1
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Chen C, Chen Y, Han Z, Huang Y, Wang Y, Tao X, Wang L, Chen X, Long R, Yang Y, Zhu W, Zhou B. Switchable Regioselective C-H Activation/Annulation of Acrylamides with Alkynes for the Synthesis of 2-Pyridones. CHEMSUSCHEM 2024:e202400066. [PMID: 38656829 DOI: 10.1002/cssc.202400066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Revised: 04/23/2024] [Accepted: 04/24/2024] [Indexed: 04/26/2024]
Abstract
A catalyst-based switchable regioselective C-H activation/annulation of acrylamides with propargyl carbonates has been developed, delivering C5 or C6 alkenyl substituted 2-pyridones. This robust protocol proceeds with a broad substrate scope and good functional group tolerance under redox-neutral reaction conditions. More significantly, this reaction is highly effective with previously challenging unsymmetrical alkynes, including unbiased alkyl-alkyl substituted alkynes, with perfect and switchable regioselectivity. Additionally, mechanistic studies and DFT calculations were performed to shed light on the switchable regioselectivity.
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Affiliation(s)
- Chao Chen
- Department of Medicinal Chemistry, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zu Chong Zhi Road, Shanghai, 201203, China
- Shandong Laboratory of Yantai Drug Discovery, Bohai Rim Advanced Research Institute for Drug Discovery, Yantai, Shandong, 264117, China
| | - Yanni Chen
- Department of Medicinal Chemistry, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zu Chong Zhi Road, Shanghai, 201203, China
| | - Zijian Han
- State Key Laboratory of Drug Research, Drug Discovery and Design Center, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
- University of Chinese Academy of Sciences, 19 Yuquan Road, Beijing, 100049, China
| | - Yujie Huang
- School of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Yujiao Wang
- School of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Xiuyu Tao
- School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, 310024, China
- University of Chinese Academy of Sciences, 19 Yuquan Road, Beijing, 100049, China
| | - Lan Wang
- School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, 310024, China
- University of Chinese Academy of Sciences, 19 Yuquan Road, Beijing, 100049, China
| | - Xiangli Chen
- School of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Ruikai Long
- School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, 310024, China
- University of Chinese Academy of Sciences, 19 Yuquan Road, Beijing, 100049, China
| | - Yaxi Yang
- School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, 310024, China
- Department of Medicinal Chemistry, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zu Chong Zhi Road, Shanghai, 201203, China
- Shandong Laboratory of Yantai Drug Discovery, Bohai Rim Advanced Research Institute for Drug Discovery, Yantai, Shandong, 264117, China
- University of Chinese Academy of Sciences, 19 Yuquan Road, Beijing, 100049, China
| | - Weiliang Zhu
- State Key Laboratory of Drug Research, Drug Discovery and Design Center, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
- University of Chinese Academy of Sciences, 19 Yuquan Road, Beijing, 100049, China
| | - Bing Zhou
- School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, 310024, China
- Department of Medicinal Chemistry, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zu Chong Zhi Road, Shanghai, 201203, China
- Shandong Laboratory of Yantai Drug Discovery, Bohai Rim Advanced Research Institute for Drug Discovery, Yantai, Shandong, 264117, China
- School of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, 210023, China
- University of Chinese Academy of Sciences, 19 Yuquan Road, Beijing, 100049, China
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2
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Zhang FP, Wang RH, Li JF, Chen H, Hari Babu M, Ye M. Intermolecular Carbophosphination of Alkynes with Phosphole Oxides via Ni-Al Bimetal-Catalyzed C-P Bond Activation. Angew Chem Int Ed Engl 2023; 62:e202314701. [PMID: 37846814 DOI: 10.1002/anie.202314701] [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: 09/30/2023] [Revised: 10/15/2023] [Accepted: 10/17/2023] [Indexed: 10/18/2023]
Abstract
Intermolecular carbophosphination reaction of alkynes or alkenes with unreactive C-P bonds remains an elusive challenge. Herein, we used a Ni-Al bimetallic catalyst to realize an intermolecular carbophosphination reaction of alkynes with 5-membered phosphole oxides, providing a series of 7-membered phosphepines in up to 94 % yield.
