1
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Huang W, Wang C, Zhang Y, Qu J, Chen Y. Nickel-catalyzed acylation of vinylpyridine with alkylzincs under 1 atm CO. Org Biomol Chem 2024; 22:2380-2383. [PMID: 38436087 DOI: 10.1039/d4ob00165f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/05/2024]
Abstract
A nickel-catalyzed acylation of vinylpyridines with CO at atmospheric pressure is reported, allowing for an expedient approach to synthesize β-acyl pyridine derivatives with high regio- and chemoselectivity. The electron-withdrawing property of pyridine plays pivotal roles in activating the alkenyl group, thereby facilitating this carbonylative process. In addition to vinylpyridines, other alkenylheterocycles such as thiazole and quinoline were also suitable for this method.
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Affiliation(s)
- Wenyi Huang
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237, China.
| | - Chenglong Wang
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237, China.
| | - Yetong Zhang
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237, China.
| | - Jingping Qu
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237, China.
| | - Yifeng Chen
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237, China.
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, P R China
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2
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Moniwa H, Yamanaka M, Shintani R. Copper-Catalyzed Regio- and Stereoselective Formal Hydro(borylmethylsilyl)ation of Internal Alkynes via Alkenyl-to-Alkyl 1,4-Copper Migration. J Am Chem Soc 2023; 145:23470-23477. [PMID: 37852271 DOI: 10.1021/jacs.3c06187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2023]
Abstract
Catalytic reactions involving 1,n-metal migration from carbon to carbon enable a nonclassical way of constructing organic molecular skeletons, rapidly providing complex molecules from relatively simple precursors. By utilization of this attractive feature, a new and efficient synthesis of alkenylsilylmethylboronates has been developed by formal hydro(borylmethylsilyl)ation of unsymmetric internal alkynes with silylboronates under copper catalysis. The reaction proceeds regioselectively and involves an unprecedented alkenyl-to-alkyl 1,4-copper migration. The reaction mechanism has been investigated by a series of kinetic, NMR, and deuterium-labeling experiments.
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Affiliation(s)
- Hirokazu Moniwa
- Division of Chemistry, Department of Materials Engineering Science, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka560-8531, Japan
| | - Masahiro Yamanaka
- Department of Chemistry and Research Center for Smart Molecules, Faculty of Science, Rikkyo University, Toshima-ku, Tokyo 171-8501, Japan
| | - Ryo Shintani
- Division of Chemistry, Department of Materials Engineering Science, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka560-8531, Japan
- Innovative Catalysis Science Division, Institute for Open and Transdisciplinary Research Initiatives (ICS-OTRI), Osaka University, Suita, Osaka565-0871, Japan
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3
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Liu WM, Lu Z, Wei Q, Liu WB. Enantioselective Nickel-Catalyzed Reductive anti-Arylative Annulation of Alkyne-Tethered Malononitriles to Construct Quaternary Stereocenters. Org Lett 2023; 25:1811-1816. [PMID: 36919903 DOI: 10.1021/acs.orglett.3c00123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/16/2023]
Abstract
A nickel-catalyzed reductive desymmetrizing annulation of alkyne-tethered malononitriles and (hetero)aryl iodides is reported for the access of cyclohexenones containing an α-all-carbon quaternary stereocenter. The use of a nickel catalyst derived from an electron-rich phosphinooxazoline ligand combined with iron powder as a reductant is crucial to the success of this transformation.
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Affiliation(s)
- Wei-Min Liu
- Sauvage Center for Molecular Sciences; Engineering Research Center of Organosilicon Compounds & Materials, Ministry of Education; College of Chemistry and Molecular Sciences; Wuhan University, Wuhan, 430072 Hubei, China
| | - Zhiwu Lu
- Sauvage Center for Molecular Sciences; Engineering Research Center of Organosilicon Compounds & Materials, Ministry of Education; College of Chemistry and Molecular Sciences; Wuhan University, Wuhan, 430072 Hubei, China
| | - Qiang Wei
- Sauvage Center for Molecular Sciences; Engineering Research Center of Organosilicon Compounds & Materials, Ministry of Education; College of Chemistry and Molecular Sciences; Wuhan University, Wuhan, 430072 Hubei, China
| | - Wen-Bo Liu
- Sauvage Center for Molecular Sciences; Engineering Research Center of Organosilicon Compounds & Materials, Ministry of Education; College of Chemistry and Molecular Sciences; Wuhan University, Wuhan, 430072 Hubei, China
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, China
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4
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Liang Z, Wang L, Wang Y, Wang L, Chong Q, Meng F. Cobalt-Catalyzed Diastereo- and Enantioselective Carbon-Carbon Bond Forming Reactions of Cyclobutenes. J Am Chem Soc 2023; 145:3588-3598. [PMID: 36734874 DOI: 10.1021/jacs.2c12475] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Catalytic enantioselective functionalization of cyclobutenes constitutes a general and modular strategy for construction of enantioenriched complex cyclobutanes bearing multiple stereogenic centers, as chiral four-membered rings are common motifs in biologically active molecules and versatile intermediates in organic synthesis. However, enantioselective synthesis of cyclobutanes through such a strategy remained significantly limited. Herein, we report a series of unprecedented cobalt-catalyzed carbon-carbon bond forming reactions of cyclobutenes that are initiated through enantioselective carbometalation. The protocols feature diastereo- and enantioselective introduction of allyl, alkynyl, and functionalized alkyl groups. Mechanistic studies indicated an unusual 1,3-cobalt migration and subsequent β-carbon elimination cascade process occurred in the allyl addition. These new discoveries established a new elementary process for cobalt catalysis and an extension of diversity of nucleophiles for enantioselective transformations of cyclobutenes.
