Chemistry, Texas A&M University, College Station, TX 77843, USA
| | - Jason C Mixdorf
- Department of Medical Physics, University of Wisconsin School of Medicine and Public Health, Madison, WI 53705, USA
| | - Osvaldo Gutierrez
- Department of Chemistry, Texas A&M University, College Station, TX 77843, USA
| | - Hien M Nguyen
- Department of Chemistry, Wayne State University, Detroit, MI 48202, USA
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6
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Li Y, Guo S, Li QH, Zheng K. Metal-free photoinduced C(sp 3)-H/C(sp 3)-H cross-coupling to access α‑tertiary amino acid derivatives. Nat Commun 2023; 14:6225. [PMID: 37802984 PMCID: PMC10558569 DOI: 10.1038/s41467-023-41956-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Accepted: 09/22/2023] [Indexed: 10/08/2023] Open
Abstract
The cross-dehydrogenative coupling (CDC) reaction is the most direct and efficient method for constructing α-tertiary amino acids (ATAAs), which avoids the pre-activation of C(sp3)-H substrates. However, the use of transition metals and harsh reaction conditions are still significant challenges for these reactions that urgently require solutions. This paper presents a mild, metal-free CDC reaction for the construction of ATAAs, which is compatible with various benzyl C-H substrates, functionalized C-H substrates, and alkyl substrates, with good regioselectivity. Notably, our method exhibits excellent functional group tolerance and late-stage applicability. According to mechanistic studies, the one-step synthesized and bench-stable N-alkoxyphtalimide generates a highly electrophilic trifluoro ethoxy radical that serves as a key intermediate in the reaction process and acts as a hydrogen atom transfer reagent. Therefore, our metal-free and additive-free method offers a promising strategy for the synthesis of ATAAs under mild conditions.
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Affiliation(s)
- Yujun Li
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu, PR China
| | - Shaopeng Guo
- Key Laboratory of General Chemistry of the National Ethnic Affairs Commission, College of Chemistry and Environment, Southwest Minzu University, Chengdu, PR China
| | - Qing-Han Li
- Key Laboratory of General Chemistry of the National Ethnic Affairs Commission, College of Chemistry and Environment, Southwest Minzu University, Chengdu, PR China
| | - Ke Zheng
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu, PR China.
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7
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Rygus JPG, Hall DG. Direct nucleophilic and electrophilic activation of alcohols using a unified boron-based organocatalyst scaffold. Nat Commun 2023; 14:2563. [PMID: 37142592 PMCID: PMC10160031 DOI: 10.1038/s41467-023-38228-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Accepted: 04/18/2023] [Indexed: 05/06/2023] Open
Abstract
Organocatalytic strategies for the direct activation of hydroxy-containing compounds have paled in comparison to those applicable to carbonyl compounds. To this end, boronic acids have emerged as valuable catalysts for the functionalization of hydroxy groups in a mild and selective fashion. Distinct modes of activation in boronic acid-catalyzed transformations are often accomplished by vastly different catalytic species, complicating the design of broadly applicable catalyst classes. Herein, we report the use of benzoxazaborine as a general scaffold for the development of structurally related yet mechanistically divergent catalysts for the direct nucleophilic and electrophilic activation of alcohols under ambient conditions. The utility of these catalysts is demonstrated in the monophosphorylation of vicinal diols and the reductive deoxygenation of benzylic alcohols and ketones respectively. Mechanistic studies of both processes reveal the contrasting nature of key tetravalent boron intermediates in the two catalytic manifolds.
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Affiliation(s)
- Jason P G Rygus
- Department of Chemistry, Centennial Center for Interdisciplinary Science, University of Alberta, Edmonton, AB, T6G 2G2, Canada
| | - Dennis G Hall
- Department of Chemistry, Centennial Center for Interdisciplinary Science, University of Alberta, Edmonton, AB, T6G 2G2, Canada.
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8
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Wang J, Shahed-Ai-Mahmud M, Chen A, Li K, Tan H, Joyce R. An Overview of Antivirals against Monkeypox Virus and Other Orthopoxviruses. J Med Chem 2023; 66:4468-4490. [PMID: 36961984 DOI: 10.1021/acs.jmedchem.3c00069] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/26/2023]
Abstract
The current monkeypox outbreaks during the COVID-19 pandemic have reignited interest in orthopoxvirus antivirals. Monkeypox belongs to the Orthopoxvirus genus of the Poxviridae family, which also includes the variola virus, vaccinia virus, and cowpox virus. Two orally bioavailable drugs, tecovirimat and brincidofovir, have been approved for treating smallpox infections. Given their human safety profiles and in vivo antiviral efficacy in animal models, both drugs have also been recommended to treat monkeypox infection. To facilitate the development of additional orthopoxvirus antivirals, we summarize the antiviral activity, mechanism of action, and mechanism of resistance of orthopoxvirus antivirals. This perspective covers both direct-acting and host-targeting antivirals with an emphasis on drug candidates showing in vivo antiviral efficacy in animal models. We hope to speed the orthopoxvirus antiviral drug discovery by providing medicinal chemists with insights into prioritizing proper drug targets and hits for further development.