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Affiliation(s)
- Feng-Ping Zhang
- State Key Laboratory of Elemento-Organic Chemistry, College of Chemistry, Haihe Laboratory of Sustainable Chemical Transformations, Frontiers Science Center for New Organic Matter, Nankai University, Tianjin, 300071, China
| | - Rong-Hua Wang
- State Key Laboratory of Elemento-Organic Chemistry, College of Chemistry, Haihe Laboratory of Sustainable Chemical Transformations, Frontiers Science Center for New Organic Matter, Nankai University, Tianjin, 300071, China
| | - Jiang-Fei Li
- State Key Laboratory of Elemento-Organic Chemistry, College of Chemistry, Haihe Laboratory of Sustainable Chemical Transformations, Frontiers Science Center for New Organic Matter, Nankai University, Tianjin, 300071, China
| | - Hao Chen
- State Key Laboratory of Elemento-Organic Chemistry, College of Chemistry, Haihe Laboratory of Sustainable Chemical Transformations, Frontiers Science Center for New Organic Matter, Nankai University, Tianjin, 300071, China
| | - Madala Hari Babu
- State Key Laboratory of Elemento-Organic Chemistry, College of Chemistry, Haihe Laboratory of Sustainable Chemical Transformations, Frontiers Science Center for New Organic Matter, Nankai University, Tianjin, 300071, China
| | - Mengchun Ye
- State Key Laboratory of Elemento-Organic Chemistry, College of Chemistry, Haihe Laboratory of Sustainable Chemical Transformations, Frontiers Science Center for New Organic Matter, Nankai University, Tianjin, 300071, China
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3
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Yang F, Zhou P, Huang Z, Liao J, Huang G, Liang T, Zhang Z. Ruthenium(II)-Catalyzed Remote C-H Sulfonylation of 2-Pyridones. Org Lett 2023; 25:5779-5783. [PMID: 37498216 DOI: 10.1021/acs.orglett.3c02004] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/28/2023]
Abstract
Herein, a ruthenium-mediated remote C-H mono- and disulfonylation of 2-pyridones with arylsulfonyl chlorides is developed. The catalytic system consisting of a [Ru(p-cymene)Cl2]2 catalyst and KOAc additive allows 2-pyridones to undergo C3,C5-disulfonylation in 1,4-dioxane, and C5-sulfonylation when the C3-position of 2-pyridones is blocked. The successful transformation of the products and late-stage modification of estrone further highlighted the potential utility and significance of this synthetic protocol. Preliminary mechanistic studies indicated that the remote regioselectivity might be dictated via chelation-assisted ruthenation.