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Affiliation(s)
- Zhikun Liang
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai, China, 200032
| | - Lei Wang
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai, China, 200032
| | - Yu Wang
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai, China, 200032
| | - Lifan Wang
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai, China, 200032
| | - Qinglei Chong
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai, China, 200032
| | - Fanke Meng
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai, China, 200032.,School of Chemistry and Material Science, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, China, 310024
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5
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Bora J, Dutta M, Chetia B. Cobalt catalyzed alkenylation/annulation reactions of alkynes via C–H activation: A review. Tetrahedron 2023. [DOI: 10.1016/j.tet.2023.133248] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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6
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Yoshikai N. Exploring New Reactions and Syntheses of Trivalent Iodine Compounds. J SYN ORG CHEM JPN 2022. [DOI: 10.5059/yukigoseikyokaishi.80.1011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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7
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Huang RZ, Ma ZC, Huang Y, Zhao Y. Co/Zn Bimetallic Catalysis Enables Enantioselective Alkynylation of Isatins and α-Ketoesters Using Terminal Alkynes. J Org Chem 2022. [DOI: 10.1021/acs.joc.2c01369] [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)
- Rui-Zhi Huang
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, 117543 Singapore
| | - Zhan-Cai Ma
- Department of Medicinal Chemistry, School of Pharmacy, Xi’an Jiaotong University, Xi’an 710061, China
| | - Yuan Huang
- Department of Medicinal Chemistry, School of Pharmacy, Xi’an Jiaotong University, Xi’an 710061, China
| | - Yu Zhao
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, 117543 Singapore
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8
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Noba N, Munakata M, Mori T, Kimura M. CO2‐Assisted Stereocontrolled Multi‐component Coupling. ASIAN J ORG CHEM 2022. [DOI: 10.1002/ajoc.202200232] [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)
- Nao Noba
- Fukushima Kogyo Koto Senmon Gakko Department of Applied Chemistry and Biochemistry JAPAN
| | - Miho Munakata
- Fukushima Kogyo Koto Senmon Gakko Department of Applied Chemistry and Biochemistry JAPAN
| | - Takamichi Mori
- Fukushima Kogyo Koto Senmon Gakko Department of Applied Chemistry and Biochemistry JAPAN
| | - Masanari Kimura
- Nagasaki University Graduate School of Engineering Bunkyo 1-14 852-8521 Nagasaki JAPAN
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9
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Meng H, Bai S, Qiao Y, He T, Li W, Ming J. Rhodium-Catalyzed Three-Component Reaction of Alkynes, Arylzinc Chlorides, and Iodomethanes Producing Trisubstituted/Tetrasubstituted Alkenes with/without 1,4-Migration. Org Lett 2022; 24:5480-5485. [PMID: 35856848 DOI: 10.1021/acs.orglett.2c02299] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A three-component reaction of alkynes, arylzinc chlorides, and iodomethanes was found to proceed in the presence of a rhodium catalyst to give high yields of trisubstituted/tetrasubstituted alkenes. The usual arylzinc chlorides only gave trisubstituted alkenes, generated through a migratory carbozincation-cross-coupling sequence, where 1,4-Rh migration from an alkenyl carbon to an aryl carbon occurred. In contrast, 5-membered heteroarylzinc chlorides only gave the tetrasubstituted alkenes via a carborhodation-cross-coupling pathway without 1,4-migration.
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Affiliation(s)
- He Meng
- Inner Mongolia Key Laboratory of Fine Organic Synthesis, Inner Mongolia University, 235 West University Street, Hohhot 010021, China
| | - Shiming Bai
- Inner Mongolia Key Laboratory of Fine Organic Synthesis, Inner Mongolia University, 235 West University Street, Hohhot 010021, China
| | - Yu Qiao
- Inner Mongolia Key Laboratory of Fine Organic Synthesis, Inner Mongolia University, 235 West University Street, Hohhot 010021, China
| | - Ting He
- Biogas Institute of Ministry of Agriculture and Rural Affairs, Section 4-13, Renmin Road South, Chengdu 610041, China
| | - Weiyi Li
- School of Science, Xihua University, Chengdu 610039, China
| | - Jialin Ming
- Inner Mongolia Key Laboratory of Fine Organic Synthesis, Inner Mongolia University, 235 West University Street, Hohhot 010021, China
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10
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He Y, Börjesson M, Song H, Xue Y, Zeng D, Martin R, Zhu S. Nickel-Catalyzed Ipso/Ortho Difunctionalization of Aryl Bromides with Alkynes and Alkyl Bromides via a Vinyl-to-Aryl 1,4-Hydride Shift. J Am Chem Soc 2021; 143:20064-20070. [PMID: 34793680 DOI: 10.1021/jacs.1c10368] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Polysubstituted arenes are ubiquitous structures in a myriad of medicinal agents and complex molecules. Herein, we report a new catalytic blueprint that merges the modularity of nickel catalysis for bond formation with the ability to enable a rather elusive 1,4-hydride shift at arene sp2 C-H sites, thus allowing access to ipso/ortho-difunctionalized arenes from readily available aryl halides under mild conditions and exquisite selectivity profile.
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Affiliation(s)
- Yuli He
- State Key Laboratory of Coordination Chemistry, Chemistry and Biomedicine Innovation Center (ChemBIC), Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, China
| | - Marino Börjesson
- Institute of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology, Av. Països Catalans 16, 43007 Tarragona, Spain
| | - Huayue Song
- State Key Laboratory of Coordination Chemistry, Chemistry and Biomedicine Innovation Center (ChemBIC), Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, China
| | - Yuhang Xue
- State Key Laboratory of Coordination Chemistry, Chemistry and Biomedicine Innovation Center (ChemBIC), Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, China
| | - Daning Zeng
- State Key Laboratory of Coordination Chemistry, Chemistry and Biomedicine Innovation Center (ChemBIC), Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, China
| | - Ruben Martin
- Institute of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology, Av. Països Catalans 16, 43007 Tarragona, Spain.,ICREA, Passeig Lluís Companys, 23, 08010 Barcelona, Spain
| | - Shaolin Zhu
- State Key Laboratory of Coordination Chemistry, Chemistry and Biomedicine Innovation Center (ChemBIC), Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, China
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11
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Pan Z, Zhang J, Guo L, Yang H, Li J, Cui C. Cyclic (Alkyl)(amino)carbene Lanthanide Amides: Synthesis, Structure, and Catalytic Selective Hydrosilylation of Alkenes. Inorg Chem 2021; 60:12696-12702. [PMID: 34424672 DOI: 10.1021/acs.inorgchem.1c01780] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
The first examples of cyclic (alkyl)(amino)carbene (CAAC) lanthanide (Ln) complexes were synthesized from the reaction of CAAC with Yb[N(SiMe3)2]2 and Eu[N(SiMe3)2]2(THF)2 (THF = tetrahydrofuran). The structures of (CAAC)Yb[N(SiMe3)2]2 (2) and (CAAC)Eu[N(SiMe3)2]2(THF) (3) were determined by X-ray diffraction analysis. Density functional theory calculations of 2 revealed the predominantly ionic bond between the Ln ion and CAAC. Complex 3 enabled catalytic hydrosilylation of aryl- and silylalkenes with primary and secondary silanes in high yields and Markovnikov selectivity.
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Affiliation(s)
- Zexiong Pan
- State Key Laboratory of Elemento-organic Chemistry and College of Chemistry, Nankai University, Tianjin 300071, China
| | - Jianying Zhang
- State Key Laboratory of Elemento-organic Chemistry and College of Chemistry, Nankai University, Tianjin 300071, China
| | - Lulu Guo
- State Key Laboratory of Elemento-organic Chemistry and College of Chemistry, Nankai University, Tianjin 300071, China
| | - Hao Yang
- State Key Laboratory of Elemento-organic Chemistry and College of Chemistry, Nankai University, Tianjin 300071, China
| | - Jianfeng Li
- State Key Laboratory of Elemento-organic Chemistry and College of Chemistry, Nankai University, Tianjin 300071, China
| | - Chunming Cui
- State Key Laboratory of Elemento-organic Chemistry and College of Chemistry, Nankai University, Tianjin 300071, China
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12
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Chen W, Jiang C, Zhang J, Xu J, Xu L, Xu X, Li J, Cui C. Rare-Earth-Catalyzed Selective 1,4-Hydrosilylation of Branched 1,3-Enynes Giving Tetrasubstituted Silylallenes. J Am Chem Soc 2021; 143:12913-12918. [PMID: 34388341 DOI: 10.1021/jacs.1c04689] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Allenes are versatile synthons in organic synthesis and medicinal chemistry because of their diverse reactivities. Catalytic 1,4-hydrosilylation of 1,3-enynes may present the straightforward strategy for synthesis of silylallenes. However, the transition-metal-catalyzed reaction has not been successful due to poor selectivity and very limited substrate scopes. We report here the efficient and selective 1,4-hydrosilylation of branched 1,3-enynes enabled by the ene-diamido rare-earth ate catalysts using both alkyl and aryl hydrosilanes, leading to the exclusive formation of tetrasubstituted silylallenes. Deuteration reaction, kinetic study, and DFT calculations were conducted to investigate the possible mechanism, revealing crucial roles of high Lewis acidity, large ionic radius, and ate structure of the rare-earth catalysts.