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Affiliation(s)
- Jun Wang
- Department of Medicinal Chemistry, Ernest Mario School of Pharmacy, Rutgers, the State University of New Jersey, Piscataway, New Jersey 08854, United States
| | - Md Shahed-Ai-Mahmud
- Department of Medicinal Chemistry, Ernest Mario School of Pharmacy, Rutgers, the State University of New Jersey, Piscataway, New Jersey 08854, United States
| | - Angelo Chen
- Department of Medicinal Chemistry, Ernest Mario School of Pharmacy, Rutgers, the State University of New Jersey, Piscataway, New Jersey 08854, United States
| | - Kan Li
- Department of Medicinal Chemistry, Ernest Mario School of Pharmacy, Rutgers, the State University of New Jersey, Piscataway, New Jersey 08854, United States
| | - Haozhou Tan
- Department of Medicinal Chemistry, Ernest Mario School of Pharmacy, Rutgers, the State University of New Jersey, Piscataway, New Jersey 08854, United States
| | - Ryan Joyce
- Department of Medicinal Chemistry, Ernest Mario School of Pharmacy, Rutgers, the State University of New Jersey, Piscataway, New Jersey 08854, United States
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9
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Yu W, Wan J, Chen P, Zhao K, Huang H, Wang T, Luo J. Palladium-catalyzed cross-coupling of benzene sulfonhydrazides and benzyltrimethylammonium salts: Synthesis of diarylmethanes. SYNTHETIC COMMUN 2023. [DOI: 10.1080/00397911.2023.2172347] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/05/2023]
Affiliation(s)
- Weijie Yu
- Jiangxi Province Key Laboratory of Chemical Biology, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, People's Republic of China
| | - Juelin Wan
- Jiangxi Province Key Laboratory of Chemical Biology, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, People's Republic of China
| | - Puqing Chen
- Analytical and Testing Center, Jiangxi Normal University, Nanchang, People's Republic of China
| | - Kuang Zhao
- Jiangxi Province Key Laboratory of Chemical Biology, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, People's Republic of China
| | - Haijin Huang
- College of Chemistry and Environmental Sciences, Shangrao Normal University, Shangrao, People's Republic of China
| | - Tao Wang
- Jiangxi Province Key Laboratory of Chemical Biology, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, People's Republic of China
| | - Jin Luo
- Analytical and Testing Center, Jiangxi Normal University, Nanchang, People's Republic of China
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10
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Liu CF, Wang ZC, Luo X, Lu J, Ko CHM, Shi SL, Koh MJ. Synthesis of tri- and tetrasubstituted stereocentres by nickel-catalysed enantioselective olefin cross-couplings. Nat Catal 2022. [DOI: 10.1038/s41929-022-00854-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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11
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Liu X, Tang Z, Si Z, Zhang Z, Zhao L, Liu L. Enantioselective
para
‐C(sp
2
)−H Functionalization of Alkyl Benzene Derivatives via Cooperative Catalysis of Gold/Chiral Brønsted Acid**. Angew Chem Int Ed Engl 2022; 61:e202208874. [DOI: 10.1002/anie.202208874] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Indexed: 11/10/2022]
Affiliation(s)
- Xun‐Shen Liu
- School of Chemistry and Molecular Engineering East China Normal University 500 Dongchuan Road Shanghai 200241 P. R. China
| | - Zhiqiong Tang
- School of Chemistry and Molecular Engineering East China Normal University 500 Dongchuan Road Shanghai 200241 P. R. China
| | - Zhi‐Yao Si
- School of Chemistry and Molecular Engineering East China Normal University 500 Dongchuan Road Shanghai 200241 P. R. China
| | - Zhikun Zhang
- School of Chemistry and Molecular Engineering East China Normal University 500 Dongchuan Road Shanghai 200241 P. R. China
| | - Lei Zhao
- School of Chemistry and Molecular Engineering East China Normal University 500 Dongchuan Road Shanghai 200241 P. R. China
| | - Lu Liu
- School of Chemistry and Molecular Engineering East China Normal University 500 Dongchuan Road Shanghai 200241 P. R. China
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development East China Normal University 3663N Zhongshan Road Shanghai 200062 P. R. China
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12
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Transition Metal Catalyzed Hiyama Cross-Coupling: Recent Methodology Developments and Synthetic Applications. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27175654. [PMID: 36080422 PMCID: PMC9458230 DOI: 10.3390/molecules27175654] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Revised: 08/22/2022] [Accepted: 08/26/2022] [Indexed: 11/17/2022]
Abstract
Hiyama cross-coupling is a versatile reaction in synthetic organic chemistry for the construction of carbon-carbon bonds. It involves the coupling of organosilicons with organic halides using transition metal catalysts in good yields and high enantioselectivities. In recent years, hectic progress has been made by researchers toward the synthesis of diversified natural products and pharmaceutical drugs using the Hiyama coupling reaction. This review emphasizes the recent synthetic developments and applications of Hiyama cross-coupling.
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13
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Resveratrol Downmodulates Neutrophil Extracellular Trap (NET) Generation by Neutrophils in Patients with Severe COVID-19. Antioxidants (Basel) 2022; 11:antiox11091690. [PMID: 36139764 PMCID: PMC9495554 DOI: 10.3390/antiox11091690] [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: 07/23/2022] [Revised: 08/25/2022] [Accepted: 08/26/2022] [Indexed: 11/20/2022] Open
Abstract
The formation of microthrombi in lung autopsies indicates the involvement of NETs in the immunopathogenesis of severe COVID-19. Therefore, supplements inhibiting NET formation, in association with drugs with fewer adverse effects, should be a relevant strategy to attenuate the disease. Resveratrol (RESV) is a natural polyphenol with an important antiviral and antioxidant role. To modulate neutrophils from patients infected with SARS-CoV-2, we evaluated the in vitro effect of RESV on NET formation. Herein, we investigated 190 patients hospitalized with moderate, severe, and critical symptoms at Hospital das Clínicas, Brazil. We observed that neutrophilia in patients with severe COVID-19 infection is composed of neutrophils with activated profile able to release NET spontaneously. Notably, RESV decreased the neutrophil-activated status and the release of free DNA, inhibiting NET formation even under the specific PMA stimulus. At present, there is no evidence of the role of RESV in neutrophils from patients with COVID-19 infection. These findings suggest that adjunctive therapies with RESV may help decrease the inflammation of viral or bacterial infection, improving patient outcomes.
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14
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Chen M, Montgomery J. Nickel-Catalyzed Intermolecular Enantioselective Heteroaromatic C–H Alkylation. ACS Catal 2022. [DOI: 10.1021/acscatal.2c03228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Mo Chen
- Department of Chemistry, University of Michigan, Ann Arbor, Michigan 48109-1055, United States
| | - John Montgomery
- Department of Chemistry, University of Michigan, Ann Arbor, Michigan 48109-1055, United States
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15
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Liu XS, Tang Z, Si ZY, Zhang Z, Zhao L, Liu L. Enantioselective para‐C(sp2)−H Functionalization of Alkyl Benzene Derivatives via Cooperative Catalysis of Gold/Chiral Brønsted Acid. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202208874] [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)
- Xun-Shen Liu
- East China Normal University School of Chemistry and Molecular Engineering CHINA
| | - Zhiqiong Tang
- East China Normal University School of Chemistry and Molecular Engineering CHINA
| | - Zhi-Yao Si
- East China Normal University School of Chemistry and Molecular Engineering CHINA
| | - Zhikun Zhang
- East China Normal University School of Chemistry and Molecular Engineering CHINA
| | - Lei Zhao
- East China Normal University School of Chemistry and Molecular Engineering CHINA
| | - Lu Liu
- East China Normal University School of Chemistry and Molecular Engineering 500 Dongchuan Road 200241 Shanghai CHINA
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16
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van Brummelen R, van Brummelen AC. The potential role of resveratrol as supportive antiviral in treating conditions such as COVID-19 - A formulator's perspective. Biomed Pharmacother 2022; 148:112767. [PMID: 35240527 PMCID: PMC8884665 DOI: 10.1016/j.biopha.2022.112767] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Revised: 02/21/2022] [Accepted: 02/27/2022] [Indexed: 11/18/2022] Open
Abstract
With an increased transmissibility but milder form of disease of the omicron variant of COVID-19 and the newer antivirals often still out of reach of many populations, a refocus of the current treatment regimens is required. Safe, affordable, and available adjuvant treatments should also be considered and known drugs and substances need to be repurposed and tested. Resveratrol, a well-known antioxidant of natural origin, shown to act as an antiviral as well as playing a role in immune stimulation, down regulation of the pro-inflammatory cytokine release and reducing lung injury by reducing oxidative stress, is such an option. New initiatives and collaborations will however need to be found to unleash resveratrol's full potential in the pharmaceutical market.