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Affiliation(s)
- Fengqi Yang
- Guangxi Key Laboratory of Electrochemical Energy Materials, Guangxi Colleges and Universities Key Laboratory of Applied Chemistry Technology and Resource Development, School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, P. R. China
| | - Pengfei Zhou
- Guangxi Key Laboratory of Electrochemical Energy Materials, Guangxi Colleges and Universities Key Laboratory of Applied Chemistry Technology and Resource Development, School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, P. R. China
| | - Zeng Huang
- Guangxi Key Laboratory of Electrochemical Energy Materials, Guangxi Colleges and Universities Key Laboratory of Applied Chemistry Technology and Resource Development, School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, P. R. China
| | - Junqiu Liao
- Guangxi Key Laboratory of Electrochemical Energy Materials, Guangxi Colleges and Universities Key Laboratory of Applied Chemistry Technology and Resource Development, School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, P. R. China
| | - Guan Huang
- Guangxi Key Laboratory of Electrochemical Energy Materials, Guangxi Colleges and Universities Key Laboratory of Applied Chemistry Technology and Resource Development, School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, P. R. China
| | - Taoyuan Liang
- Guangxi Key Laboratory of Electrochemical Energy Materials, Guangxi Colleges and Universities Key Laboratory of Applied Chemistry Technology and Resource Development, School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, P. R. China
| | - Zhuan Zhang
- Guangxi Key Laboratory of Electrochemical Energy Materials, Guangxi Colleges and Universities Key Laboratory of Applied Chemistry Technology and Resource Development, School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, P. R. China
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4
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Gao R, Xu X, Wu Z, Xu L, Kuang H, Xu C. The potential of converting carbon dioxide to food compounds via asymmetric catalysis. NANOSCALE ADVANCES 2023; 5:2865-2872. [PMID: 37260504 PMCID: PMC10228361 DOI: 10.1039/d3na00178d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Accepted: 05/04/2023] [Indexed: 06/02/2023]
Abstract
The food crisis caused by diminished arable land, extreme weather and climate change linked to increased carbon dioxide (CO2) emission, is threatening global population growth. Interestingly, CO2, the most widespread carbon source, can be converted into food ingredients. Here, we briefly discuss the progress and challenges in catalytic conversion of CO2 to food ingredients via chiral catalysis.
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Affiliation(s)
- Rui Gao
- International Joint Research Laboratory for Biointerface and Biodetection, Jiangnan University Wuxi Jiangsu 214122 PRC
- State Key Laboratory of Food Science and Technology, Jiangnan University Jiangsu PRC
| | - Xinxin Xu
- International Joint Research Laboratory for Biointerface and Biodetection, Jiangnan University Wuxi Jiangsu 214122 PRC
- State Key Laboratory of Food Science and Technology, Jiangnan University Jiangsu PRC
| | - Zhimeng Wu
- The Key Laboratory of Carbohydrate Chemistry & Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University Wuxi Jiangsu 214122 PRC
| | - Liguang Xu
- International Joint Research Laboratory for Biointerface and Biodetection, Jiangnan University Wuxi Jiangsu 214122 PRC
- State Key Laboratory of Food Science and Technology, Jiangnan University Jiangsu PRC
- The Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University Wuxi Jiangsu 214122 PRC
| | - Hua Kuang
- International Joint Research Laboratory for Biointerface and Biodetection, Jiangnan University Wuxi Jiangsu 214122 PRC
- State Key Laboratory of Food Science and Technology, Jiangnan University Jiangsu PRC
| | - Chuanlai Xu
- International Joint Research Laboratory for Biointerface and Biodetection, Jiangnan University Wuxi Jiangsu 214122 PRC
- State Key Laboratory of Food Science and Technology, Jiangnan University Jiangsu PRC
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5