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Affiliation(s)
- Wufeng Chen
- State Key Laboratory of Elemento-Organic Chemistry and College of Chemistry, Nankai University, Tianjin 300071, People's Republic of China
| | - Chunhui Jiang
- State Key Laboratory of Elemento-Organic Chemistry and College of Chemistry, Nankai University, Tianjin 300071, People's Republic of China
| | - Jianying Zhang
- State Key Laboratory of Elemento-Organic Chemistry and College of Chemistry, Nankai University, Tianjin 300071, People's Republic of China
| | - Jiaqi Xu
- State Key Laboratory of Elemento-Organic Chemistry and College of Chemistry, Nankai University, Tianjin 300071, People's Republic of China
| | - Lin Xu
- State Key Laboratory of Elemento-Organic Chemistry and College of Chemistry, Nankai University, Tianjin 300071, People's Republic of China
| | - Xiufang Xu
- State Key Laboratory of Elemento-Organic Chemistry and College of Chemistry, Nankai University, Tianjin 300071, People's Republic of China
| | - Jianfeng Li
- State Key Laboratory of Elemento-Organic Chemistry and College of Chemistry, Nankai University, Tianjin 300071, People's Republic of China
| | - Chunming Cui
- State Key Laboratory of Elemento-Organic Chemistry and College of Chemistry, Nankai University, Tianjin 300071, People's Republic of China
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13
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Börjesson M, Janssen-Müller D, Sahoo B, Duan Y, Wang X, Martin R. Remote sp2 C–H Carboxylation via Catalytic 1,4-Ni Migration with CO2. J Am Chem Soc 2020; 142:16234-16239. [DOI: 10.1021/jacs.0c08810] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
- Marino Börjesson
- Institute of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology, Av. Països Catalans 16, 43007 Tarragona, Spain
| | - Daniel Janssen-Müller
- Institute of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology, Av. Països Catalans 16, 43007 Tarragona, Spain
| | - Basudev Sahoo
- Institute of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology, Av. Països Catalans 16, 43007 Tarragona, Spain
| | - Yaya Duan
- Institute of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology, Av. Països Catalans 16, 43007 Tarragona, Spain
| | - Xueqiang Wang
- Institute of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology, Av. Països Catalans 16, 43007 Tarragona, Spain
| | - Ruben Martin
- Institute of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology, Av. Països Catalans 16, 43007 Tarragona, Spain
- ICREA, Passeig Lluís Companys 23, 08010 Barcelona, Spain
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14
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Lv W, Liu S, Chen Y, Wen S, Lan Y, Cheng G. Palladium-Catalyzed Intermolecular Trans-Selective Carbofunctionalization of Internal Alkynes to Highly Functionalized Alkenes. ACS Catal 2020. [DOI: 10.1021/acscatal.0c02522] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Weiwei Lv
- College of Materials Science & Engineering, Huaqiao University, Xiamen 361021, P. R. China
| | - Shihan Liu
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400030, P. R. China
| | - Yanhui Chen
- College of Materials Science & Engineering, Huaqiao University, Xiamen 361021, P. R. China
| | - Si Wen
- College of Materials Science & Engineering, Huaqiao University, Xiamen 361021, P. R. China
| | - Yu Lan
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400030, P. R. China
- College of Chemistry, and Institute of Green Catalysis, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Guolin Cheng
- College of Materials Science & Engineering, Huaqiao University, Xiamen 361021, P. R. China
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15
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Chen J, Hayashi T. Asymmetric Synthesis of Alkylzincs by Rhodium‐Catalyzed Enantioselective Arylative Cyclization of 1,6‐Enynes with Arylzincs. Angew Chem Int Ed Engl 2020; 59:18510-18514. [DOI: 10.1002/anie.202008770] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Indexed: 12/12/2022]
Affiliation(s)
- Jiahua Chen
- Division of Chemistry and Biological Chemistry School of Physical and Mathematical Sciences Nanyang Technological University 21 Nanyang Link Singapore 637371 Singapore
| | - Tamio Hayashi
- Department of Chemistry National Tsing-Hua University Hsinchu 30013 Taiwan
- Division of Chemistry and Biological Chemistry School of Physical and Mathematical Sciences Nanyang Technological University 21 Nanyang Link Singapore 637371 Singapore
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16
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Chen J, Hayashi T. Asymmetric Synthesis of Alkylzincs by Rhodium‐Catalyzed Enantioselective Arylative Cyclization of 1,6‐Enynes with Arylzincs. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202008770] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Jiahua Chen
- Division of Chemistry and Biological Chemistry School of Physical and Mathematical Sciences Nanyang Technological University 21 Nanyang Link Singapore 637371 Singapore
| | - Tamio Hayashi
- Department of Chemistry National Tsing-Hua University Hsinchu 30013 Taiwan
- Division of Chemistry and Biological Chemistry School of Physical and Mathematical Sciences Nanyang Technological University 21 Nanyang Link Singapore 637371 Singapore
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17
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Rahman MS, Yoshikai N. Synthesis of triphenylene-fused phosphole oxides via C-H functionalizations. Beilstein J Org Chem 2020; 16:524-529. [PMID: 32273913 PMCID: PMC7113549 DOI: 10.3762/bjoc.16.48] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Accepted: 03/20/2020] [Indexed: 01/14/2023] Open
Abstract
The synthesis of triphenylene-fused phosphole oxides has been achieved through two distinct C–H functionalization reactions as key steps. The phosphole ring was constructed by a three-component coupling of 3-(methoxymethoxy)phenylzinc chloride, an alkyne, and dichlorophenylphosphine, involving the regioselective C–H activation of the C2 position of the arylzinc intermediate via 1,4-cobalt migration. The resulting 7-hydroxybenzo[b]phosphole derivative was used for further π-extension through Suzuki–Miyaura couplings and a Scholl reaction, the latter closing the triphenylene ring. The absorption and emission spectra of the thus-synthesized compounds illustrated their nature as hybrids of triphenylene and benzo[b]phosphole.