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17
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Liang Y, Niu L, Liang X, Wang S, Wang P, Lei A. Electrooxidation‐Induced
C(sp
3
)‐H/ C(sp
2
)‐H
Radical‐Radical
Cross‐coupling between Xanthanes and Electron‐rich Arenes. CHINESE J CHEM 2022. [DOI: 10.1002/cjoc.202200020] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Yuwei Liang
- College of Chemistry and Molecular Sciences, Institute for Advanced Studies (IAS), Wuhan University Wuhan Hubei 430072 China
| | - Linbin Niu
- College of Chemistry and Molecular Sciences, Institute for Advanced Studies (IAS), Wuhan University Wuhan Hubei 430072 China
| | - Xing‐An Liang
- College of Chemistry and Molecular Sciences, Institute for Advanced Studies (IAS), Wuhan University Wuhan Hubei 430072 China
| | - Shengchun Wang
- College of Chemistry and Molecular Sciences, Institute for Advanced Studies (IAS), Wuhan University Wuhan Hubei 430072 China
| | - Pengjie Wang
- College of Chemistry and Molecular Sciences, Institute for Advanced Studies (IAS), Wuhan University Wuhan Hubei 430072 China
| | - Aiwen Lei
- College of Chemistry and Molecular Sciences, Institute for Advanced Studies (IAS), Wuhan University Wuhan Hubei 430072 China
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18
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Kole PB, Kollur SP, Revanasiddappa HD, Shivamallu C, Costa RA, Junior ESA, Anselmo LM, da Silva JN, Srinivasa C, Syed A, Singh FV. Structural, Electronic, Vibrational and Pharmacological Investigations of Highly Functionalized Diarylmethane Molecules Using DFT Calculations, Molecular Dynamics and Molecular Docking. Polycycl Aromat Compd 2022. [DOI: 10.1080/10406638.2022.2041050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Priyanka B. Kole
- Chemistry Division, School of Advanced Science, VIT University, Chennai, India
| | - Shiva Prasad Kollur
- School of Agriculture, Geography, Environment, Ocean and Natural Sciences (SAGEONS), The University of the South Pacific, Suva, Fiji
- Department of Sciences, Amrita School of Arts and Sciences, Amrita Vishwa Vidyapeetham, Mysuru, India
| | | | - Chandan Shivamallu
- Department of Biotechnology and Bioinformatics, Faculty of Life Sciences, JSS Academy of Higher Education and Research (JSSAHER), Mysuru, India
| | - Renyer A. Costa
- Department of Chemistry, Federal University of Amazonas (DQ-UFAM), Manaus, Brazil
| | - Earle S. A. Junior
- Department of Chemistry, Federal University of Amazonas (DQ-UFAM), Manaus, Brazil
| | - Lucas M. Anselmo
- Department of Chemistry, Federal University of Amazonas (DQ-UFAM), Manaus, Brazil
| | - Jonathas N. da Silva
- Department of Chemistry, Federal University of Amazonas (DQ-UFAM), Manaus, Brazil
| | | | - Asad Syed
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Fateh V. Singh
- Chemistry Division, School of Advanced Science, VIT University, Chennai, India
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19
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Palladium-catalyzed cross-coupling of benzyltitanium(IV) reagents with aryl fluorides. MONATSHEFTE FUR CHEMIE 2022. [DOI: 10.1007/s00706-021-02881-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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20
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Carvalho RL, de Miranda AS, Nunes MP, Gomes RS, Jardim GAM, Júnior ENDS. On the application of 3d metals for C-H activation toward bioactive compounds: The key step for the synthesis of silver bullets. Beilstein J Org Chem 2021; 17:1849-1938. [PMID: 34386103 PMCID: PMC8329403 DOI: 10.3762/bjoc.17.126] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Accepted: 06/28/2021] [Indexed: 01/24/2023] Open
Abstract
Several valuable biologically active molecules can be obtained through C-H activation processes. However, the use of expensive and not readily accessible catalysts complicates the process of pharmacological application of these compounds. A plausible way to overcome this issue is developing and using cheaper, more accessible, and equally effective catalysts. First-row transition (3d) metals have shown to be important catalysts in this matter. This review summarizes the use of 3d metal catalysts in C-H activation processes to obtain potentially (or proved) biologically active compounds.
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Affiliation(s)
- Renato L Carvalho
- Institute of Exact Sciences, Department of Chemistry, Federal University of Minas Gerais - UFMG, CEP 31270-901, Belo Horizonte, MG, Brazil
| | - Amanda S de Miranda
- Institute of Exact Sciences, Department of Chemistry, Federal University of Minas Gerais - UFMG, CEP 31270-901, Belo Horizonte, MG, Brazil
| | - Mateus P Nunes
- Institute of Exact Sciences, Department of Chemistry, Federal University of Minas Gerais - UFMG, CEP 31270-901, Belo Horizonte, MG, Brazil
| | - Roberto S Gomes
- Department of Pharmaceutical Sciences, North Dakota State University, Fargo, ND, United States
| | - Guilherme A M Jardim
- Institute of Exact Sciences, Department of Chemistry, Federal University of Minas Gerais - UFMG, CEP 31270-901, Belo Horizonte, MG, Brazil
- Centre for Excellence for Research in Sustainable Chemistry (CERSusChem), Department of Chemistry, Federal University of São Carlos – UFSCar, CEP 13565-905, São Carlos, SP, Brazil
| | - Eufrânio N da Silva Júnior
- Institute of Exact Sciences, Department of Chemistry, Federal University of Minas Gerais - UFMG, CEP 31270-901, Belo Horizonte, MG, Brazil
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21
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Wang Y, Duan R, Wu Y, Li X, Deng C. Metal‐Free Synthesis of Diarylmethanes through Visible‐Light Induced Radical Reactions with Arylamines. ChemistrySelect 2021. [DOI: 10.1002/slct.202101388] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Youjia Wang
- Jiangsu Key Laboratory of Pesticide Science and Department of Chemistry College of Sciences Nanjing Agricultural University Nanjing 210095 P. R. China
| | - Ruochen Duan
- Jiangsu Key Laboratory of Pesticide Science and Department of Chemistry College of Sciences Nanjing Agricultural University Nanjing 210095 P. R. China
| | - Yanhui Wu
- Jiangsu Key Laboratory of Pesticide Science and Department of Chemistry College of Sciences Nanjing Agricultural University Nanjing 210095 P. R. China
| | - Xulian Li
- Jiangsu Key Laboratory of Pesticide Science and Department of Chemistry College of Sciences Nanjing Agricultural University Nanjing 210095 P. R. China
| | - Chao Deng
- Jiangsu Key Laboratory of Pesticide Science and Department of Chemistry College of Sciences Nanjing Agricultural University Nanjing 210095 P. R. China
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22
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Ru GX, Zhang TT, Zhang M, Jiang XL, Wan ZK, Zhu XH, Shen WB, Gao GQ. Recent progress towards the transition-metal-catalyzed Nazarov cyclization of alkynes via metal carbenes. Org Biomol Chem 2021; 19:5274-5283. [PMID: 34060570 DOI: 10.1039/d1ob00744k] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
In recent years, transition-metal-catalyzed tandem cyclization reactions of alkynes, especially those involving a metal carbene intermediate, have received worthwhile interest, as this type of reaction does not require the use of risky and potentially explosive diazo compounds as starting materials for carbene generation. A significant and general strategy for the stereospecific synthesis of 5-membered cycles is Nazarov cyclization based on the 4π-conrotatory electrocyclization of a conjugated pentadienyl cation to afford a cyclopentenyl cation. In this review, we introduce an overview of recent advances in the transition-metal-catalyzed Nazarov cyclization of alkynes via a metal carbene intermediate, and categorize these reactions according to the structure of the metal carbene. Our aim is to accelerate advancements in this enchanting area of research.