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Liu G, Wang L, Zhou Y, Zhou J, Zhang L. Computational Study on Ni−Al Bimetal‐Catalyzed Twofold C−H Annulation Reaction: Mechanism, Origin of Selectivity, and Role of SPO Ligand. ASIAN J ORG CHEM 2023. [DOI: 10.1002/ajoc.202300057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/07/2023]
Affiliation(s)
- Guixian Liu
- Tianjin Engineering Technology Center of Chemical Wastewater Source Reduction and Recycling School of Science Tianjin Chengjian University Tianjin 300384 P. R. China
| | - Ling‐Ling Wang
- Tianjin Engineering Technology Center of Chemical Wastewater Source Reduction and Recycling School of Science Tianjin Chengjian University Tianjin 300384 P. R. China
| | - Yongzhu Zhou
- Tianjin Engineering Technology Center of Chemical Wastewater Source Reduction and Recycling School of Science Tianjin Chengjian University Tianjin 300384 P. R. China
- School of Chemical Engineering and Technology Tianjin University Tianjin 300072 P. R. China
| | - Jianguo Zhou
- Tianjin Engineering Technology Center of Chemical Wastewater Source Reduction and Recycling School of Science Tianjin Chengjian University Tianjin 300384 P. R. China
| | - Lei Zhang
- Tianjin Engineering Technology Center of Chemical Wastewater Source Reduction and Recycling School of Science Tianjin Chengjian University Tianjin 300384 P. R. China
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6
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Saito Y, Kikuchi J, Wang C, Yoshikai N. Site-Selective C-H Alkenylation of N-Heteroarenes by Ligand-Directed Co/Al and Co/Mg Cooperative Catalysis. Angew Chem Int Ed Engl 2023; 62:e202301006. [PMID: 36855924 DOI: 10.1002/anie.202301006] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Revised: 02/18/2023] [Accepted: 02/27/2023] [Indexed: 03/02/2023]
Abstract
We report herein the design and development of Co/Al and Co/Mg bimetallic catalysts, supported by a phosphine/secondary phosphine oxide (PSPO) bifunctional ligand, for the site-selective C-H alkenylation of nitrogen-containing heteroarenes with alkynes. These catalysts enable the alkenylation of pyridine, pyridone, and imidazo[1,2-a]pyridine derivatives at the C-H site proximal to the Lewis basic nitrogen or oxygen atom, which represents a selectivity profile distinct from that of the previously developed cobalt-diphosphine/aluminum catalyst. The alkenylated products were obtained in moderate to good yields using various heterocycles and differently substituted internal alkynes. Kinetic isotope effect experiments suggest the irreversibility of the C-H activation step, the relevance of which to the rate-limiting step depends on the reaction conditions. Density functional theory calculations indicate that ligand-to-ligand hydrogen transfer is the common mechanism of C-H activation.
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Affiliation(s)
- Yuri Saito
- Graduate School of Pharmaceutical Sciences, Tohoku University, 6-3 Aoba, Aramaki, Sendai, 980-8578, Japan
| | - Jun Kikuchi
- Graduate School of Pharmaceutical Sciences, Tohoku University, 6-3 Aoba, Aramaki, Sendai, 980-8578, Japan
| | - Chen Wang
- Zhejiang Key Laboratory of Alternative Technologies for Fine Chemical Process, Shaoxing University, Shaoxing, 312000, P. R. China
| | - Naohiko Yoshikai
- Graduate School of Pharmaceutical Sciences, Tohoku University, 6-3 Aoba, Aramaki, Sendai, 980-8578, Japan
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7
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Ni-catalyzed benzylic β-C(sp 3)-H bond activation of formamides. Nat Commun 2022; 13:7892. [PMID: 36550165 PMCID: PMC9780214 DOI: 10.1038/s41467-022-35541-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Accepted: 12/09/2022] [Indexed: 12/24/2022] Open
Abstract
The development of transition metal-catalyzed β-C-H bond activation via highly-strained 4-membered metallacycles has been a formidable task. So far, only scarce examples have been reported to undergo β-C-H bond activation via 4-membered metallacycles, and all of them rely on precious metals. In contrast, earth-abundant and inexpensive 3d transition metal-catalyzed β-C-H bond activation via 4-membered metallacycles still remains an elusive challenge. Herein, we report a phosphine oxide-ligated Ni-Al bimetallic catalyst to activate secondary benzylic C(sp3)-H bonds of formamides via 4-membered nickelacycles, providing a series of α,β-unsaturated γ-lactams in up to 97% yield.