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Affiliation(s)
- Md Shafiqur Rahman
- 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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18
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Lutter FH, Grokenberger L, Spieß P, Hammann JM, Karaghiosoff K, Knochel P. Cobalt‐katalysierte Kreuzkupplung funktionalisierter Alkylzinkreagenzien mit (Hetero‐)Arylhalogeniden. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.201914490] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Ferdinand H. Lutter
- Ludwig-Maximilians-Universität München Department Chemie Butenandtstrasse 5–13, Haus F 81377 München Deutschland
| | - Lucie Grokenberger
- Ludwig-Maximilians-Universität München Department Chemie Butenandtstrasse 5–13, Haus F 81377 München Deutschland
| | - Philipp Spieß
- Ludwig-Maximilians-Universität München Department Chemie Butenandtstrasse 5–13, Haus F 81377 München Deutschland
| | - Jeffrey M. Hammann
- Ludwig-Maximilians-Universität München Department Chemie Butenandtstrasse 5–13, Haus F 81377 München Deutschland
| | - Konstantin Karaghiosoff
- Ludwig-Maximilians-Universität München Department Chemie Butenandtstrasse 5–13, Haus F 81377 München Deutschland
| | - Paul Knochel
- Ludwig-Maximilians-Universität München Department Chemie Butenandtstrasse 5–13, Haus F 81377 München Deutschland
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19
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Lutter FH, Grokenberger L, Spieß P, Hammann JM, Karaghiosoff K, Knochel P. Cobalt-Catalyzed Cross-Coupling of Functionalized Alkylzinc Reagents with (Hetero)Aryl Halides. Angew Chem Int Ed Engl 2020; 59:5546-5550. [PMID: 31909546 PMCID: PMC7154687 DOI: 10.1002/anie.201914490] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Revised: 12/11/2019] [Indexed: 11/10/2022]
Abstract
A combination of 10 % CoCl2 and 20 % 2,2'-bipyridine ligands enables cross-coupling of functionalized primary and secondary alkylzinc reagents with various (hetero)aryl halides. Couplings with 1,3- and 1,4-substituted cycloalkylzinc reagents proceeded diastereoselectively leading to functionalized heterocycles with high diastereoselectivities of up to 98:2. Furthermore, alkynyl bromides react with primary and secondary alkylzinc reagents providing the alkylated alkynes.
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Affiliation(s)
- Ferdinand H. Lutter
- Ludwig-Maximilians-Universität MünchenDepartment ChemieButenandtstrasse 5–13, Haus F81377MünchenGermany
| | - Lucie Grokenberger
- Ludwig-Maximilians-Universität MünchenDepartment ChemieButenandtstrasse 5–13, Haus F81377MünchenGermany
| | - Philipp Spieß
- Ludwig-Maximilians-Universität MünchenDepartment ChemieButenandtstrasse 5–13, Haus F81377MünchenGermany
| | - Jeffrey M. Hammann
- Ludwig-Maximilians-Universität MünchenDepartment ChemieButenandtstrasse 5–13, Haus F81377MünchenGermany
| | - Konstantin Karaghiosoff
- Ludwig-Maximilians-Universität MünchenDepartment ChemieButenandtstrasse 5–13, Haus F81377MünchenGermany
| | - Paul Knochel
- Ludwig-Maximilians-Universität MünchenDepartment ChemieButenandtstrasse 5–13, Haus F81377MünchenGermany
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20
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Han J, Qin Y, Ju C, Zhao D. Divergent Synthesis of Vinyl‐, Benzyl‐, and Borylsilanes: Aryl to Alkyl 1,5‐Palladium Migration/Coupling Sequences. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.201914740] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Jie‐Lian Han
- State Key Laboratory and Institute of Elemento-Organic ChemistryCollege of ChemistryNankai University 94 Weijin Road Tianjin 300071 China
| | - Ying Qin
- State Key Laboratory and Institute of Elemento-Organic ChemistryCollege of ChemistryNankai University 94 Weijin Road Tianjin 300071 China
| | - Cheng‐Wei Ju
- State Key Laboratory and Institute of Elemento-Organic ChemistryCollege of ChemistryNankai University 94 Weijin Road Tianjin 300071 China
| | - Dongbing Zhao
- State Key Laboratory and Institute of Elemento-Organic ChemistryCollege of ChemistryNankai University 94 Weijin Road Tianjin 300071 China
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21
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Han JL, Qin Y, Ju CW, Zhao D. Divergent Synthesis of Vinyl-, Benzyl-, and Borylsilanes: Aryl to Alkyl 1,5-Palladium Migration/Coupling Sequences. Angew Chem Int Ed Engl 2020; 59:6555-6560. [PMID: 31981459 DOI: 10.1002/anie.201914740] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2019] [Revised: 12/19/2019] [Indexed: 12/31/2022]
Abstract
Organosilicon compounds have been extensively utilized both in industry and academia. Studies on the syntheses of diverse organosilanes is highly appealing. Through-space metal/hydrogen shifts allow functionalization of C-H bonds at a remote site, which are otherwise difficult to achieve. However, until now, an aryl to alkyl 1,5-palladium migration process seems to have not been presented. Reported herein is the remote olefination, arylation, and borylation of a methyl group on silicon to access diverse vinyl-, benzyl-, and borylsilanes, constituting a unique C(sp3 )-H transformation based on a 1,5-palladium migration process.
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Affiliation(s)
- Jie-Lian Han
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, 94 Weijin Road, Tianjin, 300071, China
| | - Ying Qin
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, 94 Weijin Road, Tianjin, 300071, China
| | - Cheng-Wei Ju
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, 94 Weijin Road, Tianjin, 300071, China
| | - Dongbing Zhao
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, 94 Weijin Road, Tianjin, 300071, China
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22
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Chen W, Song H, Li J, Cui C. Catalytic Selective Dihydrosilylation of Internal Alkynes Enabled by Rare‐Earth Ate Complex. Angew Chem Int Ed Engl 2020; 59:2365-2369. [DOI: 10.1002/anie.201913773] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Indexed: 01/05/2023]
Affiliation(s)
- Wufeng Chen
- State Key Laboratory of Elemento-Organic Chemistry and College of ChemistryNankai University Tianjin 300071 China
| | - Haibin Song
- State Key Laboratory of Elemento-Organic Chemistry and College of ChemistryNankai University Tianjin 300071 China
| | - Jianfeng Li
- State Key Laboratory of Elemento-Organic Chemistry and College of ChemistryNankai University Tianjin 300071 China
| | - Chunming Cui
- State Key Laboratory of Elemento-Organic Chemistry and College of ChemistryNankai University Tianjin 300071 China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin) Tianjin 300072 China
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23
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Chen W, Song H, Li J, Cui C. Catalytic Selective Dihydrosilylation of Internal Alkynes Enabled by Rare‐Earth Ate Complex. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.201913773] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Wufeng Chen
- State Key Laboratory of Elemento-Organic Chemistry and College of ChemistryNankai University Tianjin 300071 China
| | - Haibin Song
- State Key Laboratory of Elemento-Organic Chemistry and College of ChemistryNankai University Tianjin 300071 China
| | - Jianfeng Li
- State Key Laboratory of Elemento-Organic Chemistry and College of ChemistryNankai University Tianjin 300071 China
| | - Chunming Cui
- State Key Laboratory of Elemento-Organic Chemistry and College of ChemistryNankai University Tianjin 300071 China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin) Tianjin 300072 China
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24
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Recent advances in the chemistry of group 9—Pincer organometallics. ADVANCES IN ORGANOMETALLIC CHEMISTRY 2020. [DOI: 10.1016/bs.adomc.2019.09.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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25
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Dong X, Wang H, Liu H, Wang F. Recent advances in transition metal migration involving reactions. Org Chem Front 2020. [DOI: 10.1039/d0qo00558d] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
In this review, various types of metal-migration involved methodologies, including palladium, rhodium, iron, cobalt, iridium, chromium, nickel, platinum, are summarized and demonstrated elaborately for giving a better access to this field.