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Affiliation(s)
- Guang-Xin Ru
- College of Sciences and College of Forestry, Henan Agricultural University, Zhengzhou, Henan 450002, China.
| | - Ting-Ting Zhang
- College of Sciences and College of Forestry, Henan Agricultural University, Zhengzhou, Henan 450002, China.
| | - Meng Zhang
- College of Sciences and College of Forestry, Henan Agricultural University, Zhengzhou, Henan 450002, China.
| | - Xiao-Lei Jiang
- College of Sciences and College of Forestry, Henan Agricultural University, Zhengzhou, Henan 450002, China.
| | - Zheng-Kai Wan
- College of Sciences and College of Forestry, Henan Agricultural University, Zhengzhou, Henan 450002, China.
| | - Xiu-Hong Zhu
- College of Sciences and College of Forestry, Henan Agricultural University, Zhengzhou, Henan 450002, China.
| | - Wen-Bo Shen
- College of Sciences and College of Forestry, Henan Agricultural University, Zhengzhou, Henan 450002, China.
| | - Guang-Qin Gao
- College of Sciences and College of Forestry, Henan Agricultural University, Zhengzhou, Henan 450002, China.
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23
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Su XL, Jiang SP, Ye L, Xu GX, Chen JJ, Gu QS, Li ZL, Liu XY. A general copper-catalyzed radical C(sp3)−C(sp2) cross-coupling to access 1,1-diarylalkanes under ambient conditions. Tetrahedron 2021. [DOI: 10.1016/j.tet.2021.132152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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24
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Czyz ML, Taylor MS, Horngren TH, Polyzos A. Reductive Activation and Hydrofunctionalization of Olefins by Multiphoton Tandem Photoredox Catalysis. ACS Catal 2021. [DOI: 10.1021/acscatal.1c01000] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Milena L. Czyz
- School of Chemistry, The University of Melbourne, Parkville 3010, Victoria, Australia
| | - Mitchell S. Taylor
- School of Chemistry, The University of Melbourne, Parkville 3010, Victoria, Australia
| | - Tyra H. Horngren
- School of Chemistry, The University of Melbourne, Parkville 3010, Victoria, Australia
| | - Anastasios Polyzos
- School of Chemistry, The University of Melbourne, Parkville 3010, Victoria, Australia
- CSIRO Manufacturing, Research Way, Clayton 3168, Victoria, Australia
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25
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Tran HN, Burgett RW, Stanley LM. Nickel-Catalyzed Asymmetric Hydroarylation of Vinylarenes: Direct Enantioselective Synthesis of Chiral 1,1-Diarylethanes. J Org Chem 2021; 86:3836-3849. [PMID: 33576628 DOI: 10.1021/acs.joc.0c02556] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
The enantioselective hydroarylation of vinylarenes catalyzed by a chiral, non-racemic nickel catalyst is presented as a facile method to generate chiral 1,1-diarylethanes. These reactions proceed via formation of a chiral, non-racemic nickel benzyl intermediate. Transmetalation with arylboron nucleophiles and subsequent reductive elimination enable the formation of a variety of chiral 1,1-diarylethanes. The 1,1-diarylethane products from reactions of arylboronic acids containing electron-donating substituents are formed with typically greater than 90% ee, while the 1,1-diarylethanes generated from reactions of arylboronic acids containing electron-withdrawing groups are generated with typically less than 80% ee. These results are consistent with the rate of transmetalation with an arylboron nucleophile playing a key role in the enantioselectivity of these hydroarylation reactions. This mechanistic insight has led to the development of reactions of neo-pentylglycolate esters of arylboronic acids with vinylarenes that occur with higher enantioselectivities based on increased rates of transmetalation.
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Affiliation(s)
- Hai N Tran
- Department of Chemistry, Iowa State University, Ames, Iowa 50011, United States
| | - Russell W Burgett
- Department of Chemistry, Iowa State University, Ames, Iowa 50011, United States
| | - Levi M Stanley
- Department of Chemistry, Iowa State University, Ames, Iowa 50011, United States
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26
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Sankar R, Bhattacharya D, Arulananda Babu S. Synthesis of 1‐Naphthol‐based Unsymmetrical Triarylmethanes: Heck‐type Desulfitative Reaction of Arylsulfonyl Chlorides with Tetralone‐derived Chalcones. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202100016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Rathinam Sankar
- Department of Chemical Sciences Indian Institute of Science Education and Research (IISER) Mohali Knowledge City, Sector 81, SAS Nagar 140306 Mohali, Manauli P.O. Punjab India
| | - Debabrata Bhattacharya
- Department of Chemical Sciences Indian Institute of Science Education and Research (IISER) Mohali Knowledge City, Sector 81, SAS Nagar 140306 Mohali, Manauli P.O. Punjab India
| | - Srinivasarao Arulananda Babu
- Department of Chemical Sciences Indian Institute of Science Education and Research (IISER) Mohali Knowledge City, Sector 81, SAS Nagar 140306 Mohali, Manauli P.O. Punjab India
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27
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Kardile RD, Liu RS. Gold(I)-Catalyzed Reactions between 2-(1-Alkynyl)-2-alken-1-ones and Vinyldiazo Ketones for Divergent Synthesis of Nonsymmetric Heteroaryl-Substituted Triarylmethanes: N- versus C-Attack Paths. Org Lett 2020; 22:8229-8233. [DOI: 10.1021/acs.orglett.0c02765] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Rahul Dadabhau Kardile
- Frontier Research Center of Matter Science and Technology, Department of Chemistry, National Tsing Hua University, Hsinchu 30013, Taiwan, ROC
| | - Rai-Shung Liu
- Frontier Research Center of Matter Science and Technology, Department of Chemistry, National Tsing Hua University, Hsinchu 30013, Taiwan, ROC
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28
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Role of the DNA-Binding Protein pA104R in ASFV Genome Packaging and as a Novel Target for Vaccine and Drug Development. Vaccines (Basel) 2020; 8:vaccines8040585. [PMID: 33023005 PMCID: PMC7712801 DOI: 10.3390/vaccines8040585] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2020] [Revised: 09/30/2020] [Accepted: 10/01/2020] [Indexed: 12/23/2022] Open
Abstract
The recent incursions of African swine fever (ASF), a severe, highly contagious, transboundary viral disease that affects members of the Suidae family, in Europe and China have had a catastrophic impact on trade and pig production, with serious implications for global food security. Despite efforts made over past decades, there is no vaccine or treatment available for preventing and controlling the ASF virus (ASFV) infection, and there is an urgent need to develop novel strategies. Genome condensation and packaging are essential processes in the life cycle of viruses. The involvement of viral DNA-binding proteins in the regulation of virulence genes, transcription, DNA replication, and repair make them significant targets. pA104R is a highly conserved HU/IHF-like DNA-packaging protein identified in the ASFV nucleoid that appears to be profoundly involved in the spatial organization and packaging of the ASFV genome. Here, we briefly review the components of the ASFV packaging machinery, the structure, function, and phylogeny of pA104R, and its potential as a target for vaccine and drug development.