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8
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Zhang Y, Ni Q, Pan B, Jiang L, Qiu L. Development of sterically hindered SPOs and enantioselective Ni−Al bimetallic catalyzed C−H cyclization of 4-oxoquinazolines with tethered alkenes. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2022.108017] [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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9
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Wang Y, Zhang F, Chen H, Li Y, Li J, Ye M. Enantioselective Nickel‐Catalyzed C(sp
3
)−H Activation of Formamides. Angew Chem Int Ed Engl 2022; 61:e202209625. [DOI: 10.1002/anie.202209625] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Indexed: 11/11/2022]
Affiliation(s)
- Yin‐Xia Wang
- State Key Laboratory and Institute of Elemento-Organic Chemistry College of Chemistry Haihe Laboratory of Sustainable Chemical Transformations Nankai University Tianjin 300071 China
- Luoyang Institute of Science and Technology Luoyang, Henan Province 471023 China
| | - Feng‐Ping Zhang
- State Key Laboratory and Institute of Elemento-Organic Chemistry College of Chemistry Haihe Laboratory of Sustainable Chemical Transformations Nankai University Tianjin 300071 China
| | - Hao Chen
- State Key Laboratory and Institute of Elemento-Organic Chemistry College of Chemistry Haihe Laboratory of Sustainable Chemical Transformations Nankai University Tianjin 300071 China
| | - Yue Li
- State Key Laboratory and Institute of Elemento-Organic Chemistry College of Chemistry Haihe Laboratory of Sustainable Chemical Transformations Nankai University Tianjin 300071 China
| | - Jiang‐Fei Li
- State Key Laboratory and Institute of Elemento-Organic Chemistry College of Chemistry Haihe Laboratory of Sustainable Chemical Transformations Nankai University Tianjin 300071 China
| | - Mengchun Ye
- State Key Laboratory and Institute of Elemento-Organic Chemistry College of Chemistry Haihe Laboratory of Sustainable Chemical Transformations Nankai University Tianjin 300071 China
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10
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Wang YX, Zhang FP, Chen H, Li Y, Li JF, Ye M. Enantioselective Nickel‐Catalyzed C(sp3)−H Activation of Formamides. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202209625] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Yin-Xia Wang
- Luoyang Institute of Science and Technology chemistry CHINA
| | | | - Hao Chen
- Nankai University chemistry CHINA
| | - Yue Li
- Nankai University chemistry CHINA
| | | | - Mengchun Ye
- nankai university chemistry 94 Weijin Rd, Lihua Bldg 310 300071 Tianjin CHINA
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11
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Chen XM, Li BW, Wang MY, Liu JY. Theoretical study on the mechanism of Ni−Al bimetallic catalyzed dual C−H cyclization of amides and alkynes. MOLECULAR CATALYSIS 2022. [DOI: 10.1016/j.mcat.2022.112230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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12
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Jardim GAM, de Carvalho RL, Nunes MP, Machado LA, Almeida LD, Bahou KA, Bower JF, da Silva Júnior EN. Looking deep into C-H functionalization: the synthesis and application of cyclopentadienyl and related metal catalysts. Chem Commun (Camb) 2022; 58:3101-3121. [PMID: 35195128 DOI: 10.1039/d1cc07040a] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Metal catalyzed C-H functionalization offers a versatile platform for methodology development and a wide variety of reactions now exist for the chemo- and site-selective functionalization of organic molecules. Cyclopentadienyl-metal (CpM) complexes of transition metals and their correlative analogues have found widespread application in this area, and herein we highlight several key applications of commonly used transition-metal Cp-type catalysts. In addition, an understanding of transition metal Cp-type catalyst synthesis is important, particularly where modifications to the catalyst structure are required for different applications, and a summary of this aspect is given.
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Affiliation(s)
- Guilherme A M Jardim
- Institute of Exact Sciences, Department of Chemistry, Federal University of Minas Gerais - UFMG, Belo Horizonte, 31270-901, MG, Brazil. .,Centre for Excellence for Research in Sustainable Chemistry (CERSusChem), Department of Chemistry, Federal University of São Carlos, UFSCar, 13565-905, Brazil
| | - Renato L de Carvalho
- Institute of Exact Sciences, Department of Chemistry, Federal University of Minas Gerais - UFMG, Belo Horizonte, 31270-901, MG, Brazil.