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Affiliation(s)
- Xu Dong
- School of Chemistry and Chemical Engineering
- Shandong University of Technology
- Zibo 255049
- China
| | - Hui Wang
- Shandong Jincheng Kerui Chemical Co
- Ltd
- Zibo 255100
- P.R. China
| | - Hui Liu
- School of Chemistry and Chemical Engineering
- Shandong University of Technology
- Zibo 255049
- China
| | - Fagang Wang
- School of Chemistry and Chemical Engineering
- Shandong University of Technology
- Zibo 255049
- China
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26
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Affiliation(s)
- Abdur Rahim
- Department of Chemistry, Center for Excellence in Molecular Synthesis, and Hefei National Laboratory for Physical Sciences at the MicroscaleUniversity of Science and Technology of China, 96 Jinzhai Road Hefei Anhui 230026 China
| | - Jia Feng
- Department of Chemistry, Center for Excellence in Molecular Synthesis, and Hefei National Laboratory for Physical Sciences at the MicroscaleUniversity of Science and Technology of China, 96 Jinzhai Road Hefei Anhui 230026 China
| | - Zhenhua Gu
- Department of Chemistry, Center for Excellence in Molecular Synthesis, and Hefei National Laboratory for Physical Sciences at the MicroscaleUniversity of Science and Technology of China, 96 Jinzhai Road Hefei Anhui 230026 China
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27
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Liu N, Yao J, Yin L, Lu T, Tian Z, Dou X. Rhodium-Catalyzed Expeditious Synthesis of Indenes from Propargyl Alcohols and Organoboronic Acids by Selective 1,4-Rhodium Migration over β-Oxygen Elimination. ACS Catal 2019. [DOI: 10.1021/acscatal.9b02024] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Na Liu
- Department of Chemistry and State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 211198, China
| | - Jian Yao
- Department of Chemistry and State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 211198, China
| | - Long Yin
- Department of Chemistry and State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 211198, China
| | - Tao Lu
- Department of Chemistry and State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 211198, China
| | - Ziqi Tian
- Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China
| | - Xiaowei Dou
- Department of Chemistry and State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 211198, China
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28
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Rahman MS, Yoshikai N. Synthesis and Properties of Phospha[5]helicenes Bearing an Inner-Rim Phosphorus Center. Org Lett 2019; 21:3232-3236. [PMID: 30990704 DOI: 10.1021/acs.orglett.9b00955] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
New phospha[5]helicene derivatives featuring angular fusion of phosphole and carbohelicene moieties have been synthesized using 7-hydroxybenzo[ b]phosphole oxide as a key intermediate, which can be regioselectively prepared through one-pot multicomponent coupling. The structural behavior of the present phospha[5]helicene oxide, sulfide, and gold complex in the solid and solution states, along with DFT calculations, demonstrated close correlation between the P-centered chirality and the helical chirality as well as facile helicity inversion and equilibrium between the diastereomers in solution.
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Affiliation(s)
- Md Shafiqur Rahman
- 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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29
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Nitta J, Motohashi H, Aikawa K, Mikami K. Palladium‐Catalyzed Negishi Cross‐Coupling Reaction of Difluoroiodomethane with Arylzinc Reagents. ASIAN J ORG CHEM 2019. [DOI: 10.1002/ajoc.201900106] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Junki Nitta
- Department of Chemical Science and EngineeringSchool of Materials and Chemical TechnologyTokyo Institute of Technology O-okayama, Meguro-ku, Tokyo 152-8552 Japan
| | - Hirotaka Motohashi
- Department of Chemical Science and EngineeringSchool of Materials and Chemical TechnologyTokyo Institute of Technology O-okayama, Meguro-ku, Tokyo 152-8552 Japan
| | - Kohsuke Aikawa
- Department of Chemical Science and EngineeringSchool of Materials and Chemical TechnologyTokyo Institute of Technology O-okayama, Meguro-ku, Tokyo 152-8552 Japan
| | - Koichi Mikami
- Department of Chemical Science and EngineeringSchool of Materials and Chemical TechnologyTokyo Institute of Technology O-okayama, Meguro-ku, Tokyo 152-8552 Japan
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30
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O’Brien L, Karad SN, Lewis W, Lam HW. Rhodium-catalyzed arylative cyclization of alkynyl malonates by 1,4-rhodium(i) migration. Chem Commun (Camb) 2019; 55:11366-11369. [DOI: 10.1039/c9cc05205d] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
The synthesis of functionalized 1-tetralones by the rhodium(i)-catalyzed reaction of alkynyl malonates with arylboronic acids is described.
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Affiliation(s)
- Luke O’Brien
- The GlaxoSmithKline Carbon Neutral Laboratories for Sustainable Chemistry
- University of Nottingham
- Jubilee Campus
- Nottingham
- UK
| | - Somnath Narayan Karad
- The GlaxoSmithKline Carbon Neutral Laboratories for Sustainable Chemistry
- University of Nottingham
- Jubilee Campus
- Nottingham
- UK
| | - William Lewis
- School of Chemistry
- University of Nottingham
- Nottingham
- UK
| | - Hon Wai Lam
- The GlaxoSmithKline Carbon Neutral Laboratories for Sustainable Chemistry
- University of Nottingham
- Jubilee Campus
- Nottingham
- UK
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31
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Gandeepan P, Müller T, Zell D, Cera G, Warratz S, Ackermann L. 3d Transition Metals for C-H Activation. Chem Rev 2018; 119:2192-2452. [PMID: 30480438 DOI: 10.1021/acs.chemrev.8b00507] [Citation(s) in RCA: 1425] [Impact Index Per Article: 237.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
C-H activation has surfaced as an increasingly powerful tool for molecular sciences, with notable applications to material sciences, crop protection, drug discovery, and pharmaceutical industries, among others. Despite major advances, the vast majority of these C-H functionalizations required precious 4d or 5d transition metal catalysts. Given the cost-effective and sustainable nature of earth-abundant first row transition metals, the development of less toxic, inexpensive 3d metal catalysts for C-H activation has gained considerable recent momentum as a significantly more environmentally-benign and economically-attractive alternative. Herein, we provide a comprehensive overview on first row transition metal catalysts for C-H activation until summer 2018.