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29
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Access to Chiral Bisphenol Ligands (BPOL) through Desymmetrizing Asymmetric Ortho-Selective Halogenation. Chem 2020. [DOI: 10.1016/j.chempr.2020.01.009] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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30
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Rajendran C, Satishkumar G, Lang C, Gaigneaux EM. Alumina grafted SBA-15 sustainable bifunctional catalysts for direct cross-coupling of benzylic alcohols to diarylmethanes. Catal Sci Technol 2020. [DOI: 10.1039/d0cy00471e] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
AlSBA-15 catalysts possessing Brønsted acid and Lewis acid–base bifunctionalities catalyze the direct arylation of benzyl alcohols to diarylmethanes with an 85% product yield through C–O bond activation.
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Affiliation(s)
- Chandran Rajendran
- Advanced Materials and Catalysis Lab
- Department of Chemistry
- School of Advanced Sciences
- Vellore Institute of Technology
- Vellore-632014
| | - Govindaswamy Satishkumar
- Advanced Materials and Catalysis Lab
- Department of Chemistry
- School of Advanced Sciences
- Vellore Institute of Technology
- Vellore-632014
| | - Charlotte Lang
- Institute of Condensed Matter and Nanosciences
- UCLouvain
- 1348 Louvain-la-Neuve
- Belgium
| | - Eric M. Gaigneaux
- Institute of Condensed Matter and Nanosciences
- UCLouvain
- 1348 Louvain-la-Neuve
- Belgium
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31
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Jiao K, Liu D, Ma H, Qiu H, Fang P, Mei T. Nickel‐Catalyzed Electrochemical Reductive Relay Cross‐Coupling of Alkyl Halides to Aryl Halides. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201912753] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Ke‐Jin Jiao
- State Key Laboratory of Organometallic ChemistryCenter for Excellence in Molecular SynthesisShanghai Institute of Organic ChemistryUniversity of Chinese Academy of SciencesChinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
| | - Dong Liu
- State Key Laboratory of Organometallic ChemistryCenter for Excellence in Molecular SynthesisShanghai Institute of Organic ChemistryUniversity of Chinese Academy of SciencesChinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
| | - Hong‐Xing Ma
- State Key Laboratory of Organometallic ChemistryCenter for Excellence in Molecular SynthesisShanghai Institute of Organic ChemistryUniversity of Chinese Academy of SciencesChinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
- School of Chemistry and Chemical EngineeringYancheng Institute of Technology Yancheng 224051 China
| | - Hui Qiu
- State Key Laboratory of Organometallic ChemistryCenter for Excellence in Molecular SynthesisShanghai Institute of Organic ChemistryUniversity of Chinese Academy of SciencesChinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
| | - Ping Fang
- State Key Laboratory of Organometallic ChemistryCenter for Excellence in Molecular SynthesisShanghai Institute of Organic ChemistryUniversity of Chinese Academy of SciencesChinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
| | - Tian‐Sheng Mei
- State Key Laboratory of Organometallic ChemistryCenter for Excellence in Molecular SynthesisShanghai Institute of Organic ChemistryUniversity of Chinese Academy of SciencesChinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
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32
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Jiao K, Liu D, Ma H, Qiu H, Fang P, Mei T. Nickel‐Catalyzed Electrochemical Reductive Relay Cross‐Coupling of Alkyl Halides to Aryl Halides. Angew Chem Int Ed Engl 2019; 59:6520-6524. [DOI: 10.1002/anie.201912753] [Citation(s) in RCA: 98] [Impact Index Per Article: 19.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2019] [Indexed: 12/12/2022]
Affiliation(s)
- Ke‐Jin Jiao
- State Key Laboratory of Organometallic ChemistryCenter for Excellence in Molecular SynthesisShanghai Institute of Organic ChemistryUniversity of Chinese Academy of SciencesChinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
| | - Dong Liu
- State Key Laboratory of Organometallic ChemistryCenter for Excellence in Molecular SynthesisShanghai Institute of Organic ChemistryUniversity of Chinese Academy of SciencesChinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
| | - Hong‐Xing Ma
- State Key Laboratory of Organometallic ChemistryCenter for Excellence in Molecular SynthesisShanghai Institute of Organic ChemistryUniversity of Chinese Academy of SciencesChinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
- School of Chemistry and Chemical EngineeringYancheng Institute of Technology Yancheng 224051 China
| | - Hui Qiu
- State Key Laboratory of Organometallic ChemistryCenter for Excellence in Molecular SynthesisShanghai Institute of Organic ChemistryUniversity of Chinese Academy of SciencesChinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
| | - Ping Fang
- State Key Laboratory of Organometallic ChemistryCenter for Excellence in Molecular SynthesisShanghai Institute of Organic ChemistryUniversity of Chinese Academy of SciencesChinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
| | - Tian‐Sheng Mei
- State Key Laboratory of Organometallic ChemistryCenter for Excellence in Molecular SynthesisShanghai Institute of Organic ChemistryUniversity of Chinese Academy of SciencesChinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
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33
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Han C, Zhang Z, Xu S, Wang K, Chen K, Zhao J. Palladium-Catalyzed Hiyama Coupling of Benzylic Ammonium Salts via C–N Bond Cleavage. J Org Chem 2019; 84:16308-16313. [DOI: 10.1021/acs.joc.9b02554] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Chunyu Han
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, P.R. China
| | - Zhenming Zhang
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, P.R. China
| | - Silin Xu
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, P.R. China
| | - Kai Wang
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, P.R. China
| | - Kaiting Chen
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, P.R. China
| | - Junfeng Zhao
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, P.R. China
- School of Pharmaceutical Sciences, Guangzhou Medical University, Guangzhou 511436, Guangdong, P.R. China
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34
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Li Y, Cui Y, Zhu Y, Li W, Li S, Fang J, Xiao P, Han J, Yao W, Sun L, Jin N, Li X. Deletion of multiple genes induces virulence reduction of vaccinia virus Tiantan strain. Virus Res 2019; 276:197807. [PMID: 31707001 DOI: 10.1016/j.virusres.2019.197807] [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: 09/28/2019] [Revised: 11/06/2019] [Accepted: 11/06/2019] [Indexed: 12/01/2022]
Abstract
The purpose of this study was to knock out two non-essential gene fragments (TC7L-TK2L and TJ2R) related to virulence, immunomodulation, and host range in the vaccinia virus Tian Tan strain (VTT), and combining with double-label screening and exogenous screening marker knockout techniques to construct attenuated strains with multiple gene deletions(rVTT-TC-TJ). The shuttle plasmids pSK-TC and pSK-TJ were constructed by designing 2 pairs of recombinant arms, combined with poxvirus early and late complex strong promoter pE/L and exogenous screening marker enhanced green fluorescent protein(EGFP). The results showed that knocking out the two gene fragments does not affect the replication ability of the virus and displays a good genetic stability. Furthermore, a series of in vivo and in vitro experiments demonstrate that although virulence of rVTT-TC-TJ is attenuated significantly, high immunogenicity was maintained. These results support the potential development of rVTT-TC-TJ as a safe viral vector or vaccine.