| | - Mateus P Nunes
- Institute of Exact Sciences, Department of Chemistry, Federal University of Minas Gerais - UFMG, Belo Horizonte, 31270-901, MG, Brazil.
| | - Luana A Machado
- Institute of Exact Sciences, Department of Chemistry, Federal University of Minas Gerais - UFMG, Belo Horizonte, 31270-901, MG, Brazil. .,Department of Chemistry, Fluminense Federal University, Niteroi, 24020-141, RJ, Brazil
| | - Leandro D Almeida
- Institute of Exact Sciences, Department of Chemistry, Federal University of Minas Gerais - UFMG, Belo Horizonte, 31270-901, MG, Brazil.
| | - Karim A Bahou
- Department of Chemistry, University of Liverpool, Crown Street, Liverpool, L69 7ZD, UK.
| | - John F Bower
- Department of Chemistry, University of Liverpool, Crown Street, Liverpool, L69 7ZD, UK.
| | - Eufrânio N da Silva Júnior
- Institute of Exact Sciences, Department of Chemistry, Federal University of Minas Gerais - UFMG, Belo Horizonte, 31270-901, MG, Brazil.
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13
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Xu L, Ma Z, Hu X, Zhang X, Gao S, Liang D, Wang B, Li W, Li Y. Electroreductive synthesis of polyfunctionalized pyridin-2-ones from acetoacetanilides and carbon disulfide with oxygen evolution. Org Biomol Chem 2022; 20:1013-1018. [PMID: 35043137 DOI: 10.1039/d1ob02379a] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
A chemical reductant or a sacrificial electron donor is required in any reduction reactions, generally resulting in undesired chemical waste. Herein, we report a reductant-free reductive [3 + 2 + 1] annulation of β-keto amides with CS2 enabled by the synergy of electro/copper/base using water as an innocuous anodic sacrifice with O2 as a sustainable by-product. This electrochemical protocol is mild and provides access to polyfunctionalized pyridin-2-ones from simple starting materials in a single step.
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Affiliation(s)
- Lichun Xu
- School of Chemistry and Chemical Engineering, Kunming University, Kunming 650214, China.
| | - Zhongxiao Ma
- School of Chemistry and Chemical Engineering, Kunming University, Kunming 650214, China.
| | - Xi Hu
- School of Chemistry and Chemical Engineering, Kunming University, Kunming 650214, China.
| | - Xin Zhang
- School of Chemistry and Chemical Engineering, Kunming University, Kunming 650214, China.
| | - Shulin Gao
- School of Chemistry and Chemical Engineering, Kunming University, Kunming 650214, China.
| | - Deqiang Liang
- School of Chemistry and Chemical Engineering, Kunming University, Kunming 650214, China.
| | - Baoling Wang
- School of Chemistry and Chemical Engineering, Kunming University, Kunming 650214, China.
| | - Weili Li
- School of Chemistry and Chemical Engineering, Kunming University, Kunming 650214, China.
| | - Yanni Li
- School of Chemistry and Chemical Engineering, Kunming University, Kunming 650214, China.
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14
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Golagani D, Ghouse AM, Ajmeera S, Akondi SM. Divergent cyanoalkylation/cyanoalkylsulfonylation of enamides under organophotoredox catalytic conditions. Org Biomol Chem 2022; 20:8599-8604. [DOI: 10.1039/d2ob01775j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
An organophotoredox catalyzed divergent cyanoalkylation/cyanoalkylsulfonylation of enamides is described.