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Affiliation(s)
- Parthasarathy Gandeepan
- Institut für Organische und Biomolekulare Chemie , Georg-August-Universität Göttingen , Tammannstraße 2 , 37077 Göttingen , Germany
| | - Thomas Müller
- Institut für Organische und Biomolekulare Chemie , Georg-August-Universität Göttingen , Tammannstraße 2 , 37077 Göttingen , Germany
| | - Daniel Zell
- Institut für Organische und Biomolekulare Chemie , Georg-August-Universität Göttingen , Tammannstraße 2 , 37077 Göttingen , Germany
| | - Gianpiero Cera
- Institut für Organische und Biomolekulare Chemie , Georg-August-Universität Göttingen , Tammannstraße 2 , 37077 Göttingen , Germany
| | - Svenja Warratz
- Institut für Organische und Biomolekulare Chemie , Georg-August-Universität Göttingen , Tammannstraße 2 , 37077 Göttingen , Germany
| | - Lutz Ackermann
- Institut für Organische und Biomolekulare Chemie , Georg-August-Universität Göttingen , Tammannstraße 2 , 37077 Göttingen , Germany
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32
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Takahashi K, Morishita H, Ogiwara Y, Sakai N. Group 4 Metallocene Difluoride/Palladium Bimetallic Catalysts for the Reductive Cross-Coupling of Alkynes with Aryl Iodides and Bromides. J Org Chem 2018; 83:13734-13742. [PMID: 30359018 DOI: 10.1021/acs.joc.8b02055] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A novel protocol has been developed for the selective synthesis of ( E)-alkenes via the reductive cross-coupling of alkynes and aryl halides using a bimetallic catalyst system composed of a group 4 metallocene difluoride (Cp2[M]F2; [M] = Hf or Zr; Cp = cyclopentadienide) and palladium dichloride. This reaction proceeds via a coupling between an aryl halide and an in situ generated alkenyl metallocene intermediate derived from the group 4 metallocene difluoride, a hydrosilane, and an alkyne. For a catalytic reductive coupling, the addition of sodium fluoride (NaF) to the reaction system is required. Moreover, in the presence of NaF, a ligand exchange was observed by NMR spectroscopy in hafnocene diiodide (Cp2HfI2) to afford hafnocene difluoride (Cp2HfF2).
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Affiliation(s)
- Keita Takahashi
- Department of Pure and Applied Chemistry, Faculty of Science and Technology , Tokyo University of Science (RIKADAI) , Noda , Chiba 278-8510 , Japan
| | - Hiromitsu Morishita
- Department of Pure and Applied Chemistry, Faculty of Science and Technology , Tokyo University of Science (RIKADAI) , Noda , Chiba 278-8510 , Japan
| | - Yohei Ogiwara
- Department of Pure and Applied Chemistry, Faculty of Science and Technology , Tokyo University of Science (RIKADAI) , Noda , Chiba 278-8510 , Japan
| | - Norio Sakai
- Department of Pure and Applied Chemistry, Faculty of Science and Technology , Tokyo University of Science (RIKADAI) , Noda , Chiba 278-8510 , Japan
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33
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Okuda Y, Xu J, Ishida T, Wang CA, Nishihara Y. Nickel-Catalyzed Decarbonylative Alkylation of Aroyl Fluorides Assisted by Lewis-Acidic Organoboranes. ACS OMEGA 2018; 3:13129-13140. [PMID: 31458033 PMCID: PMC6644556 DOI: 10.1021/acsomega.8b02155] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2018] [Accepted: 09/26/2018] [Indexed: 06/09/2023]
Abstract
Herein, nickel-catalyzed decarbonylative C-F bond alkylation of aroyl fluorides with organoboron reagents is reported. Aroyl fluorides are more chemically stable than the corresponding aroyl chlorides and can be readily synthesized from the corresponding carboxylic acids. The fluoronickel intermediate formed via oxidative addition interacts with Lewis-acidic trialkylboranes, and the subsequent decarbonylative alkylation proceeds. This new synthetic methodology allows 1,2-bifunctionalization of aromatic carboxylic acids via palladium-catalyzed ortho-C-H arylation. In addition, an unprecedented 1,4-nickel migration on ortho-arylated aroyl fluorides was observed. As a demonstration of the synthetic utility of the present reaction, the sequential 1-alkyl-2-arylation of 3-hydroxy-2-naphthoic acid was accomplished via chemoselective alkylation at a fluorocarbonyl moiety and the subsequent C-O bond arylation at an acetoxy group.
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34
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Ming J, Shi Q, Hayashi T. Addition of arylstannanes to alkynes giving ortho-alkenylarylstannanes catalysed cooperatively by a rhodium complex and zinc chloride. Chem Sci 2018; 9:7700-7704. [PMID: 30393531 PMCID: PMC6182567 DOI: 10.1039/c8sc02459f] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2018] [Accepted: 08/10/2018] [Indexed: 12/02/2022] Open
Abstract
The reaction of arylstannanes ArSnR3 with unfunctionalised alkynes was found to proceed in the presence of a rhodium catalyst and a catalytic amount of zinc chloride to give ortho-alkenylarylstannanes with high selectivity in high yields. The catalytic cycle is very unique, consisting of three transmetalation steps, from Sn to Rh, Rh to Zn, and Zn to Sn, in addition to arylrhodation of alkyne followed by 1,4-migration of Rh from 2-arylalkenyl carbon to ortho-alkenylaryl carbon.
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Affiliation(s)
- Jialin Ming
- Division of Chemistry and Biological Chemistry , School of Physical and Mathematical Sciences , Nanyang Technological University , 21 Nanyang Link , Singapore 637371 , Singapore .
| | - Qi Shi
- Division of Chemistry and Biological Chemistry , School of Physical and Mathematical Sciences , Nanyang Technological University , 21 Nanyang Link , Singapore 637371 , Singapore .
| | - Tamio Hayashi
- Division of Chemistry and Biological Chemistry , School of Physical and Mathematical Sciences , Nanyang Technological University , 21 Nanyang Link , Singapore 637371 , Singapore .
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35
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Ming J, Hayashi T. Rhodium-Catalyzed Arylzincation of Alkynes: Ligand Control of 1,4-Migration Selectivity. Org Lett 2018; 20:6188-6192. [DOI: 10.1021/acs.orglett.8b02668] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Jialin Ming
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 637371, Singapore
| | - Tamio Hayashi
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 637371, Singapore
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36
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Yang J, Shen Y, Lim YJ, Yoshikai N. Divergent ring-opening coupling between cyclopropanols and alkynes under cobalt catalysis. Chem Sci 2018; 9:6928-6934. [PMID: 30210767 PMCID: PMC6124909 DOI: 10.1039/c8sc02074d] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2018] [Accepted: 07/13/2018] [Indexed: 12/04/2022] Open
Abstract
Cobalt-diphosphine catalysts promote ring-opening coupling reactions between cyclopropanols and unactivated internal alkynes, affording either β-alkenyl ketones or multisubstituted cyclopentenol derivatives in good yields with good to excellent regioselectivities. The chemoselectivity between these β-alkenylation and [3 + 2] annulation reactions, which likely share a cobalt homoenolate as a key catalytic intermediate, is exquisitely controlled by the reaction conditions, with the solvent being a major controlling factor. The reactions are proposed to involve ring opening of cobalt cyclopropoxide into homoenolate, migratory insertion of the alkyne into the Co-C bond, and protodemetalation or intramolecular carbonyl addition of the resulting alkenylcobalt species. The feasibility of these reaction steps was supported by DFT calculations.