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Affiliation(s)
- Yiquan Li
- Academician Workstation of Jilin Province, Changchun University of Chinese Medicine, Changchun 130021, PR China; Institute of Military Veterinary Medicine, Academy of Military Medical Science, Changchun 130122, PR China
| | - Yingli Cui
- Institute of Military Veterinary Medicine, Academy of Military Medical Science, Changchun 130122, PR China; Gynecology Oncology Department, Norman Bethune First Hospital, Jilin University, Changchun 130000, PR China
| | - Yilong Zhu
- Academician Workstation of Jilin Province, Changchun University of Chinese Medicine, Changchun 130021, PR China; Institute of Military Veterinary Medicine, Academy of Military Medical Science, Changchun 130122, PR China
| | - Wenjie Li
- Academician Workstation of Jilin Province, Changchun University of Chinese Medicine, Changchun 130021, PR China; Institute of Military Veterinary Medicine, Academy of Military Medical Science, Changchun 130122, PR China
| | - Shanzhi Li
- Academician Workstation of Jilin Province, Changchun University of Chinese Medicine, Changchun 130021, PR China; Institute of Military Veterinary Medicine, Academy of Military Medical Science, Changchun 130122, PR China
| | - Jinbo Fang
- Academician Workstation of Jilin Province, Changchun University of Chinese Medicine, Changchun 130021, PR China; Institute of Military Veterinary Medicine, Academy of Military Medical Science, Changchun 130122, PR China
| | - Pengpeng Xiao
- Institute of Military Veterinary Medicine, Academy of Military Medical Science, Changchun 130122, PR China; Institute of Virology, Wenzhou University, Wenzhou 325035, PR China
| | - Jicheng Han
- Academician Workstation of Jilin Province, Changchun University of Chinese Medicine, Changchun 130021, PR China; Institute of Military Veterinary Medicine, Academy of Military Medical Science, Changchun 130122, PR China
| | - Wei Yao
- Center for Disease Control and Prevention, Agency for Offices Administration, Central Military Commission, Beijing 100082, PR China
| | - Lili Sun
- Institute of Military Veterinary Medicine, Academy of Military Medical Science, Changchun 130122, PR China; Department of Head and Neck Surgery, Tumor Hospital of Jilin Province, Changchun 130012, PR China.
| | - Ningyi Jin
- Academician Workstation of Jilin Province, Changchun University of Chinese Medicine, Changchun 130021, PR China; Institute of Military Veterinary Medicine, Academy of Military Medical Science, Changchun 130122, PR China; Institute of Virology, Wenzhou University, Wenzhou 325035, PR China; Jiang su Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou 225009, PR China.
| | - Xiao Li
- Academician Workstation of Jilin Province, Changchun University of Chinese Medicine, Changchun 130021, PR China; Institute of Military Veterinary Medicine, Academy of Military Medical Science, Changchun 130122, PR China; Jiang su Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou 225009, PR China.
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35
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Zhang Z, Liu S, Widenhoefer RA. Kinetics and Mechanism of the Platinum(II)‐Catalyzed Hydroarylation of Vinyl Arenes with 1,2‐Dimethylindole. Isr J Chem 2019. [DOI: 10.1002/ijch.201900065] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Zhibin Zhang
- French Family Science CenterDuke University Durham NC 27708-0346
| | - Scott Liu
- French Family Science CenterDuke University Durham NC 27708-0346
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36
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Guan XK, Zhang H, Gao JG, Sun DY, Qin XS, Jiang GF, Zhang GL, Zhang S. Asymmetric Synthesis of 1,1,1-Triarylethanes by Chiral Imidodiphosphoric Acid Catalyzed Nucleophilic Addition of Pyrrole and Indoles to 3-Vinylindoles. J Org Chem 2019; 84:12562-12572. [DOI: 10.1021/acs.joc.9b02024] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Xu-Kai Guan
- College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun 130012, China
| | - Heng Zhang
- College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun 130012, China
| | - Ji-Gang Gao
- College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun 130012, China
| | - Dong-Yang Sun
- College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun 130012, China
| | - Xiang-Shuo Qin
- College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun 130012, China
| | - Guo-Feng Jiang
- College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun 130012, China
| | - Guang-Liang Zhang
- College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun 130012, China
| | - Suoqin Zhang
- College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun 130012, China
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37
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Cheng X, Lu H, Lu Z. Enantioselective benzylic C-H arylation via photoredox and nickel dual catalysis. Nat Commun 2019; 10:3549. [PMID: 31391466 PMCID: PMC6685991 DOI: 10.1038/s41467-019-11392-6] [Citation(s) in RCA: 119] [Impact Index Per Article: 23.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2019] [Accepted: 07/04/2019] [Indexed: 12/21/2022] Open
Abstract
The asymmetric cross-coupling reaction is developed as a straightforward strategy toward 1,1-diaryl alkanes, which are a key skeleton in a series of natural products and bioactive molecules in recent years. Here we report an enantioselective benzylic C(sp3)−H bond arylation via photoredox/nickel dual catalysis. Sterically hindered chiral biimidazoline ligands are designed for this asymmetric cross-coupling reaction. Readily available alkyl benzenes and aryl bromides with various functional groups tolerance can be easily and directly transferred to useful chiral 1,1-diaryl alkanes including pharmaceutical intermediates and bioactive molecules. This reaction proceeds smoothly under mild conditions without the use of external redox reagents. Chiral 1,1-diaryl alkanes are important targets in pharmaceutical industry. Here, the authors report report a redox-neutral enantioselective benzylic C−H bond arylation via photoredox/nickel dual catalysis accessing chiral 1,1-diarylalkane compounds under mild conditions.
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Affiliation(s)
- Xiaokai Cheng
- Department of Chemistry, Zhejiang University, 310058, Hangzhou, China
| | - Huangzhe Lu
- Department of Chemistry, Zhejiang University, 310058, Hangzhou, China
| | - Zhan Lu
- Department of Chemistry, Zhejiang University, 310058, Hangzhou, China.