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Affiliation(s)
- Durga Golagani
- Department of Organic Synthesis and Process Chemistry, CSIR-Indian Institute of Chemical Technology (CSIR-IICT), Hyderabad-500007, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Abuthayir Mohamathu Ghouse
- Department of Organic Synthesis and Process Chemistry, CSIR-Indian Institute of Chemical Technology (CSIR-IICT), Hyderabad-500007, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Sriram Ajmeera
- Department of Organic Synthesis and Process Chemistry, CSIR-Indian Institute of Chemical Technology (CSIR-IICT), Hyderabad-500007, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Srirama Murthy Akondi
- Department of Organic Synthesis and Process Chemistry, CSIR-Indian Institute of Chemical Technology (CSIR-IICT), Hyderabad-500007, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
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15
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Pan S, Sarkar S, Ghosh B, Samanta R. Transition metal catalysed direct construction of 2-pyridone scaffolds through C-H bond functionalizations. Org Biomol Chem 2021; 19:10516-10529. [PMID: 34816862 DOI: 10.1039/d1ob01856f] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Substituted 2-pyridone is one of the most frequent scaffolds among nitrogen-containing bioactive natural products, pharmaceuticals and organic materials. Besides the classical syntheses to construct this class of molecules, retrosynthetically more straightforward approaches based on transition metal catalysed C-H bond functionalizations have been explored recently. In this review, we have summarized the recent progress in the direct transition metal catalysed construction of substituted 2-pyridone scaffolds via site-selective C-H bond functionalizations.
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Affiliation(s)
- Subarna Pan
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur 721302, India.
| | - Souradip Sarkar
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur 721302, India.
| | - Bidhan Ghosh
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur 721302, India.
| | - Rajarshi Samanta
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur 721302, India.
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16
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Jacob C, Maes BUW, Evano G. Transient Directing Groups in Metal-Organic Cooperative Catalysis. Chemistry 2021; 27:13899-13952. [PMID: 34286873 DOI: 10.1002/chem.202101598] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Indexed: 12/13/2022]
Abstract
The direct functionalization of C-H bonds is among the most fundamental chemical transformations in organic synthesis. However, when the innate reactivity of the substrate cannot be utilized for the functionalization of a given single C-H bond, this selective C-H bond functionalization mostly relies on the use of directing groups that allow bringing the catalyst in close proximity to the C-H bond to be activated and these directing groups need to be installed before and cleaved after the transformation, which involves two additional undesired synthetic operations. These additional steps dramatically reduce the overall impact and the attractiveness of C-H bond functionalization techniques since classical approaches based on substrate pre-functionalization are sometimes still more straightforward and appealing. During the past decade, a different approach involving both the in situ installation and removal of the directing group, which can then often be used in a catalytic manner, has emerged: the transient directing group strategy. In addition to its innovative character, this strategy has brought C-H bond functionalization to an unprecedented level of usefulness and has enabled the development of remarkably efficient processes for the direct and selective introduction of functional groups onto both aromatic and aliphatic substrates. The processes unlocked by the development of these transient directing groups will be comprehensively overviewed in this review article.
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Affiliation(s)
- Clément Jacob
- Laboratoire de Chimie Organique, Service de Chimie et Physico-Chimie Organiques, Université libre de Bruxelles (ULB), Avenue F.D. Roosevelt 50, CP160/06, 1050, Brussels, Belgium.,Organic Synthesis Division, Department of Chemistry, University of Antwerp, Groenenborgerlaan 171, 2020, Antwerp, Belgium
| | - Bert U W Maes
- Organic Synthesis Division, Department of Chemistry, University of Antwerp, Groenenborgerlaan 171, 2020, Antwerp, Belgium
| | - Gwilherm Evano
- Laboratoire de Chimie Organique, Service de Chimie et Physico-Chimie Organiques, Université libre de Bruxelles (ULB), Avenue F.D. Roosevelt 50, CP160/06, 1050, Brussels, Belgium