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Affiliation(s)
- Junfeng Yang
- Division of Chemistry and Biological Chemistry , School of Physical and Mathematical Sciences , Nanyang Technological University , Singapore 637371 , Singapore .
| | - Yixiao Shen
- Division of Chemistry and Biological Chemistry , School of Physical and Mathematical Sciences , Nanyang Technological University , Singapore 637371 , Singapore .
| | - Yang Jie Lim
- 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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37
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Wu K, Sun N, Hu B, Shen Z, Jin L, Hu X. Geometry-Constrained Iminopyridyl Palladium-Catalyzed Hydroarylation of Alkynes to Prepare Tri-substituted Alkenes Using Alcohol as Reductant. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201800423] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Ke Wu
- College of Chemical Engineering; Zhejiang University of Technology; Hangzhou 310032 People's Republic of China
| | - Nan Sun
- College of Chemical Engineering; Zhejiang University of Technology; Hangzhou 310032 People's Republic of China
| | - Baoxiang Hu
- College of Chemical Engineering; Zhejiang University of Technology; Hangzhou 310032 People's Republic of China
| | - Zhenlu Shen
- College of Chemical Engineering; Zhejiang University of Technology; Hangzhou 310032 People's Republic of China
| | - Liqun Jin
- College of Chemical Engineering; Zhejiang University of Technology; Hangzhou 310032 People's Republic of China
- State Key Laboratory for Oxo Synthesis and Selective Oxidation; Lanzhou Institute of Chemical Physics; The Chinese Academy of Sciences; Lanzhou 730000 People's Republic of China
| | - Xinquan Hu
- College of Chemical Engineering; Zhejiang University of Technology; Hangzhou 310032 People's Republic of China
- State Key Laboratory for Oxo Synthesis and Selective Oxidation; Lanzhou Institute of Chemical Physics; The Chinese Academy of Sciences; Lanzhou 730000 People's Republic of China
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38
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Mo J, Müller T, Oliveira JCA, Ackermann L. 1,4-Iron Migration for Expedient Allene Annulations through Iron-Catalyzed C−H/N−H/C−O/C−H Functionalizations. Angew Chem Int Ed Engl 2018; 57:7719-7723. [DOI: 10.1002/anie.201801324] [Citation(s) in RCA: 56] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2018] [Revised: 03/29/2018] [Indexed: 01/08/2023]
Affiliation(s)
- Jiayu Mo
- Institut für Organische und Biomolekulare Chemie; Georg-August-Universität Göttingen; Tammannstraße 2 37077 Göttingen Germany
| | - Thomas Müller
- Institut für Organische und Biomolekulare Chemie; Georg-August-Universität Göttingen; Tammannstraße 2 37077 Göttingen Germany
| | - João C. A. Oliveira
- Institut für Organische und Biomolekulare Chemie; Georg-August-Universität Göttingen; Tammannstraße 2 37077 Göttingen Germany
| | - Lutz Ackermann
- Institut für Organische und Biomolekulare Chemie; Georg-August-Universität Göttingen; Tammannstraße 2 37077 Göttingen Germany
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39
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Mo J, Müller T, Oliveira JCA, Ackermann L. 1,4-Iron Migration for Expedient Allene Annulations through Iron-Catalyzed C−H/N−H/C−O/C−H Functionalizations. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201801324] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Jiayu Mo
- Institut für Organische und Biomolekulare Chemie; Georg-August-Universität Göttingen; Tammannstraße 2 37077 Göttingen Germany
| | - Thomas Müller
- Institut für Organische und Biomolekulare Chemie; Georg-August-Universität Göttingen; Tammannstraße 2 37077 Göttingen Germany
| | - João C. A. Oliveira
- Institut für Organische und Biomolekulare Chemie; Georg-August-Universität Göttingen; Tammannstraße 2 37077 Göttingen Germany
| | - Lutz Ackermann
- Institut für Organische und Biomolekulare Chemie; Georg-August-Universität Göttingen; Tammannstraße 2 37077 Göttingen Germany
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40
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Dooley JD, Lam HW. One-Carbon Oxidative Annulations of 1,3-Enynes by Catalytic C−H Functionalization and 1,4-Rhodium(III) Migration. Chemistry 2018; 24:4050-4054. [DOI: 10.1002/chem.201706043] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2017] [Indexed: 01/07/2023]
Affiliation(s)
- Johnathon D. Dooley
- EaStCHEM, School of Chemistry; University of Edinburgh, Joseph Black Building, The King's Buildings; David Brewster Road Edinburgh EH9 3FJ UK
| | - Hon Wai Lam
- The GSK Carbon Neutral Laboratories for Sustainable Chemistry, University of Nottingham, Jubilee Campus, Triumph Road Nottingham, NG7 2TU (UK) and School of Chemistry; University of Nottingham; University Park Nottingham NG7 2RD UK
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41
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Yan J, Yoshikai N. Phenanthrene Synthesis via Chromium-Catalyzed Annulation of 2-Biaryl Grignard Reagents and Alkynes. Org Lett 2017; 19:6630-6633. [DOI: 10.1021/acs.orglett.7b03342] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Jianming Yan
- 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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42
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Wu B, Melvina, Wu X, Lee Yeow EK, Yoshikai N. Versatile telluracycle synthesis via the sequential electrophilic telluration of C(sp 2)-Zn and C(sp 2)-H bonds. Chem Sci 2017; 8:4527-4532. [PMID: 28970880 PMCID: PMC5618338 DOI: 10.1039/c7sc01162h] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2017] [Accepted: 04/06/2017] [Indexed: 12/01/2022] Open
Abstract
We report herein a new approach for the synthesis of tellurium-bridged aromatic compounds based on the sequential electrophilic telluration of C(sp2)-Zn and C(sp2)-H bonds with tellurium(iv) chlorides. A combination of transition metal-catalyzed (migratory) arylmetalation of alkynes and sequential telluration allows for the expedient construction of a library of functionalized benzo[b]tellurophenes. Furthermore, a variety of heteroarene-fused benzotellurophenes and other novel tellurium-embedded polycyclic aromatics can be readily synthesized from the corresponding 2-iodoheterobiaryls.
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Affiliation(s)
- Bin Wu
- Division of Chemistry and Biological Chemistry , School of Physical and Mathematical Sciences , Nanyang Technological University , Singapore 637371 , Singapore .
| | - Melvina
- Division of Chemistry and Biological Chemistry , School of Physical and Mathematical Sciences , Nanyang Technological University , Singapore 637371 , Singapore .
| | - Xiangyang Wu
- Division of Chemistry and Biological Chemistry , School of Physical and Mathematical Sciences , Nanyang Technological University , Singapore 637371 , Singapore .