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38
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Zhang B, Liu L, Mao S, Zhou MD, Wang H, Li L. Base-Catalyzed 1,6-Hydrophosphonylation of p
-Quinone Methides with Diphenylphosphane Oxide/Phosphites. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900606] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Bin Zhang
- School of Chemistry and Materials Science; Liaoning Shihua University; Dandong Road 1, Fushun 113001 P. R. China
| | - Lu Liu
- School of Chemistry and Materials Science; Liaoning Shihua University; Dandong Road 1, Fushun 113001 P. R. China
| | - Shukuan Mao
- School of Chemistry and Materials Science; Liaoning Shihua University; Dandong Road 1, Fushun 113001 P. R. China
| | - Ming-Dong Zhou
- School of Chemistry and Materials Science; Liaoning Shihua University; Dandong Road 1, Fushun 113001 P. R. China
| | - He Wang
- School of Chemistry and Materials Science; Liaoning Shihua University; Dandong Road 1, Fushun 113001 P. R. China
| | - Lei Li
- School of Chemistry and Materials Science; Liaoning Shihua University; Dandong Road 1, Fushun 113001 P. R. China
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39
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Kisiel K, Brześkiewicz J, Loska R, Mąkosza M. Transition Metal Free Nucleophilic Benzylation of Nitroarenes. Umpolung of the Friedel Crafts Reaction. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201801715] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Kacper Kisiel
- Institute of Organic ChemistryPolish Academy of Sciences Kasprzaka 44/52 01-224 Warsaw Poland
| | - Jakub Brześkiewicz
- Institute of Organic ChemistryPolish Academy of Sciences Kasprzaka 44/52 01-224 Warsaw Poland
| | - Rafał Loska
- Institute of Organic ChemistryPolish Academy of Sciences Kasprzaka 44/52 01-224 Warsaw Poland
| | - Mieczysław Mąkosza
- Institute of Organic ChemistryPolish Academy of Sciences Kasprzaka 44/52 01-224 Warsaw Poland
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40
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Chen YG, Shuai B, Xu XT, Li YQ, Yang QL, Qiu H, Zhang K, Fang P, Mei TS. Nickel-catalyzed Enantioselective Hydroarylation and Hydroalkenylation of Styrenes. J Am Chem Soc 2019; 141:3395-3399. [PMID: 30741543 DOI: 10.1021/jacs.8b13524] [Citation(s) in RCA: 107] [Impact Index Per Article: 21.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
We have developed a Ni-catalyzed enantioselective hydroarylation of styrenes with arylboronic acids using MeOH as the hydrogen source, providing an efficient method to access 1,1-diarylalkanes, which are essential structural units in many biologically active compounds. In addition, Ni-catalyzed enantioselective hydrovinylation of styrenes with vinylboronic acids is also realized with good yields and enantioselectivities. The synthetic utility was demonstrated by the efficient synthesis of ( R)-(-)-ibuprofen.
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Affiliation(s)
- Yue-Gang Chen
- 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
| | - Bin Shuai
- 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
| | - Xue-Tao Xu
- School of Biotechnology and Health Sciences , Wuyi University , Jiangmen 529020 , China
| | - Yi-Qian Li
- School of Biotechnology and Health Sciences , Wuyi University , Jiangmen 529020 , China
| | - Qi-Liang Yang
- 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
| | - Hui Qiu
- 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
| | - Kun Zhang
- School of Biotechnology and Health Sciences , Wuyi University , Jiangmen 529020 , China
| | - Ping Fang
- 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
| | - Tian-Sheng Mei
- 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
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41
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Wang T, Guo J, Wang X, Guo H, Jia D, Wang H, Liu L. Cross coupling of benzylammonium salts with boronic acids using a well-defined N-heterocyclic carbene–palladium(ii) precatalyst. RSC Adv 2019; 9:5738-5741. [PMID: 35515917 PMCID: PMC9060798 DOI: 10.1039/c8ra10439e] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2018] [Accepted: 02/11/2019] [Indexed: 11/25/2022] Open
Abstract
N-heterocyclic carbene–palladium(ii)-catalyzed cross-coupling of benzylammonium salts with arylboronic acids for the synthesis of diarylmethane derivatives via C–N bond activation has been developed. Notably, in the presence of the easily prepared and bench-stable Pd-PEPPSI precatalyst, the Csp3–N bond activation of the benzylammonium salt even proceeded smoothly in isopropanol at room temperature. N-heterocyclic carbene–palladium(ii)-catalyzed cross-coupling of benzylammonium salts with arylboronic acids for the synthesis of diarylmethane derivatives via C–N bond activation has been developed.![]()
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Affiliation(s)
- Tao Wang
- Henan Engineering Laboratory of Green Synthesis for Pharmaceuticals
- School of Chemistry and Chemical Engineering
- Shangqiu Normal University
- Shangqiu
- People's Republic of China
| | - Jiarui Guo
- Henan Engineering Laboratory of Green Synthesis for Pharmaceuticals
- School of Chemistry and Chemical Engineering
- Shangqiu Normal University
- Shangqiu
- People's Republic of China
| | - Xiaojuan Wang
- Henan Engineering Laboratory of Green Synthesis for Pharmaceuticals
- School of Chemistry and Chemical Engineering
- Shangqiu Normal University
- Shangqiu
- People's Republic of China
| | - Han Guo
- Henan Engineering Laboratory of Green Synthesis for Pharmaceuticals
- School of Chemistry and Chemical Engineering
- Shangqiu Normal University
- Shangqiu
- People's Republic of China
| | - Dingli Jia
- Henan Engineering Laboratory of Green Synthesis for Pharmaceuticals
- School of Chemistry and Chemical Engineering
- Shangqiu Normal University
- Shangqiu
- People's Republic of China
| | - Hengjin Wang
- Henan Engineering Laboratory of Green Synthesis for Pharmaceuticals
- School of Chemistry and Chemical Engineering
- Shangqiu Normal University
- Shangqiu
- People's Republic of China
| | - Lantao Liu
- Henan Engineering Laboratory of Green Synthesis for Pharmaceuticals
- School of Chemistry and Chemical Engineering
- Shangqiu Normal University
- Shangqiu
- People's Republic of China
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42
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Tang RJ, Milcent T, Crousse B. Bisulfate Salt-Catalyzed Friedel-Crafts Benzylation of Arenes with Benzylic Alcohols. J Org Chem 2018; 83:14001-14009. [PMID: 30378425 DOI: 10.1021/acs.joc.8b02361] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
We report here a method of direct Friedel-Crafts benzylation of arenes with benzylic alcohols using cheap and readily available bisulfate salt as the catalyst in hexafluoroisopropanol. The catalytic system is powerful with a quite diverse group of functionalized arenes and benzylic alcohols. These mild conditions provide a straightforward synthesis of a variety of unsymmetrical diarylmethanes in high yield with good to high regioselectivity. An SN1 mechanism involving activation of the hydroxy group through a hydrogen bond is proposed.
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Affiliation(s)
- Ren-Jin Tang
- Faculty of Pharmacy, UMR 8076, BioCIS, Univ. Paris-Sud, CNRS , University Paris-Saclay , 92290 Châtenay-Malabry , France
| | - Thierry Milcent
- Faculty of Pharmacy, UMR 8076, BioCIS, Univ. Paris-Sud, CNRS , University Paris-Saclay , 92290 Châtenay-Malabry , France
| | - Benoit Crousse
- Faculty of Pharmacy, UMR 8076, BioCIS, Univ. Paris-Sud, CNRS , University Paris-Saclay , 92290 Châtenay-Malabry , France
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43
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Sai M. An Efficient Ga(OTf)3/Isopropanol Catalytic System for Direct Reduction of Benzylic Alcohols. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201801135] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Masahiro Sai
- Research Foundation ITSUU Laboratory; C1232 Kanagawa Science Park R & D Building, 3-2-1 Sakado, Takatsu-ku, Kawasaki; Kanagawa 213-0012 Japan
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44
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Pan WJ, Wang ZX. Palladium-Catalyzed C−H Benzylation of (Benzo)oxazoles with Benzylic Quaternary Ammonium Triflates. ASIAN J ORG CHEM 2018. [DOI: 10.1002/ajoc.201800264] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Wen-Jing Pan
- CAS Key Laboratory of Soft Matter Chemistry, and Department of Chemistry; University of Science and Technology of China; Hefei Anhui 230026 P.R. China
| | - Zhong-Xia Wang
- CAS Key Laboratory of Soft Matter Chemistry, and Department of Chemistry; University of Science and Technology of China; Hefei Anhui 230026 P.R. China
- Collaborative Innovation Center of Chemical Science, and Engineering (Tianjin); Tianjin 300072 P.R. China
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45
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Li TR, Maliszewski ML, Xiao WJ, Tunge JA. Stereospecific Decarboxylative Benzylation of Enolates: Development and Mechanistic Insight. Org Lett 2018. [PMID: 29533071 DOI: 10.1021/acs.orglett.8b00169] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A palladium-catalyzed decarboxylative coupling of enol carbonates with diarylmethyl electrophiles that are derived from secondary benzylic alcohols has been developed. This method allows the generation of a variety of β-diaryl ketones through an efficient and highly stereospecific coupling. In addition, detailed mechanistic insight into the coupling suggests that the reaction is a rare example of an intramolecular decarboxylative coupling that proceeds without crossover between reactants.