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17
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18
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Tian Q, Xiao S, Cheng G. Base‐Promoted
Synthesis of
3‐Alkenyl
‐2‐pyridones from
N
‐Propargyl
‐β‐enaminones and Aryl Aldehydes. CHINESE J CHEM 2021. [DOI: 10.1002/cjoc.202100331] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Qingyu Tian
- Xiamen Key Laboratory of Optoelectronic Materials and Advanced Manufacturing, College of Materials Science and Engineering, Instrumental Analysis Center, Huaqiao University Xiamen Fujian 361021 China
| | - Shangyun Xiao
- Xiamen Key Laboratory of Optoelectronic Materials and Advanced Manufacturing, College of Materials Science and Engineering, Instrumental Analysis Center, Huaqiao University Xiamen Fujian 361021 China
| | - Guolin Cheng
- Xiamen Key Laboratory of Optoelectronic Materials and Advanced Manufacturing, College of Materials Science and Engineering, Instrumental Analysis Center, Huaqiao University Xiamen Fujian 361021 China
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19
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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: 8] [Impact Index Per Article: 2.7] [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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20
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Moriyama K. Recent Advances in Retained and Dehydrogenative Dual Functionalization Chemistry. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Katsuhiko Moriyama
- Department of Chemistry Graduate School of Science and Soft Molecular Activation Research Center Chiba University 1-33 Yayoi-cho, Inage-ku Chiba 263-8522 Japan
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21
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Gu Q, Wang Q, Dai W, Wang X, Ban Y, Liu T, Zhao Y, Zhang Y, Ling Y, Zeng X. K 2S 2O 8-mediated regio- and stereo-selective thiocyanation of enamides with NH 4SCN. Org Biomol Chem 2021; 19:2512-2516. [PMID: 33662088 DOI: 10.1039/d1ob00156f] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
A direct and straightforward thiocyanation of enamides with NH4SCN under metal-free conditions has been accomplished. A variety of (E)-β-thiocyanoenamides are readily produced in a regio- and stereo-selective manner. The protocol features mild reaction conditions, good functional group tolerance and operational simplicity. The potential utility of this strategy was further demonstrated by transformation of thiocyanate into thiotetrazole-containing compounds and a Pd-catalyzed cross-coupling reaction to afford six- or seven-membered sulfur-containing heterocycles. Mechanistic insights into the reaction indicate that the reaction may proceed via a radical mechanism.
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Affiliation(s)
- Qingyun Gu
- School of Pharmacy, Nantong University, 19 Qixiu Road, Nantong, Jiangsu Province 226001, People's Republic of China.
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22
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Gao H, Hu L, Hu Y, Lv X, Wu YB, Lu G. Origins of Lewis acid acceleration in nickel-catalysed C–H, C–C and C–O bond cleavage. Catal Sci Technol 2021. [DOI: 10.1039/d1cy00660f] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
The effects of charge transfer, Pauli repulsion and electrostatics/polarization are identified as dominant factors for Lewis acid accelerations in Ni-catalyzed C–X (X = H, C and O) bond cleavages.
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Affiliation(s)
- Han Gao
- School of Chemistry and Chemical Engineering
- Key Laboratory of Colloid and Interface Chemistry
- Ministry of Education
- Shandong University
- Jinan
| | - Lingfei Hu
- School of Chemistry and Chemical Engineering
- Key Laboratory of Colloid and Interface Chemistry
- Ministry of Education
- Shandong University
- Jinan
| | - Yanlei Hu
- School of Chemistry and Chemical Engineering
- Key Laboratory of Colloid and Interface Chemistry
- Ministry of Education
- Shandong University
- Jinan
| | - Xiangying Lv
- School of Chemistry and Chemical Engineering
- Key Laboratory of Colloid and Interface Chemistry
- Ministry of Education
- Shandong University
- Jinan
| | - Yan-Bo Wu
- Key Lab for Materials of Energy Conversion and Storage of Shanxi Province and
- Key Lab of Chemical Biology and Molecular Engineering of Ministry of Education
- Institute of Molecular Science
- Shanxi University
- Taiyuan
| | - Gang Lu
- School of Chemistry and Chemical Engineering
- Key Laboratory of Colloid and Interface Chemistry
- Ministry of Education
- Shandong University
- Jinan
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