| | - Edwin Kok Lee Yeow
- 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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43
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Yoshikai N, Santra M, Wu B. Synthesis of Donor–Acceptor-Type Benzo[b]phosphole and Naphtho[2,3-b]phosphole Oxides and Their Solvatochromic Properties. Organometallics 2017. [DOI: 10.1021/acs.organomet.7b00244] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Naohiko Yoshikai
- Division of Chemistry and
Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore
| | - Mithun Santra
- Division of Chemistry and
Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore
| | - Bin Wu
- Division of Chemistry and
Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore
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44
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Gu ZY, Liu CG, Wang SY, Ji SJ. Cobalt-Catalyzed Annulation of Amides with Isocyanides via C(sp2)–H Activation. J Org Chem 2017; 82:2223-2230. [DOI: 10.1021/acs.joc.6b02797] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Zheng-Yang Gu
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science & Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou 215123, P. R. China
| | - Cheng-Guo Liu
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science & Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou 215123, P. R. China
| | - Shun-Yi Wang
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science & Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou 215123, P. R. China
| | - Shun-Jun Ji
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science & Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou 215123, P. R. China
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45
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Zhou X, Qi Z, Yu S, Kong L, Li Y, Tian WF, Li X. Synthesis of 2-Substituted Quinolines via
Rhodium(III)-Catalyzed C-H Activation of Imidamides and Coupling with Cyclopropanols. Adv Synth Catal 2017. [DOI: 10.1002/adsc.201601278] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Xukai Zhou
- Dalian Institute of Chemical Physics; Chinese Academy of Sciences; Dalian 116023 People's Republic of China
- University of Chinese Academy of Sciences; Beijing 100049 People's Republic of China
| | - Zisong Qi
- Dalian Institute of Chemical Physics; Chinese Academy of Sciences; Dalian 116023 People's Republic of China
| | - Songjie Yu
- Dalian Institute of Chemical Physics; Chinese Academy of Sciences; Dalian 116023 People's Republic of China
| | - Lingheng Kong
- Dalian Institute of Chemical Physics; Chinese Academy of Sciences; Dalian 116023 People's Republic of China
- University of Chinese Academy of Sciences; Beijing 100049 People's Republic of China
| | - Yang Li
- Center for Organic Chemistry, Frontier Institute of Science and Technology; Xi'an Jiaotong University; Xi'an 710054 People's Republic of China
| | - Wan-Fa Tian
- Center for Organic Chemistry, Frontier Institute of Science and Technology; Xi'an Jiaotong University; Xi'an 710054 People's Republic of China
| | - Xingwei Li
- Dalian Institute of Chemical Physics; Chinese Academy of Sciences; Dalian 116023 People's Republic of China
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46
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Yang J, Rérat A, Lim YJ, Gosmini C, Yoshikai N. Cobalt-Catalyzed Enantio- and Diastereoselective Intramolecular Hydroacylation of Trisubstituted Alkenes. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201611518] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Junfeng Yang
- Division of Chemistry and Biological Chemistry; School of Physical and Mathematical Sciences; Nanyang Technological University; Singapore 637371 Singapore
| | - Alice Rérat
- Division of Chemistry and Biological Chemistry; School of Physical and Mathematical Sciences; Nanyang Technological University; Singapore 637371 Singapore
- Laboratoire de Chimie Moléculaire; CNRS; Ecole Polytechnique; Université Paris Saclay; 91128 Palaiseau France
| | - Yang Jie Lim
- Division of Chemistry and Biological Chemistry; School of Physical and Mathematical Sciences; Nanyang Technological University; Singapore 637371 Singapore
| | - Corinne Gosmini
- Laboratoire de Chimie Moléculaire; CNRS; Ecole Polytechnique; Université Paris Saclay; 91128 Palaiseau France
| | - Naohiko Yoshikai
- Division of Chemistry and Biological Chemistry; School of Physical and Mathematical Sciences; Nanyang Technological University; Singapore 637371 Singapore
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47
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Yang J, Rérat A, Lim YJ, Gosmini C, Yoshikai N. Cobalt-Catalyzed Enantio- and Diastereoselective Intramolecular Hydroacylation of Trisubstituted Alkenes. Angew Chem Int Ed Engl 2017; 56:2449-2453. [DOI: 10.1002/anie.201611518] [Citation(s) in RCA: 77] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2016] [Revised: 12/22/2016] [Indexed: 11/07/2022]
Affiliation(s)
- Junfeng Yang
- Division of Chemistry and Biological Chemistry; School of Physical and Mathematical Sciences; Nanyang Technological University; Singapore 637371 Singapore
| | - Alice Rérat
- Division of Chemistry and Biological Chemistry; School of Physical and Mathematical Sciences; Nanyang Technological University; Singapore 637371 Singapore
- Laboratoire de Chimie Moléculaire; CNRS; Ecole Polytechnique; Université Paris Saclay; 91128 Palaiseau France
| | - Yang Jie Lim
- Division of Chemistry and Biological Chemistry; School of Physical and Mathematical Sciences; Nanyang Technological University; Singapore 637371 Singapore
| | - Corinne Gosmini
- Laboratoire de Chimie Moléculaire; CNRS; Ecole Polytechnique; Université Paris Saclay; 91128 Palaiseau France
| | - 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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Sallio R, Corpet M, Habert L, Durandetti M, Gosmini C, Gillaizeau I. Cobalt-Catalyzed Carbozincation of Ynamides. J Org Chem 2017; 82:1254-1259. [DOI: 10.1021/acs.joc.6b02612] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Romain Sallio
- Institute
of Organic and Analytical Chemistry, ICOA UMR 7311 CNRS, Université d’Orléans, rue de Chartres, 45100 Orléans, France
| | - Martin Corpet
- LCM,
CNRS, Ecole polytechnique, Université Paris Saclay, 91128 Palaiseau Cedex, France
| | - Loic Habert
- Institute
of Organic and Analytical Chemistry, ICOA UMR 7311 CNRS, Université d’Orléans, rue de Chartres, 45100 Orléans, France
| | - Muriel Durandetti
- Normandie Univ, UNIROUEN, INSA Rouen, CNRS, COBRA
(UMR 6014), 76000 Rouen, France
| | - Corinne Gosmini
- LCM,
CNRS, Ecole polytechnique, Université Paris Saclay, 91128 Palaiseau Cedex, France
| | - Isabelle Gillaizeau
- Institute
of Organic and Analytical Chemistry, ICOA UMR 7311 CNRS, Université d’Orléans, rue de Chartres, 45100 Orléans, France
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49
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Yan J, Yoshikai N. Chromium-catalyzed migratory arylmagnesiation of unactivated alkynes. Org Chem Front 2017. [DOI: 10.1039/c7qo00427c] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
The first example of 1,4-chromium migration was observed in the addition of an aryl Grignard reagent to an unactivated alkyne.
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Affiliation(s)
- Jianming Yan
- Division of Chemistry and Biological Chemistry
- School of Physical and Mathematical Sciences
- Nanyang Technological University
- Singapore
| | - Naohiko Yoshikai
- Division of Chemistry and Biological Chemistry
- School of Physical and Mathematical Sciences
- Nanyang Technological University
- Singapore
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50
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Hofmayer MS, Hammann JM, Haas D, Knochel P. Cobalt-Catalyzed C(sp 2)-C(sp 3) Cross-Coupling Reactions of Diarylmanganese Reagents with Secondary Alkyl Iodides. Org Lett 2016; 18:6456-6459. [PMID: 27978689 DOI: 10.1021/acs.orglett.6b03349] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A cobalt-catalyzed cross-coupling of diarylmanganese reagents with secondary alkyl iodides using the THF-soluble salt CoCl2·2LiCl, which leads to the cross-coupling products in up to 92% yield, is reported. High diastereoselectivities can be reached in these cross-couplings (dr up to 99:1). Remarkably, rearrangement of secondary alkyl iodides to unbranched products was not observed in these C-C forming reactions.
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Affiliation(s)
- Maximilian S Hofmayer
- Department of Chemistry, Ludwig-Maximilians-Universität , Butenandtstrasse 5-13, 81377 München, Germany
| | - Jeffrey M Hammann
- Department of Chemistry, Ludwig-Maximilians-Universität , Butenandtstrasse 5-13, 81377 München, Germany
| | - Diana Haas
- Department of Chemistry, Ludwig-Maximilians-Universität , Butenandtstrasse 5-13, 81377 München, Germany
| | - Paul Knochel
- Department of Chemistry, Ludwig-Maximilians-Universität , Butenandtstrasse 5-13, 81377 München, Germany
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