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Affiliation(s)
- Tian-Ren Li
- Department of Chemistry , The University of Kansas , 2010 Malott Hall, 1251 Wescoe Hall Drive , Lawrence , Kansas 66045 , United States.,The KU Chemical Methodologies and Library Development Center of Excellence , 2034 Becker Drive , Lawrence , Kansas 66047 , United States.,Key Laboratory of Pesticide & Chemical Biology Ministry of Education, College of Chemistry , Central China Normal University , 152 Luoyu Road , Wuhan , Hubei 430079 , China
| | - Mary L Maliszewski
- Department of Chemistry , The University of Kansas , 2010 Malott Hall, 1251 Wescoe Hall Drive , Lawrence , Kansas 66045 , United States.,The KU Chemical Methodologies and Library Development Center of Excellence , 2034 Becker Drive , Lawrence , Kansas 66047 , United States
| | - Wen-Jing Xiao
- Key Laboratory of Pesticide & Chemical Biology Ministry of Education, College of Chemistry , Central China Normal University , 152 Luoyu Road , Wuhan , Hubei 430079 , China
| | - Jon A Tunge
- Department of Chemistry , The University of Kansas , 2010 Malott Hall, 1251 Wescoe Hall Drive , Lawrence , Kansas 66045 , United States.,The KU Chemical Methodologies and Library Development Center of Excellence , 2034 Becker Drive , Lawrence , Kansas 66047 , United States
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46
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Tao L, Wang J, Zeng J, Gao GL, Yang C, Xia W. UV light-mediated decarboxylative cross-Coupling reaction of aryl acetic acids. J Photochem Photobiol A Chem 2018. [DOI: 10.1016/j.jphotochem.2017.08.044] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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47
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Affiliation(s)
- Wengang Xu
- Division of Chemistry and
Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore
| | - Naohiko Yoshikai
- Division of Chemistry and
Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore
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48
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Xiao LJ, Cheng L, Feng WM, Li ML, Xie JH, Zhou QL. Nickel(0)-Catalyzed Hydroarylation of Styrenes and 1,3-Dienes with Organoboron Compounds. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201710735] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Li-Jun Xiao
- State Key Laboratory and Institute of Elemento-organic Chemistry; College of Chemistry; Nankai University; Tianjin 300071 China
| | - Lei Cheng
- State Key Laboratory and Institute of Elemento-organic Chemistry; College of Chemistry; Nankai University; Tianjin 300071 China
| | - Wei-Min Feng
- State Key Laboratory and Institute of Elemento-organic Chemistry; College of Chemistry; Nankai University; Tianjin 300071 China
| | - Mao-Lin Li
- State Key Laboratory and Institute of Elemento-organic Chemistry; College of Chemistry; Nankai University; Tianjin 300071 China
| | - Jian-Hua Xie
- State Key Laboratory and Institute of Elemento-organic Chemistry; College of Chemistry; Nankai University; Tianjin 300071 China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin); Tianjin 300071 China
| | - Qi-Lin Zhou
- State Key Laboratory and Institute of Elemento-organic Chemistry; College of Chemistry; Nankai University; Tianjin 300071 China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin); Tianjin 300071 China
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49
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Xiao LJ, Cheng L, Feng WM, Li ML, Xie JH, Zhou QL. Nickel(0)-Catalyzed Hydroarylation of Styrenes and 1,3-Dienes with Organoboron Compounds. Angew Chem Int Ed Engl 2017; 57:461-464. [DOI: 10.1002/anie.201710735] [Citation(s) in RCA: 122] [Impact Index Per Article: 17.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2017] [Indexed: 12/11/2022]
Affiliation(s)
- Li-Jun Xiao
- State Key Laboratory and Institute of Elemento-organic Chemistry; College of Chemistry; Nankai University; Tianjin 300071 China
| | - Lei Cheng
- State Key Laboratory and Institute of Elemento-organic Chemistry; College of Chemistry; Nankai University; Tianjin 300071 China
| | - Wei-Min Feng
- State Key Laboratory and Institute of Elemento-organic Chemistry; College of Chemistry; Nankai University; Tianjin 300071 China
| | - Mao-Lin Li
- State Key Laboratory and Institute of Elemento-organic Chemistry; College of Chemistry; Nankai University; Tianjin 300071 China
| | - Jian-Hua Xie
- State Key Laboratory and Institute of Elemento-organic Chemistry; College of Chemistry; Nankai University; Tianjin 300071 China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin); Tianjin 300071 China
| | - Qi-Lin Zhou
- State Key Laboratory and Institute of Elemento-organic Chemistry; College of Chemistry; Nankai University; Tianjin 300071 China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin); Tianjin 300071 China
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50
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Chinn AJ, Kim B, Kwon Y, Miller SJ. Enantioselective Intermolecular C-O Bond Formation in the Desymmetrization of Diarylmethines Employing a Guanidinylated Peptide-Based Catalyst. J Am Chem Soc 2017; 139:18107-18114. [PMID: 29116792 DOI: 10.1021/jacs.7b11197] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
We report a series of enantioselective C-O bond cross-coupling reactions based on remote symmetry breaking processes in diarylmethine substrates. The key to the chemistry is multifunctional guanidinylated peptide-based ligands that allow highly selective, intermolecular Cu-catalyzed cross-coupling of phenolic nucleophiles. The scope of the process is explored, demonstrating efficiency for substrates with a range of electronic and steric perturbations to the nucleophile. Scope and limitations are also reported for variation of the diarylmethine. While the presence of an intervening tBu group is found to be optimal for maximum enantioselectivity, several other substituents may also be present such that appreciable selectivity can be achieved, providing an uncommon level of scope for diarylmethine desymmetrizations. In addition, chemoselective reactions are possible when there are phenolic hydroxyl groups within substrates that contain a second reactive site, setting the stage for applications in diverse complex molecular settings.
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Affiliation(s)
- Alex J Chinn
- Department of Chemistry, Yale University , P.O. Box 208107, New Haven, Connecticut 06520-8107, United States
| | - Byoungmoo Kim
- Department of Chemistry, Yale University , P.O. Box 208107, New Haven, Connecticut 06520-8107, United States
| | - Yongseok Kwon
- Department of Chemistry, Yale University , P.O. Box 208107, New Haven, Connecticut 06520-8107, United States
| | - Scott J Miller
- Department of Chemistry, Yale University , P.O. Box 208107, New Haven, Connecticut 06520-8107, United States
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